Transcript
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VarioCAM® HD
User Manual
State: March 2016
InfraTec GmbH Infrarotsensorik und Messtechnik Gostritzer Straße 61 – 63 01217 Dresden/GERMANY
Phone Fax Email
+49 351 871-8615 +49 351 871-8727
[email protected] www.InfraTec.de
© InfraTec 2016 (All mentioned product names and trademarks remain the property of their respective owners.)
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Thermography System VarioCAM® HD Table of Contents
Table of Contents Table of Contents .........................................................................................................................I Introduction ...................................................................................................................4
2
Equipment safety-related instructions ........................................................................6
3
Technical description ...................................................................................................8
3.1 3.2 3.3
Functional principle ........................................................................................................................ 8 Description of the functional units .................................................................................................. 8 Technical data .............................................................................................................................. 12
4
Unpacking and control ...............................................................................................13
5
Denomination of the camera components ................................................................14
6
Quick guide ..................................................................................................................15
6.1 6.2 6.3 6.4 6.5 6.6 6.6.1 6.6.2 6.7 6.8 6.9 6.10
Preparation ................................................................................................................................... 15 Start .............................................................................................................................................. 16 Display.......................................................................................................................................... 16 Setting the focus .......................................................................................................................... 17 Setting the temperature range ..................................................................................................... 17 Saving images .............................................................................................................................. 18 Saving with "check" ...................................................................................................................... 18 Quick saving ................................................................................................................................. 19 Menu functions ............................................................................................................................. 19 Shutdown and Standby ................................................................................................................ 19 Data transmission to the computer .............................................................................................. 20 Analysis using the analysis software IRBIS® 3 ............................................................................ 20
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Start-up .........................................................................................................................21
7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 7.9.1 7.9.2
Adaptation of the shoulder belt .................................................................................................... 21 Adaptation of the hand strap ........................................................................................................ 21 Using a tripod*.............................................................................................................................. 21 Connecting a power supply .......................................................................................................... 21 Inserting a memory card .............................................................................................................. 22 Replacing the lens........................................................................................................................ 22 Operation using the gigabit Ethernet (GigE) interface*................................................................ 22 Operation using breakout box (connection via RS232)* .............................................................. 23 Trigger functionality VarioCAM® HD* ........................................................................................... 24 Trigger function ............................................................................................................................ 24 SyncOut........................................................................................................................................ 25
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Operation .....................................................................................................................26
8.1 8.2 8.2.1 8.2.2 8.2.3
Controls ........................................................................................................................................ 26 User interface ............................................................................................................................... 28 Elements of the user interface ..................................................................................................... 28 Setting the temperature scale ...................................................................................................... 29 Focus............................................................................................................................................ 30
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User Manual
© InfraTec GmbH 2016
I
Thermography System l VarioCAM® HD Table of Contents
Manual and automatic focus (without laser range finder) ........................................................... 30 Automatic focus with laser range finder* ..................................................................................... 30 Permanent automatic focus with laser range finder* .................................................................. 31 Focus setting of digital images (VIS focus) ................................................................................. 31 Spot editor ....................................................................................................................................32 Saving ..........................................................................................................................................32 Saving with check........................................................................................................................ 33 Quick saving ................................................................................................................................ 33 Vorschaubild................................................................................................................................ 33
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The main menu ............................................................................................................ 35
9.1 9.1.1 9.1.2 9.1.3 9.1.4 9.1.5 9.1.6 9.1.7 9.2 9.2.1 9.2.1.1 9.2.1.2 9.2.2 9.2.2.1 9.2.2.2 9.2.2.3 9.2.3 9.2.3.1 9.2.3.2 9.2.3.3 9.2.4 9.2.5 9.2.6 9.2.7 9.3 9.3.1 9.3.2 9.3.2.1 9.3.2.2 9.3.2.3 9.3.2.4 9.3.2.5 9.3.2.6 9.3.3 9.3.4 9.3.5 9.3.6
Menu "Image" ...............................................................................................................................36 Menu item "Manual" .....................................................................................................................36 Menu item "Mode" ........................................................................................................................37 Menu item "Zoom" ........................................................................................................................40 Menu item "Palette" ......................................................................................................................41 Menu item "Elements" ..................................................................................................................43 Menu item "Isotherms" .................................................................................................................43 Menu item "Filter" .........................................................................................................................45 Menu "File" ...................................................................................................................................46 Directory structure of the VarioCAM® HD ....................................................................................46 Automatic directory structure (default setting) ............................................................................ 46 Individual directory names .......................................................................................................... 47 Menu item "Load" .........................................................................................................................47 Loading individual files from file list or gallery ............................................................................. 47 Loading and Playing Sequence Files .......................................................................................... 50 Loading and Playing Video Files ................................................................................................. 51 Menu item "Save" .........................................................................................................................51 Real-time saving.......................................................................................................................... 51 Video saving ................................................................................................................................ 52 Automatic save (Autosave) ......................................................................................................... 53 Menu item "Directories" ................................................................................................................54 Menu item "Comment" .................................................................................................................54 Menu item "Format SD"................................................................................................................55 Menu item "Saving format" ...........................................................................................................55 Menu "Measure" ...........................................................................................................................56 Menu items "Maximum" and "Minimum" ......................................................................................56 Menu item "Measurement definitions"..........................................................................................56 Measuring point P ....................................................................................................................... 58 Line L* ......................................................................................................................................... 58 Rectangle R................................................................................................................................. 59 Ellipse E* ..................................................................................................................................... 59 Polygon PG* ................................................................................................................................ 60 Polyline PL* ................................................................................................................................. 60 Analogue output * .........................................................................................................................61 Menu item "Correction" ................................................................................................................63 Menu item "Difference"* ...............................................................................................................64 Menu item "GPS" .........................................................................................................................65
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8.2.3.1 8.2.3.2 8.2.3.3 8.2.3.4 8.2.4 8.2.5 8.2.5.1 8.2.5.2 8.2.5.3
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© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD Table of Contents
Menu item "WLAN"* ..................................................................................................................... 65 Menu item "Laser" ........................................................................................................................ 66 Menu item "LRF - AF"* (Laser range finder supported autofocus)................................................ 67 Menu item "LRF - PAF"* (Permanent LRF supported autofocus)................................................ 67 Menu item "Light" ......................................................................................................................... 67 Menu item "Settings" .................................................................................................................... 68 Menu item "Calibration"................................................................................................................ 68 Menu item "Subframes"* .............................................................................................................. 69 Menu item "Extras"* ..................................................................................................................... 69 Menu item "Compensation".......................................................................................................... 71 Menu item "Buttons"..................................................................................................................... 72 Menu item "Alarm" ....................................................................................................................... 73 Menu item "Configuration" ........................................................................................................... 74 Menu item "System" ..................................................................................................................... 75 "Display" Setting .......................................................................................................................... 76 "Regional" Setting ....................................................................................................................... 76 "Date/Time" Setting ..................................................................................................................... 77 "Menu layout" Setting .................................................................................................................. 77 "Menu control" ............................................................................................................................. 78 Network* ...................................................................................................................................... 78 Info .............................................................................................................................................. 79
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Software installation ...................................................................................................83
10.1 10.2 10.2.1 10.2.2 10.2.3
Installation instructions ................................................................................................................. 83 Installation of WinPcap................................................................................................................. 83 Setting the network adapter ......................................................................................................... 86 Setting the IP address .................................................................................................................. 86 Configuration of the network card ................................................................................................ 88
11
Establishing a connection to the IRBIS® 3* software ...............................................89
12
Maintenance of the device ..........................................................................................90
12.1 12.2
Cleaning ....................................................................................................................................... 90 Calibration .................................................................................................................................... 90
13
Protection of the environment ...................................................................................91
14
Service ..........................................................................................................................92
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9.3.7 9.3.8 9.3.9 9.3.10 9.3.11 9.4 9.4.1 9.4.2 9.4.3 9.4.4 9.4.5 9.4.6 9.4.7 9.4.8 9.4.8.1 9.4.8.2 9.4.8.3 9.4.8.4 9.4.8.5 9.4.8.6 9.4.8.7
User Manual
© InfraTec GmbH 2016
III
Thermography System VarioCAM® HD 1. Introduction
1
Introduction
Dear user, we would like to congratulate you on purchasing your new VarioCAM® HD thermography system. Please carefully read this user manual before initial start-up. This is the only way to ensure that you are able to fully take advantage of the performance capability of your thermography system. Please particularly observe the notes on device safety in accordance with chapter 2 in order to avoid damages to the thermography system.
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All information provided within the framework of this user manual describe a completely equipped VarioCAM® HD thermography system of the “research” series. Depending on the selected model and the individual customisation, technical data, scope of functions and supplied accessories of your thermography system may deviate from the version described herein. Equipment-dependent features are identified accordingly by means of an * within this user manual. As a matter of principle, the descriptions of the technical data and the specific scopes of functions and delivery in the corresponding shipping documents are decisive (order confirmation/bill of delivery). This product is subject to further developments within the meaning of technical progress.
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Jenoptik ESW GmbH 07745 Jena / GERMANY
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InfraTec GmbH 01217 Dresden / GERMANY Phone: +49 351 871-8615 Fax: +49 351 871-8727 Email:
[email protected]
Note: Without the written consent of Jenoptik and InfraTec GmbH, no part of this user manual must be reproduced or edited, copied or distributed using electronic systems in any form (print, copy, microfilm or any other procedure). This user manual was developed applying due diligence. No liability shall be assumed for any damages caused by the non-observance of the information contained in this user manual. All mentioned product names and trademarks shall remain the property of their respective owners.
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© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD 1. Introduction
The VarioCAM® HD is a state-of-the-art thermography system designed for precise, quick and noncontact measurement of the surface temperature of objects. The VarioCAM® HD was designed for universal application and can be used both as a mobile and as a stationary device for measuring and storing temperature values. The compact and resilient design and a high degree of protection allow for industrial application even in unfavourable external conditions. The low weight of the device as well as the long operating time of the rechargeable battery allow for efficient use in this. High measurement accuracy, precision optics with extraordinary image quality as well as the universal interface concept for digital real-time thermography data collection using GigE-Vision* allow for using the VarioCAM® HD in the most different fields of application.
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The VarioCAM® HD is equipped with a digital color video camera in order to document the measuring situation on photos. Infrared (IR) and visual (VIS) image, as well as frame rates can be saved to SD and SDHC (Secure Digital High Capacity) cards. For the purposes of visualisation, the thermography system is equipped with a swivel-mounted color TFT viewfinder* and a pivot- and swivel-mounted active colour TFT display. Diverse accessories and different software packages for preprocessing and further processing the recordings turn VarioCAM® HD to a universal thermography system for a broad range of applications. Typical fields of application of the thermography system are amongst other things:
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Thermographic inspection of electrical and mechanical systems and aggregates Optimisation of components and assemblies Material inspections Control of process temperatures Quality assurance Construction thermography
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Thermography System VarioCAM® HD 2. Introduction
2
Equipment safety-related instructions
General The VarioCAM® HD is a high-quality, carefully calibrated optical measurement device. Please handle it with the corresponding care. Avoid contaminations, particularly in the lens areas. The device is equipped with degree of protection IP54. Please observe the conditions for use, storage and transportation of the device mentioned within the framework of the technical data (see chapter 3 Technical description – page 8).
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Only use the supplied transport box in order to transport the VarioCAM® HD.
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Only the manufacturer is allowed to open the camera housing. Any intervention performed by other persons is inadmissible and will result in the forfeiture of any warranty claims. Only use accessories or spare parts expressly recommended by the manufacturer regarding the VarioCAM® HD. Otherwise, malfunctions or damages may occur. Any warranty claims are excluded for such damages.
Standards, directives
EN 60950-1:2006 + A11:2009 + A1: 2010
Einrichtungen der Informationstechnik – Sicherheit – Teil 1: Allgemeine Anforderungen (IEC 60950-1:2005, modifiziert + Cor.: 2006 + A1: 2009 modifiziert) / Information technology equipment – Safety – Part 1: General requirements (IEC 60950-1:2005, modified + cor.: 2006 + A1:2009, modified)
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VarioCAM® HD meets the requirements of the following standards:
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EN 61326-1:2006
Elektrische Mess-, Steuer-, Regel- und Laborgeräte - EMV-Anforderungen Teil 1: Allgemeine Anforderungen (IEC 61326-1 :2005) / Electrical equipment for measurement, control and laboratory use – EMC requirements – Part 1: General requirements (IEC 61326-1 :2005)
© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD 2. Introduction
Handling The VarioCAM® HD is equipped with a highly sensitive uncooled microbolometer detector. The object radiations occurring in thermographic practice do not induce any changes to the detector. However, overloads exceeding a black body radiation of 1,000°C in the measuring ranges 1 and 2*, as well as 2,000°C in measuring range 3* may result in irrevocable damages and thus, must be avoided.
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The VarioCAM® HD must not be pointed directly into the sun or other high-radiation sources (e.g. lasers) neither during operation nor when switched off, because this may result in irrevocable changes to the microbolometer detector, the origins of which can be unambiguously demonstrated. The manufacturer does not assume any warranty for damages caused this way.
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For measurements in conjunction with CO2 lasers, the laser protection filters offered by InfraTec as accessories should be use. Even when using other laser, the use of appropriate protective filter is recommended to prevent damage from VarioCAM® HD. Please note that even a small - even diffuse reflection of laser radiation can cause damage to the detector. The manufacturer takes no responsibility for damages caused in this way.
It is also absolutely necessary to prevent the sun or other high-energy radiation sources from indirectly coming into the field of view of the VarioCAM® HD using reflecting surfaces!
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When the VarioCAM® HD is not used, the supplied protective lens cap must be attached at all times.
Only use SD and/or SDHC memory cards in the SD drive of the VarioCAM® HD. Otherwise, damages to the thermography camera or the memory card may occur, which no liability will be assumed for.
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As a matter of principle, use the supplied battery charger in order to charge the supplied rechargeable lithium-ion batteries. The battery charger is only suitable for indoor operation. In order to avoid the risk of fire and/or electrical shocks, the battery charger must not be exposed to rain or moisture.
The lens should not be replaced in rooms with high amounts of dust or moisture, because the degree of protection IP54 is not provided for when the lens is removed.
On the front of the device, the VarioCAM® HD is equipped with a laser range finder* (LRF) and/or laser pointer* generating a visible laser beam. Avoid looking directly into the laser beam and do not point the laser beam to other persons. This may damage their eyes. When installing the thermography system to machines and systems in a stationary manner, it must be ensured that the laser beam is not located at eye level.
The VarioCAM® HD is equipped with an LED light in order to illuminate the color camera’s image. Avoid any direct eye contact and do not point the LED light to other persons. This may damage their eyes.
User Manual
© InfraTec GmbH 2016
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Thermography System VarioCAM® HD 3. Introduction
3
Technical description
3.1
Functional principle
The VarioCAM® HD is a thermography system designed for the long-wave infrared spectral range (LWIR) of (7.5 ... 14) µm. The lens reproduces the object scene to a microbolometer array with (1,024 x 768) and/or (640 x 480) pixels. The electrical signal of the detector array is processed further by the internal electronics. In this, the electronics comprises all functions required for camera operation, such as actuation of the microbolometer array, A/D conversion, offset and gain correction, pixel correction as well as actuation of the different interfaces.
3.2
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Operation is optionally performed directly using the integrated keyboard (joystick, focus rocker switch, function buttons) or using optional interfaces. RS232*, Ethernet* (GigE Vision)*, WLAN (IEEE802.11 a/b/g)*, Bluetooth 2.1/3.0 (IEEE802.15.1 class2)* or USB2.0* are available as interfaces. Specific software packages are required in order to use these interfaces present depending on the equipment.
Description of the functional units
Lens
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The camera lens collects the IR radiation in the field of view emitted by the measuring object and reproduces this IR radiation on the detector array. Field of view (FOV, Field of View) and resolution/measuring spot size (IFOV, Instantaneous Field of View) are determined at the same distance to the focal distance f of the used lens. The following standard lenses are available:
Thermography system with resolution of (1,024 x 768) IR pixels Focal distance (mm) Min. focus (m) 7.5 0.2 15 0.2 30 0.3 60 2.0 120 4.0
Macro Close-up 0.2x
Focal distance (mm) for 30
Close-up 0.5x
for 30
Close-up 0.5x
for 60
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Lens Super wide-angle lens Wide-angle lens Normal lens Telephoto lens Super telephoto lens
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IFOV (mrad) 2.3 1.1 0.57 0.28 0.14
FOV (°) (98.5 x 82.1) (60.3 x 47.0) (32.4 x 24.6) (16.5 x 12.4) (8.3 x 6.2)
Focus (mm) Field of view (mm²) Resolution (μm) max. 137 (85 x 63) 81 min. 70 (54 x 40) 51 max. 47 (34 x 25) 32 min. 33 (30 x 22) 29 max. 100 (35 x 27) 35 min. 78 (29 x 22) 28
© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD 3. Introduction
Thermography system with resolution of (640 x 480) IR pixels
Macro Close-up 0.2x
Focal distance (mm) for 30
Close-up 0.5x
for 30
Close-up 0.5x
for 60
Detector
Min. focus (m) 0.2 0.2 0.3 2.0 4.0
IFOV (mrad) 3.3 1.7 0.83 0.42 0.21
FOV (°) (93.7 x 77.3) (56.1 x 43.6) (29.9 x 22.6) (15.2 x 11.4) (7.6 x 5.7)
Focus (mm) Field of view (mm²) Resolution (μm) max. 137 (78 x 58) 119 min. 70 (49 x 37) 75 max. 47 (31 x 23) 47 min. 33 (27 x 21) 42 max. 100 (32 x 24) 50 min. 78 (26 x 20) 42
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Focal distance (mm) 7.5 15 30 60 120
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Lens Super wide-angle lens Wide-angle lens Normal lens Telephoto lens Super telephoto lens
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The VarioCAM® HD is equipped with an uncooled microbolometer FPA detector (uncooled Focal Plane Array) with a resolution of (1.024 x 768) or (640 x 480) IR pixels. The individual elements of the detector are microscopically small thin-film resistors on extremely thin diaphragms arranged a few micrometers above the silicon read-out circuit in an unsupported manner. The lens of the thermography system reproduces the thermal radiation from the scene onto these detector elements and these detector elements absorb this radiation. The temperature change of the detector elements resulting thereof results in signals that can be analysed electronically, read-out line-by-line and column-by-column using a readout circuit. The use of an uncooled detector ensures the quick availability of the camera function upon start-up (starting time < 30 seconds) and a long mean time to failure (MTTF) in continuous operation.
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Detector electronics
The detector electronics supplies the BIAS voltages and further actuation signals required for detector operation and ensures that the analogue output signal of the detector is pre-processed and digitalised.
Image processing electronics
With the help of an FPGA (Field Programmable Gate Array) and up to two* processors, real-time image processing with the following essential functions (depending on the equipment) is implemented: ■ ■ ■ ■ ■ ■ ■ ■ ■ ■
Detector electronics interface Gain and offset correction Defect pixel treatment Low-pass filtration Zoom generator Graphics overlay VIS/IR/graphics mixer GigE-Vision interface* PC interfaces* (USB2.0/WLAN/Bluetooth) Video image interfaces (DVI-D. FBAS)
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Thermography System VarioCAM® HD 3. Introduction
Optomechanics With the help of an optomechanic assembly, the following functions are implemented: ■ ■ ■
Focus (motor focus) Measuring range switch-over (apertures)* Internal NUC (Non-Uniformity Correction) with shutter
Furthermore, this assembly optionally comprises a module for hardware-based increase of the geometric resolution of the thermography system to (2.048 x 1.536) IR pixels (detector with [1.024 x 768] pixels) and (1.280 x 960) IR pixels (detector with [640 x 480] pixels) in “Resolution Enhancement”* mode.
Controls
buttons
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The VarioCAM® HD is controlled by means of a focus rocker switch with center function for autofocus. the function buttons Automatic. Temperature, Start/Stop/Save, and the multi-function at the right top. On the backside of the camera, a power button
for right-thumb
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operation, a joystick with center function (Enter), and the button (Cancel) can be found. The controls of the VarioCAM® HD are arranged for single-hand operation with the right hand. Another multifunction button can be found at the top of the handle*. When carrying the camera on its handle, it can be operated using the thumb of your right hand.
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Specific modes of camera operation and presettings can be configured using menus. Chapter 8 Operation – page 26 contains a detailed description of how to operate the thermography system as well as a detailed description of the menu structure. The VarioCAM® HD can be controlled remotely via the RS232, GigE-Vision, Bluetooth or WLAN interfaces*. The related control software is described in separate manuals of the corresponding software*.
Power supply
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Optionally, ■ ■
an external 15 V wall plug transformer (accessories)* or a rechargeable lithium-ion battery 7.2 V (accessories)
can be used to supply the VarioCAM® HD with power.
The wall plug transformer is connected to the 14-pin (right-hand side) LEMO socket on the backside of the housing. The rechargeable battery is inserted vertically into the designated position on the backside of the thermography system (see chapter 6.2 Start – page 16).
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© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD 3. Introduction
Interfaces The thermography system is equipped with the following interfaces: ■ ■ ■
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Drive for SD/SDHC card (behind the cover on the left side of the camera. unfold the display) RS232* (LEMO 14-pin) DVI-D (HDMI socket) behind the cover on the backside of the camera, composite video (LEMO 14-pin) 2 x digital E/A for external trigger input/trigger output* (TTL level, LEMO 14-pin) 2 x analogueue output* 0-5V (LEMO 14-pin) GigE-Vision* (LEMO 8-pin) USB2.0* (mini-AB, behind the cover on the backside of the camera) WLAN* (external antenna*) Bluetooth* (external antenna*)
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Simultaneously using several interfaces on the 14-pin LEMO socket is allowed for by means of a breakout box*. In this case, the breakout box* is also used for external power supply. As an alternative to the digital high-resolution DVI-D image data on the HDMI socket, the analogue image data (4:3 PAL/NTSC) is available as FBAS signal (composite) on the 14-pin LEMO socket. The HDMI socket can be used to connect screens processing a resolution of (1.280 x 768) or (1.280 x 800) in accordance with the VESA standard.
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In connection with the software packages IRBIS® 3 remote* and IRBIS® 3 online*, the GigE-Vision interface* allows for remotely controlling the thermography system, as well as for transmitting digital image information to a PC in real time*.
User Manual
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Thermography System VarioCAM® HD 3. Introduction
3.3
Technical data
Spectral range
(7.5 ... 14) µm
Temperature measuring range
(-40 ... 1.200) °C. optionally > 1.200°C
Temperature resolution @ 30°C
Better than 0.05 K. optionally 0.03 K according to camera/detector type
Measurement accuracy
± 1.5 K or ± 1.5 %
Emissivity
Adjustable between 0.1 and 1.0 in increments of 0.01
Image format (pixels)
(1.024 x 768). resolution enhancement to (2.048 x 1.536) (640 x 480). resolution enhancement to (1.280 x 960) Uncooled Microbolometer Focal Plane Array
IR frame rate
30Hz (1.024 x 768); 60Hz (640 x 480)
Normal lens (field of view)
1.0/30mm (32.4 x 24.6)° at (1.024 x 768) 1.0/30mm (29.9 x 22.6)° at (640 x 480)
Zoom function
up to 32-fold digital
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Detector
16 bit
Image storage
SDHC card. GigE-Vision 30 Hz and/or 60 Hz
Voice recording/text comment
Image-integrated
Interfaces
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A/D conversion
DVI-D*. PAL/NTSC-FBAS*. GigE-Vision*. RS232*. USB2.0*. SDHC card. WLAN*/Bluetooth*. 2 x digital E/A*. 2 x analogue Out*
Integrated digital color video camera
8 Megapixels. LED video light
Power supply
Rechargeable lithium-ion battery. wall plug transformer*
Rechargeable battery system
Lithium-ion, fast-chargeable, with status display, mains and passenger vehicle charging adapter
Rechargeable battery-based operation Up to approx. 3 h
(-25 ... 50) °C; activation temperature > -15°C
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Working temperature range Storage temperature range
(-40 ... 70) °C
Moisture during operation and storage Relative humidity 5% to 95%. non-condensing Dimensions (with normal lens)
(210 x 125 x 155) mm
Weight (with normal lens)
1.7kg
Tripod connection
1/4" photo thread
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Attention: observe max penetration depth of 4.5mm! (DIN 4503)
Display
Daylight-compatible, digital 5.6" TFT display with 1280 x 800 pixels
Viewfinder*
Swivel-mounted colour viewfinder with (800 x 600) pixels and diopter compensation
Controls
Multi-function joystick, focus rocker switch, up to 10 function buttons
Range finder, laser
Semi-conductor laser red, laser protection class 2
Display functions
Thermogram, VIS, merge, operator guidance, menu, results, status, temperature range
Measuring functions
Max. 8 freely selectable ROI, auto hot/cold spot display, isotherms
Automatic functions
Autofocus, autoimage, autolevel, autorange, alarm*, auto-NUC, auto lens detection, premium snap*, resolution enhancement*
Degree of protection during operation
IP54, IEC 60529
Impact strength
25 G, ISO 60068-2-27
Vibration strength during operation
2 G, ISO 60068-2-27 * (Properties and technical specifications, depend on the camera configuration and vary within the equipment packages of VarioCAM® HD, Design and specification are subject to continuous further development; subject to changes within the meaning of technical progress.)
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© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD 4. Introduction
4
Unpacking and control
Upon receipt of the VarioCAM® HD, please check the components for completeness and integrity. Possible damages must be reported to the supplier immediately. The VarioCAM® HD system is delivered in a transport box.
The basic package contains the following components
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Thermography camera VarioCAM® HD with lens and 5.6" TFT display Integrated digital colour video camera Depending on the equipment, laser rangefinder/laser pointer. GPS 2 x rechargeable lithium-ion battery NP-QM91D (Sony) Battery charger SDHC card Card adaptor for SD card Protective lens cap Shoulder strap User manual VarioCAM® HD Quick user guide Transport box/transport packaging
Optional accessories*
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Wall plug transformer (15) with 14-pin LEMO connector Replacement lenses, macro attachments Protective window for lenses, laser protection filter Breakout box Bluetooth headset Gigabit Ethernet card Ethernet cable with 8-pin LEMO connector Device tripod Thermography software of the IRBIS® 3 program family
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Thermography System VarioCAM® HD 5. Introduction
5
Denomination of the camera components Carrying handle Color TFT viewfinder (for diopter compensation turn eyecup)
WLAN/Bluetooth
GPS-Antenna Rechargeable lithium-ion battery
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LEMO socket 8-pin: for GigE-Vision interface
(blue mark)
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LEMO socket 14-pin: power supply, trigger, FBAS
SD-card slot
Fig. 1
View from the side
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USB port
Colour video camera
DVI port
Laser rangefinder* LED video light Colour TFT display
Lens Fig. 2
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Front view
© InfraTec GmbH 2016
User Manual
Thermography System VarioCAM® HD 6. Introduction
6
Quick guide
The procedure described below is intended to make your first operation of the VarioCAM® HD easier. In order to achieve professional results, we recommend reading the entire manual. Focus rocker switch with autofocus function
Multi-function button
"Temperature" "Auto" Power-on LED
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Multi-function button Multi-function button
"ESC" button Power button Joystick
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Save
All buttons can be used for multiple functions triggered either by
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Half or full pressing:
and
and/or
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Short or long pressing:
,
,
, and
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The button function can be changed by changing the settings in menu "Settings" Buttons
Preparation
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6.1
You will need the following equipment: ■ ■ ■ ■ ■
VarioCAM® HD Rechargeable lithium-ion battery or wall plug transformer* with LEMO connector IRBIS® 3 software SDHC-card Card reader for SD-/SDHC-cards
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Thermography System VarioCAM® HD 6. Introduction
6.2 ■
Start
Provide for power supply by inserting the charged rechargeable lithium-ion battery or by connecting the wall plug transformer* to the VarioCAM® HD (plug the 14-pin connector into the right LEMO socket with the red dot pointing to the top). Remove the cover of the SD-card slot, insert the SD-card into the card slot, and re-attach the cover. Remove the protective cap from the lens.
■ ■
Push the Power button . The camera is switched on and the Jenoptik logo is displayed during the process of booting. Upon system initialisation, the power-on LED initially flashing green and then illuminated permanently in green indicates that the VarioCAM® HD is ready-to-operate in Live mode.
Te
c
■
Fig. 3
Display
ra
6.3
Camera start: system initialisation indication
Date/time Camera status (mode)
Camera menu
Color range with upper and lower limit of the shown temperature range
In f
Temperature unit
Information field for system information
Help line
Fig. 4
■ ■
16
Arrangement of the image elements
Logo Status rechargeable battery Status SDHC-card
Initially, you must select a motif with a contrasty scene (e.g. an active electrical device) and point the VarioCAM® HD towards this scene. When using the viewfinder*, fold the display to the side of the camera. The viewfinder is switched on by doing so. You must initially adapt the viewfinder to your eye using the diopter compensation. For this, the eyecup on the viewfinder is rotated. In order to find the ideal setting, you can use the sharpness of the letters initially.
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Thermography System VarioCAM® HD 6. Introduction
6.4
Push the focus rocker switch: middle button for autofocus or to the left or to the right in order to set the focus for longer or shorter distances to the measuring object. If the autofocus function is used, a rectangle will be displayed in the center of the screen. The distance setting is optimised taking the distance of the objects contained in the rectangle.
Te
c
■
Setting the focus
Fig. 5
Display when using autofocus
6.5
Setting the temperature range
Display after autofocus
Push the button (shortly). The thermography system will automatically set a temperature scale of the false colour image corresponding to the current scene:
In f
ra
■
Fig. 6
Fig. 7
■
Overloaded and underloaded thermal image
Fig. 8
Image after temperature range adaptation
The required temperature scale can also be set by means of joystick following: Menu Image Manual:
Fig. 9
Menu selection for manually setting level/range
User Manual
Fig. 10
Menu selection for manually setting maximum/minimum
© InfraTec GmbH 2016
. For this, please select the
Fig. 11
Menu selection for numerical temperature input 17
Thermography System VarioCAM® HD 6. Introduction
Depending on the selected input variant, the joystick can be used in order to set the temperature level and the temperature range (Level/Range) or the upper and lower limits (Max/Min) and the values can be input numerically as well. In this, the respective joystick and button functions are displayed to the left of the thermal image. The respective input dialog for numerical input is displayed in the center of the field of view:
Fig. 12
Menu for manually setting level/range
Te
c
■
Fig. 13
Menu for manually setting maximum/ minimum
Fig. 14
Dialog fields for numerical temperature input
ra
If the options Level/Range and Maximum/Minimum are set manually, the temperature scale can be adapted automatically once by shortly pushing the Enter
button. If the Enter
button is pushed
longer, the scale is permanently adapted automatically. The AUTO mode will then be displayed by on the right side of the image above the color palette. The AUTO mode is terminated by any manual setting of Level/Range/Max/Min.
Saving images
In f
6.6
In order to save the thermal image, the
6.6.1 ■
Saving with "check"
Push the button halfway down the live image will be frozen: ■ The frozen image can initially be “checked” on the display or viewfinder. ■
■
button is required. The following variants are possible:
If the image is not to be saved, push the
Push the
button:
.
.
button completely the image is saved.
The process of writing the data is indicated by the changing color of the map symbol (in the line below the image, right-hand side): mode:
18
. Upon saving, the camera control automatically activates the Live
.
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Thermography System VarioCAM® HD 6. Introduction
6.6.2 ■
Quick saving
Immediately push the
button completely image is saved immediately:
control then automatically re-activates the Live mode: Alternatively, you can save by using the multifunction button Abschnitt 9.4.5 – page 72).
6.7
, the camera
.
(see chapter 9.4.5 Menu item "Buttons"
Menu functions
The VarioCAM® HD offers a large number of analysis and automatic functions and can be configured individually for the respective use case. The settings and functions are selected in the camera menu, which is arranged at the left-hand side of the image area.
■
Use the joystick (, , , ) to navigate the menu and select the functions using the Enter button. The 4 main menus can be selected by means of tabs located on the upper margin of the menu and identified with the corresponding symbols:
In f
■
Camera menu
ra
Fig. 15
Te
c
■
“Image”
■
“File”
Sub-menus can be opened by using the
“Measure”
“Settings”
button (Enter) on the respective menu item, e.g. push the
button in order to open the sub-menu for manually setting the temperature range.
■
Settings made can be accepted using the buttons Enter
6.8 ■
or
or discarded using the
button.
Shutdown and Standby
Using the Power button
, the shutdown dialog is opened, whereupon
(Enter) can be used to
confirm the selection.
Fig. 16
Camera menu
If the (mobile) operation of the VarioCAM® HD needs to be paused, it can be put into standby mode in order to reduce the power consumption. The standby mode can be chosen in the shutdown dialogue and User Manual
© InfraTec GmbH 2016
19
Thermography System VarioCAM® HD 6. Introduction
is indicated by the shortly flashing status LED. Pressing the power button from standby mode to operational mode.
6.9 ■
■ ■
will bring the camera back
Data transmission to the computer
In order to transmit the data via the optional GigE-Vision interface using the software, the thermography software IRBIS® 3 remote or IRBIS® 3, supplied depending on the equipment, must initially be installed in accordance with the description in the respective manual. Another data transmission method is to read out the SDHC-card by means of a card reader. Optionally, files found on the SDHC card can be read through the USB port*.
■ ■
■
In f
■
Te
■
Install the analysis software IRBIS® 3 on the computer and execute the software. In order to open a thermography image (*.irb files) in the current window, the "Open file" function is executed in the "File" menu. The desired palette of colours (on the right-hand side of the thermography image) is selected by using the drop-down field on the right top of the temperature scale. The "View" menu can be used in order to display further elements in addition to the thermography image, e.g. comment field, parameters and VIS image. The desired temperature scale can be set by using the sliders for upper and lower limits on the righthand side of the colour palette or by inputting the values numerically. Pushing the right mouse button between the temperature scale sliders will open the "Level + Range" dialog, where temperature level and temperature range can be set. This setting is also accepted for the following thermography images. The "Measure" menu can be used in order to set labels and measuring and correction areas, as well as to activate the indication of maximum and minimum temperature values. In order to insert the analysed thermography images into a report, please use the functions contained in the "Report" menu.
ra
■ ■
c
6.10 Analysis using the analysis software IRBIS® 3
Fig. 17
20
Interface of the thermography software IRBIS® 3
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Thermography System VarioCAM® HD 7. Introduction
7
Start-up
7.1
Adaptation of the shoulder belt
The shoulder belt must be attached as follows:
■ ■ ■
c
■
Push the belt of the carrying strap from the top approx.. 10 cm through the loop to be found on the backside of the camera. Route the loose end of the strap through the bottom sleeve and then firmly push the sleeve towards the loop on the backside of the camera. Loosen the longer end of the strap in the buckle. Then, also route the short end of the belt through the buckle and pull the strap tight so that only one belt loop is visible. Now, also pull the long, upper end of the strap tightly through the buckle so that no belt loop is visible.
Te
■
The loose end of the carrying strap should always protrude freely from the buckle by ≥ 5cm!
7.2
Adaptation of the hand strap
7.3
ra
The VarioCAM® HD is designed as highly portable system for single-hand operation. Initially, adjust the hand strap attached to the handle piece as required. For this, open the loop of the hand strap and adjust the length of the belt strap in such a way that you can comfortably access the controls with your fingers. Then, close the hook and loop fastener of the loop,
Using a tripod*
In f
The thermography camera is equipped with a 1/4" photo thread (DIN 4503) on the bottom of the housing. In order to achieve rigid camera images. particularly for the Resolution Enhancement (RE) mode. it is recommendable to fix the VarioCAM® HD to a tripod*. Please observe the maximum penetration depth of the photo thread of 4.5 mm (DIN 4503).
7.4
Connecting a power supply
When using a rechargeable battery, the battery must be placed on the adapter plate. Push down the rechargeable battery until it engages. In this, the rechargeable battery must be pushed slightly to the front towards the lens. In order to use the VarioCAM® HD, please only use the genuine SONY® rechargeable batteries NP-QM91D. The wall plug transformer* is connected to the 14-pin socket on the right-hand side of the backside of the thermography system.
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Thermography System VarioCAM® HD 7. Introduction
7.5
Inserting a memory card
The SD-card slot is located on the left-hand side of the camera. In order to guarantee the degree of protection IP54, the slot is protected by a cover. Pull off the cover to insert a memory card and insert the SD-card into the card slot. Please observe the proper orientation of the card (▲ to the top). Afterwards, the cover must be re-closed. This is the only way to ensure the complete degree of protection of the device.
7.6
Replacing the lens
Only replace the lenses in dry and low-dust conditions. When the lens is removed, the degree of protection IP54 of the system is no longer guaranteed!
Te
c
Position the VarioCAM® HD on a solid, level underground so that the lens is directed towards you. Rotate the lens on the thermography system counterclockwise as far as it will go and/or until the two red dots are aligned. Then, remove the lens to the front. In order to attach the lens, the red marking spots on lens and camera must be aligned. In this position, the lens must be pressed slightly against the camera corpus and turned clockwise until the red dot of the lens is aligned with the white dot of the camera.
7.7
Operation using the gigabit Ethernet (GigE) interface*
■
The Ethernet cable is used in order to establish a connection to the Ethernet interface of the PC (RJ45 connector). The 8-pin LEMO connector (blue mark) is connected to the left 8-pin LEMO socket (Fig. 18, blue mark) on the camera.
In f
■
ra
Please proceed as follows in order to connect the VarioCAM® HD to a PC/notebook. The accessories described are contained in the scope of delivery as an option*.
Please make sure to establish the connection to the proper LEMO socket! Plug the LEMO connector into the socket with the red dot directed to the top. Do not force the connector in!
VarioCAM® HD with Ethernet cable and power supply The Ethernet cable is used in order to connect the thermography camera to the 8-pin LEMO socket (left-hand side, blue mark).
VarioCAM® HD
The 14-pin connector of the wall plug transformer is plugged into the right-hand side LEMO socket with the red mark pointing to the top.
8 14 LEMO
Ethernet
Fig. 18
22
Power supply
VarioCAM® HD with Ethernet cable and wall plug transformer
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User Manual
Thermography System VarioCAM® HD 7. Introduction
Connecting the wall plug transformer* If the VarioCAM® HD is to be operated (permanently) connected to a notebook or PC, the power should be supplied using the wall plug transformer (14-pin LEMO connector on right-hand side socket).
Fig. 19
Wall plug transformer with connector
c
When the wall plug transformer is connected, the camera is automatically supplied by the wall plug transformer and no longer by the rechargeable battery. However, the rechargeable battery is not charged at the same time.
7.8
Te
Please find information on how to further proceed regarding the installation of the Ethernet driver for the VarioCAM® HD in chapter 10 Software installation starting on page 83.
Operation using breakout box (connection via RS232)*
Using the breakout box will expand the connection options of the VarioCAM® HD. The interfaces 2 x analogue output, 2 x trigger E/A, PAL/NTSC-FBAS, as well as the digital RS232 interface are accessible via the breakout box.
ra
Please follow the specified steps on how to establish the required connections.
1. Initially, the connection between thermography camera and breakout box must be established. For this, the 14-pin connecting cable of the breakout box must be used. It is connected to the right-hand side 14-pin LEMO socket on the backside of the VarioCAM® HD.
In f
2. Then, the breakout box must be connected to the COM interface of the host computer. For this, please use a commercially available cable. 3. Now, the supplied wall plug transformer is connected to the breakout box.
Only now you must push the Power button thermography system.
User Manual
on the backside of the camera, which switches on the
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Thermography System VarioCAM® HD 7. Introduction
Connecting the breakout box Connecting cable Terminal strip Connecting the wall plug transformer to the 14-pin LEMO socket Serial interface (RS232) BNC video port (PAL/NTSC-FBAS)
Fig. 20
Breakout box (trigger; RS232.,BNC)
c
Trigger T1, T2 (configurable)
Te
Terminal strip (analog output)
LEMO socket, 14-pin for connection to the wall plug transformer
Fig. 21
ra
Cable for VarioCAM® HD head (with 14pin LEMO connector)
Breakout box backside
The terminal strip of the breakout box has the following pin assignments: 1 2 3 4 5 6 7 8
AOUT1 AOUT2 GND T1 T2 GND PS + PS -
Analogue output 1 Analogue output 2 Reference potential for AOUTx, I / Ox Trigger 1 / Digital I / O1 (bidirectional) Trigger 2 / Digital I / O 2 (bidirectional) Reference potential for AOUTx, Tx Power supply + Supply voltage -
In f
■ ■ ■ ■ ■ ■ ■ ■
7.9
Trigger functionality VarioCAM® HD*
7.9.1
Trigger function
Triggering uses the Ethernet to affect the 16 bit IRB data transmission. The TTL/CMOS signal is forwarded to the VarioCAM® HD (right-hand side socket) using the BNC sockets marked T1 and T2 of the breakout box and from there using the connecting cable with 14-pin LEMO connector. In order to connect the trigger signal sources to the breakout box, commercially available BNC cables may be used.
24
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Thermography System VarioCAM® HD 7. Introduction
■ ■
Trigger channel 1 is used by the IRBIS® 3 software. Trigger channel 2 is reserved for the SDK and further specific applications.
T1 T2
The voltage level of the trigger signals from the VarioCAM® HD to the input and the output is 5V TTL/CMOS.
The VarioCAM® HD reacts to a low-high trigger edge. The trigger event causes simultaneous marking in the heater of the following frame (IR image). Within the IRBIS® 3 software, this mark is analysed by the IRBGRAB.DLL implemented there and results in the corresponding data being saved. The minimum width of a trigger pulse should be 10 µs in order to allow an unambiguous assignment to the current frame.
SyncOut
Te
7.9.2
c
Depending on the event, signals can be generated via T1 and T2 using the alarm functionality. The appropriate setting for this is described in section 9.4.6 Menu item "Alarm", page 73.
The frame rate of the VarioCAM® HD cannot be controlled from the outside. In order to synchronise other cameras and processes, and for active thermography applications. the Framesync signal of the VarioCAM® HD can be generated, however, The generation of the Framesync signal is activated by the corresponding software command, In the event of a low-high edge, the Framesync signal starts simultaneously with the recording of the first image line. The synchronisation pulse has a length of approx. 600 µs.
In f
ra
The trigger channels are configured using the application software IRBIS® 3 online.
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Thermography System VarioCAM® HD 8. Introduction
8
Operation
8.1
Controls
The VarioCAM® HD has the following controls: ■
Keyboard on the right top camera side (focus rocker switch
, buttons
,
as well
,
■
Keyboard on the right of the backside (ESC button
■
Multi-function joystick
■
Multi-function button
with Enter function
and
)
and power button
)
on the right of the backside
c
on the top of the front camera handle* Focus rocker switch with autofocus function
Multi-function button
Te
"Temperature"
"Auto"
Power-on LED
Multi-function button Multi-function button
ra
"ESC" button
"Save"
Power button Joystick
Representation of the controls
In f
Fig. 22
All buttons can be used for multiple functions triggered either by ■
Half or full pressing:
■
Short or long pressing:
and ,
and/or
,
and
.
Within the framework of the description of the camera functions, the letter L is attached to the symbol of the respective function button if a button must be pushed for a longer period of time.
Example: Shortly pressing the T button: Shortly pressing the A button:
Long pressing of the T button: Long pressing of the A button:
L L
The functions of the buttons , , , , and can be changed by setting the buttons (see chapter 9.4.5 Menu item "Buttons" – page 72. Furthermore, the function of the buttons depends on the current mode of operation and. depending on the aforementioned, is displayed in the menu and the help line at the lower margin of the screen.
26
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Thermography System VarioCAM® HD 8. Introduction
Ex factory, the functions are assigned to the function buttons in such a way that functions required very frequently can be executed quickly: Function
Explanation
Short
Autoimage
Automatic adaptation temperature scale
Long
NUC
Non-uniformity correction (compensation)
Long
Menu Level/Range
For manually setting Level/Range
Short
Spot ON/OFF
If no ROI was created yet create spot 1 Otherwise hide/display ROI
Long
Spot editor
ROI settings
Short
Laser ON/OFF
Mark and range finder
Long
Max/Min ON/OFF
Global max/min measurement On/Off
Short
IR VIS
Switch-over image mode
Long
Color SW
For manually setting Max/Min
Halfway
LED ON/OFF
Photo lamp
FREEZE
Subsequent image saving possible using
Complete
c
Type
Te
Button
when saving images is defined in the "Image" menu (see chapter The function of the save button 9.2.7 Menu item "Saving format" – page 55).
ra
Furthermore, the save button can be used in order to immediately accept inputs in many menus. This function shortens the navigation and is activated ex factory, but can also be deactivated (see chapter 9.4.8 Menu item "System" – page 75). The multi-function joystick
can be used to navigate and to select functions, to input using the arrow
buttons , , , , as well as the function
In f
(Enter, push the center).
The focus rocker switch can be used in order to ■ Manually focus the infrared image: change the focus to longer distance push left
■
change the focus to shorter distance push right Or to focus automatically: center function of the focus rocker switch.
The Power button is used to switch on the VarioCAM® HD. Initially, the status LED on the left-hand side above the button will start to flash green and the logo of the camera manufacturer is displayed on the camera display. Upon successful system initialisation, the status LED will be illuminated permanently green: the VarioCAM® HD is now ready to operate. The system start takes approx. 30 seconds.
Fig. 23
System initialisation indication
In order to switch off the VarioCAM® HD, please also use the power button User Manual
© InfraTec GmbH 2016
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Thermography System VarioCAM® HD 8. Introduction
8.2
User interface
8.2.1
Elements of the user interface
Main image elements Temperature unit
Date/time Camera status (mode)
Camera menu
Colour scale with upper and lower limits of the shown temperature range
Field for measured values table
c
Information field for system information
Logo Status indications Rechargeable battery, SDHC-card
Te
Help line Fig. 24
Arrangement of the image elements
The image elements have the following functions: Central display area
Image
■ ■ ■
Menu Help Logo
■
Date, time
Left from screen area Lower screen area, left Lower right corner of the screen Screen center, upper edge Date and system time of screen Upper right corner of the Current mode of operation screen Right edge of the screen Assignment of the colors/shades of grey, of the image to the temperature range shown Left screen area Display of temperature values
In f ■
Camera status
■
Temperature scale
■
Measured values table Status symbols
■
28
Display of the current thermal image, VIS image or of a superimposition of both images, display of saved images Adjustment of the camera functions Display of the current function Manufacturer’s logo
ra
■
Lower screen area, right
Status indicators for ■ Power supply (wall plug transformer/status rechargeable battery) ■ SDHC-card ■ Laser rangefinder*/laser pointer* ■ Photo LED* ■ GPS reception*
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Thermography System VarioCAM® HD 8. Introduction
■
Information
Screen area bottom left 1st line 2nd line and 3rd line
Information indicators for ■ GPS data*: latitude, longitude, satellites ■ (Global) Emissivity eps ■ Ambient temperature Te ■ Path temperature Tp ■ Relative humidity rH ■ Distance Dist ■ Calibration range Cal ■ Lens information FOV ■ Zoom Z
c
In addition to the current temperature scene in false colour representation, different image elements are used in order to show information about the camera status and regarding operation. The displayed image elements can be changed and adapted in accordance with the individual requirements in the “Image” menu using the menu item “Elements”, see chapter 9.1 Menu "Image" – page 36.
Autofocus indication
Fig. 26
Rechargeable battery warning message
Fig. 27
Message “Please wait: loading calibration…“
In f
Fig. 25
ra
Te
Along with the (normally always displayed) main image elements, further system messages are displayed depending on the current function, providing information about the system status and intended to facilitate operation, e. g. autofocus, temperature indicators for isotherms, temperature alarm indicators, messages regarding critical status of the rechargeable battery. “Please wait…”, etc.
The VarioCAM® HD can be operated both by the control directly attached to the camera and, depending on the equipment, remotely using GigE, RS232, or WLAN*.
8.2.2
Setting the temperature scale
Upon activation (pushing the power button
) and system start, the camera is in Live mode. This mode
is shown on the right-hand side at the top of the screen: . In Live mode, the current scene is shown as a false colour representation of the temperature distribution (IR image), as a video image (visible, VIS), or as a superimposition of IR and VIS (Merge). The temperature scale of the false colour representation of the IR image can be set automatically or manually. In order to automatically adapt the temperature scale to the current scene, push the
button (factory
setting for button): the scale is set in accordance with the highest (= upper limit) and lowest temperature (= lower limit) of the current scene. If the temperature scale was adapted before the focus was changed, the temperature should be re-adapted afterwards.
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Thermography System VarioCAM® HD 8. Introduction
Please observe the calibration range limit of the currently used measuring range. If the temperature of the current scene is outside of the set range, an appropriate calibration range must be selected (see chapter 9.4.1 Menu item "Calibration" – page 68). The manual setting options regarding the ideal adjustment of the temperature scale are described in detail in chapter 9.1.1 Menu item "Manual" – starting on page 36.
8.2.3
Focus
Carefully setting the focus is particularly important in order to achieve a precise temperature measurement of the thermography system.
c
8.2.3.1 Manual and automatic focus (without laser range finder)
Te
The focus rocker switch can be used in order to ■ Manually focus by ■ Pushing the left side of the focus rocker switch in order to change the focus to longer distances and/or ■ Pushing the right side of the focus rocker switch in order to change the focus to shorter distances. ■ You can also set the focus automatically by pushing the center function of the focus rocker switch.
ra
In order to provide support during manual focusing for small objects to be measured, the zoom setting can be used.
8.2.3.2 Automatic focus with laser range finder*
In f
An automatic focus mode with an equipped laser range finder (depending on the design) is optionally selectable. Please select the function LRF- AF from the menu Measurement for this purpose.
Fig. 28
30
Selection function LRF – AF / laser range finder – supported autofocus
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Thermography System VarioCAM® HD 8. Introduction
■ ■ ■ ■ ■
Aim the camera at the measurement object Automatic focusing is activated by pushing center function of the focus rocker switch The laser range finder is now being activated (signal tone) Now. align the red laser dot to the desired measurement object After measuring the distance. focusing is performed on the measurement object
8.2.3.3 Permanent automatic focus with laser range finder*
Fig. 29
ra
Te
c
With an integrated laser range finder, focusing can be set up to operate permanent automatically for changing distances of the measurement objects. The laser range finder will be constantly repeated and in case of any distance changes, the focus set up will be adjusted accordingly. In order to activate the laser range finder function with a permanent supported autofocus LRF – PAF, select the menu Measurement:
Selection function LRF- PAF (Permanent laser range finder – supported autofocus)
In f
The use of the function permanent laser range finder supported autofocus is limited to a distance of approximately 2 to maximum 70 meters. The readjustment speed depends on the distance of the object, the surface properties, and the lens used.
8.2.3.4 Focus setting of digital images (VIS focus) A focus setting for the sharp display of video images (VIS channel) is only required for short-range distances (< approx. 50 cm). Therefore, configure the required settings in the menu Settings – Screen Mode – Digital Image as follows:
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Thermography System VarioCAM® HD 8. Introduction
Setting for focus of short-range distances for video images (VIS channel)
8.2.4
Spot editor
By pushing the the
Te
Fig. 30
button, a temperature measuring point is created in the center of the image. Pushing
button with the spot switched on will switch off the measuring point.
ra
The spot editor can be started by pushing the button for a long period of time. The editor can be used to define measuring objects with different shapes and properties (Regions of Interest, ROIs), as well as to set the way the measuring objects are displayed. After having defined the ROIs, these regions and their measured values can be activated and deactivated using the button. The particular description of the spot editor’s function can be found in chapter 9.3 Menu "Measure" starting on page 56.
Saving
In f
8.2.5
Thermography images and photographic pictures are saved to the SC-card inserted into the camera. The VarioCAM® HD supports commercially available SD- and/or SDHC-cards up to a capacity of 32 GB. Depending on the detector format and the set memory format, up to 25.000 thermograms can be saved to one SDHC-card this way. Along with individual thermograms, thermal image sequences can be saved as digital raw data and video sequences. The particular description of the camera settings for data storage can be found in chapter 9.2.7 Menu item "Saving format" – page 55. Depending on the equipment, the thermography and video data can be transmitted using the optional interfaces GigE*. USB* and WLAN* so that transmitted data can also be stored on the used control units. Before saving to SC-card, please initially check in each case whether the SD-card inserted into the camera has sufficient memory space available. The remaining memory space can be displayed in menu "Settings" "System" "Info" (see chapter 9.4 Menu item "Settings" – page 68). A writable memory card is indicated by means of a blue card symbol in the lower right area of the field of view. A nonwritable or read-only memory card is indicated by means of a grayed-out card symbol
32
.
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Thermography System VarioCAM® HD 8. Introduction
SD card status indication
Fig. 32
Menu item “Saving format”
Te
Fig. 31
c
Depending on the equipment, the VarioCAM® HD can be used to store further data (photo, voice comment, screenshot, ROI positions), along with the thermogram. This can be selected in the "File" menu using the "Saving format" menu item (see chapter 9.2.7 Menu item "Saving format" – page 55).
8.2.5.1 Saving with check
In case you want to check the image to be recorded before saving it, the Live mode should be stopped initially for this: ■
Push the button halfway down the live image will be frozen: ■ The frozen image can initially be “checked” on the display or viewfinder. ■
If the image is not to be saved, push the
■
button halfway down again in
ra
(Pushing the
button:
Push the
.
.
mode is ignored.)
button completely the image is saved.
The process of writing the data is indicated by the changing colour of the map symbol (in the line below the image, right-hand side):
. Upon saving, the camera control automatically re-activates the
.
In f
Live mode:
8.2.5.2 Quick saving
Using the VarioCAM® HD, you can immediately save images in the Live mode or directly from the motion: ■
Immediately push the
button completely image is saved immediately:
control then automatically re-activates the Live mode:
Alternatively, you can save by using the multifunction button page 72).
, the camera
.
(see Section 9.4.5 Menu item "Buttons".
8.2.5.3 Vorschaubild By using the Menu item "Elements" (see section 9.1.5 Menu item "Elements", page 43) a thumbnail image can be displayed every time you save. For IR-images and for that selected, VIS will be displayed for about 3 seconds in the lower left corner of the image simultaneously with the file name in the status bar.
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Thumbnails IR and VIS
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Fig. 33
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Thermography System VarioCAM® HD 8. Introduction
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9
The main menu
Fig. 34
Camera menu
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The main menu is designed to select and set the different functions of the VarioCAM® HD. It is arranged to the left of the image section.
In f
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The menu can be navigated using the joystick , settings are accepted using the button (Enter). The 4 main menus are located on the upper margin of the menu and can be selected by means of the corresponding symbols of the tabs:
Fig. 35
Menu "Image"
Fig. 36
Menu "File"
Fig. 37
Menu "Measure"
Fig. 38
Menu "Settings"
Within the menus, the joystick is used to navigate to the top ↑ and/or to be bottom ↓. The main menus can be switched using the buttons ← and →. Depending on the settings for “Menu control” made in the "Settings" menu in the "System" menu item at the "Menu control") function (see chapter 9.4.8 Menu item "System" – page 75), the lower menu in each case can be accessed directly by pushing ↑ from the very top and/or the upper menu in each case can be accessed directly by pushing ↓ from the very bottom and/or "Image" can be selected directly by → from "Settings" and/or vice versa by ←. Sub-menus can be opened by pushing the Enter button
on the respective menu item, e.g.
in order to open the sub-menu for manual temperature range setting. Changes performed to setting dialogs can be accepted using the Enter button User Manual
or
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or can be discarded using
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Thermography System VarioCAM® HD 9. Introduction
9.1
Menu "Image"
Menu "Image", dropped down "Manual" sub-menu
9.1.1
Menu item "Manual"
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Fig. 39
c
Fig. 39 shows the "Image" menu. This menu constitutes a summary of the settings relevant for the representation of the thermal image.
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The option of manually setting the temperature scale is a central function of each thermography camera. Therefore, this function is arranged in a quickly accessible menu in the left top area of the main menu of the VarioCAM® HD. Setting the temperature scale allows for a visual allocation of temperatures to the displayed scene by means of the false color representation of the thermal image. Maximum and minimum values of the currently set temperature range are indicated by the corresponding figures above and below the arranged colour palette.
In f
3 different modes can be selected for manually setting the temperature range in the "Manual" menu item:
Fig. 40
Menu selection for manually setting level/range
Fig. 41
Menu selection for manually setting maximum/minimum
Fig. 42
Menu selection for numerical temperature input
Depending on the selected input variant, the joystick can be used in order to set the temperature level and the temperature range (Level/Range) or the upper and lower limits (Max/Min) and the values can be input numerically as well. In this, the respective joystick and button functions are displayed to the left of the thermal image instead of the menu after opening the function. The respective input dialog for numerical input is displayed in the center of the field of view:
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Manual setting level/range
Fig. 44
Manual setting maximum/minimum
Fig. 45
Dialog fields for numerical temperature input
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Fig. 43
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Thermography System VarioCAM® HD 9. Introduction
Along with the option of manually setting the temperature scale, the temperature scale can be set once by pushing the Enter button shortly or permanently automatically by pushing the Enter button longer. The permanent automatic adaptation of the temperature range called Autoimage is indicated by
ra
in the right top corner of the screen. The Autoimage mode is deactivated by any manual change to the temperature scale or non-recurrent triggering of the Autoimage function. The setting menus Level/Range and Maximum/Minimum can be accessed directly by the button functions
9.1.2
Long and
Long, as set ex factory.
Menu item "Mode"
In f
In Live mode, the VarioCAM® HD displays thermal images (Infrared images), video images (Digital images), or the superimposition of both (Merge). The options can be selected in the "Mode" menu, which must be dropped down for this. If an Infrared image is currently displayed, you can switch to Digital image or Merge; from the Digital image mode you can switch to Infrared image or Merge; and from the Merge mode you can switch to Infrared image or Digital image. The different representation variants in the Merge mode can be set after the sub-menu dropped down.
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Thermography System VarioCAM® HD 9. Introduction
Fig.47
Infrared image mode
Menu "Mode" – Infrared image mode
Fig.48
Menu "Mode" – Digital image mode
Fig.49
Menu "Mode" – Merge mode
c
Menu "Mode" not dropped down
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Fig.46
In the Infrared image mode, the thermal image is shown in false colour representation. Depending on the equipment, the live image displays (1.024 x 768) or (640 x 480) IR pixels with the digital zoom switched off. While saving, the geometric resolution can be increased to (2.048 x 1.536) and/or (1.280 x 960) IR pixels by means of the optomechanic MicroScan functions Resolution Enhancement* (RE) or Dynamic Resolution Enhancement* (DRE). These modes* must be activated in the "Settings menu" using the "Extras" menu item.
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Digital image mode
In the Digital image mode, the camera-internal digital photo channel is operated in video mode and displayed with a geometric resolution of (1.024 x 720) pixels. The option of saving photos with the available pixel resolution of (3.264 x 2.448) pixels (8 megapixels) is set in the "File" menu using the menu item "Saving format", see chapter 9.2.7 Menu item "Saving format" – page 55.
In f
Merge mode
In the Merge mode, 4 different modes can be selected. In order to select these options, the Merge submenu must be dropped down:
Fig.50
38
Merge sub-menu – Picture in Picture
Fig.51
Merge submenu – Interval
Fig.52
© InfraTec GmbH 2016
Merge submenu – Above
Fig.53
Merge submenu – Below
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Thermography System VarioCAM® HD 9. Introduction
Merge – Picture in Picture In the Picture in Picture mode, a part of the infrared image is superimposed over the digital image, regardless of the temperature of the current scene. The size and the position of the displayed infrared section can be changed by using the joystick
: higher using ↑, lower using ↓, wider using → and
Fig.54
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c
can be used to toggle between the options Resize and Move. narrower using ←. The Enter button The merged image section can be moved to the top ↑, to the bottom ↓, to the right → and to the left ←.
Merge – Picture in Picture – Resize
Fig.55
Merge – Picture in Picture – Move
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In the Picture in Picture Merge mode, all temperatures of the current scene are displayed in the selected partial area in accordance with the set temperature scale. Therefore, cross-fading refers to the surface area. In the Interval, Above and Below Merge modes, the displayed temperature range can be restricted: cross-fading depends on the temperature in the entire infrared image.
Merge – Interval
In f
In the Interval Merge mode, a (partial) temperature interval is defined within the set temperature range. Partial areas, the temperatures of which are within this interval, are displayed as an infrared image in false color representation; partial areas, the temperatures of which are outside of this interval, are displayed as a digital image (VIS):
Fig. 56
Merge – Interval
Upper and lower limits of the superimposed temperature range are displayed to the left of the palette on top and at the bottom and can be changed by using the joystick : using ↑, the temperature level of the Merge interval is increased, using ↓, the temperature level of the Merge interval is decreased, using →, the temperature interval is increased, and using ← the temperature interval is decreased.
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Thermography System VarioCAM® HD 9. Introduction
Merge – Above, Merge – Below
Fig.57
Merge – Above
Cross-fading
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c
Just as in Interval, a (partial) temperature interval is defined in the Above and Below Merge modes, not only the upper and/or lower limits are defined for the partial areas at this point. For the Above option, all areas above, and for the Below option, all areas below the adjustable temperature limit are displayed. The upper limit for the Above option corresponds to the upper limit of the set total range; the lower limit for the Below option corresponds to the lower limit of the total range:
Fig.58
Merge – Below
In f
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In all Merge modes, the transparency of the cross-faded area can be selected. The degree of crossfading (α blending) can be set in the sub menu "Blending" in an infinitely variable manner.
Fig. 59
Selection Alpha blending
9.1.3
Menu item "Zoom"
Fig. 60
Cross-fading setting
Depending on the equipment, the VarioCAM® HD supports digital magnification of the Infrared image and the Digital image (VIS image) up to 32-fold*. The setting is made in the Fig Setting Fig menu using the "Zoom " menu item and is applicable to the currently displayed image in each case (Infrared image or VIS image). A set magnification is indicated as the corresponding status symbol to the right below the image. If the image was enlarged digitally, the enlarged section of the image (initially located in the center
of the image) can be moved. By shortly pushing the Enter button , you can toggle between the options enlargement (Zoom) and Move. The function active in each case is indicated by blackened joystick symbols in the upper part of the menu; the zoom level and the position of the enlarged section of the image are indicated in the left bottom area of the total image. After the enlarged section of the image has been moved from the center of the image, the Enter button center the section of the image. 40
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Thermography System VarioCAM® HD 9. Introduction
Fig. 62
Zoom level 2 set. enlarged area in the center of the image. "Zoom " function active
Fig. 63
Zoom level 2 set. enlarged area moved from the center of the image, "Move " function active
c
Tools for zoom setting. before setting the zoom level
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Fig. 61
Regardless of any set digital magnification of the Infrared or VIS images, the total image is always saved when saving digital raw data in the IRB format,
9.1.4
Menu item "Palette"
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The current allocation of the individual colors/shades of gray of the false color representation to the corresponding temperatures is performed by using the palette shown on the right-hand side margin of the screen ("colour scale", see Fig. 24 Arrangement of the image elements – page 28). In this, the maximum value of the image area above and its minimum value below the palette serve the purpose of orientation regarding the temperature level.
In f
The Image Palette (Palette) menu item is used in order to open a dialogue for selecting and setting predefined palettes:
Fig. 64
Palette menu
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Fig. 65
Selection and setting of palettes
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Thermography System VarioCAM® HD 9. Introduction
Black/white palette (left) and inverted representation (right)
BW/ VarioCAM
Sepia
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Menthol
Fire
Black Red
Fig. 68 Palette containing 256 colors (left) and 16 colors (right)
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Fig. 67
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Fig. 66 Ranges
Steps
Rainbow
Marked
Blue Red
Iron
Black White
VarioCAM
The following palettes are available:
Fig. 69
Black/white-VarioCAM palette with temperature-linear (left) and logarithmic representation
In f
The "Inverse" function can be used in order to invert the current palette. For example, if the black/white palette is set, the low temperatures are indicated in darker colorus when compared to the higher temperatures by default. If the "Inverse" function is activated for the black/white palette, the representation is inverted: The low temperatures are now indicated in lighter colours and the higher temperatures are now indicated in darker colours (see also Fig. 67). The "16 steps" function can be used to set the representation of the palette from 256 colour steps to 16 steps. Accordingly, only 16 temperature levels can be indicated instead of 256, which is why differentiations exceeding the 16 steps are no longer displayed on the screen. Therefore, the scene is “summarised” to 16 “classes” of the same temperature levels (see also Fig. 68). The "Logarithmic" function can be used to toggle the representation of the temperature values between a linear and a logarithmic curve. By default, a linear curve is selected in order to represent the temperatures. By activating this function, it is possible to use a more differentiated resolution for the low temperature range when compared to the high temperature range:
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Fig. 70
VarioCAM palette with logarithmic representation – different linear settings
The effects of the logarithmic representation are illustrated by Fig. 69. Whether the functions "Inverse", "16 steps" or "Logarithmic" are activated is indicated by a checkmark on the respective menu item. It is also possible to combine the three variants with each other.
Menu item "Elements"
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9.1.5
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The "Elements" menu item can be used in order to individually adapt the user interface by selecting the individual image elements. The menu comprises the two sub-menus "Elements" and "Hide". The "Elements" sub-menu can be used to open the "Image elements" dialogue (see also Fig. 71) in order to individually select the image elements. The selection is made by setting the corresponding checkmark
In f
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using the Enter button of the joystick ; the dialog can also be navigated with the joystick . When selecting the "Hide" menu item, all image elements of the graphical user interface are hidden at once. If this function is activated, a checkmark will be shown on the right side of the "Hide" menu item.
Fig. 71
Menu item "Image elements", dialog "Image elements"
9.1.6
Menu item "Isotherms"
In the "Image" menu using the menu item "Isotherms" (see Fig. 72), the isotherms editor can be started and/or settings regarding already created isotherms can be made, or all isotherms can be shown or hidden simultaneously. The “Isotherms” function is used to show all image areas characterised by the same temperature (in a defined temperature interval) with the same representation color and/or shade of gray. With the help of the isotherms editor, it is possible to create isotherms for differently sized temperature intervals. The temperature ranges are identified with different colours. The VarioCAM® HD supports a maximum of 9 different isotherms*.
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Menu item "Isotherms"
Fig. 73
Setting isotherms – Interval
Fig. 74
Setting isotherms – Above
Fig. 75
Setting isotherms – Below
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Fig. 72
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Thermography System VarioCAM® HD 9. Introduction
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Along with the definition of Intervals for isotherms, identifying temperatures over or under a certain limit is possible. At this point, temperatures above ("Above") and/or below ("Below") the limit value are identified with the same colour. In order to define the isotherms “Above“, and/or “Below“, entering a limit value is required in each case, while two temperatures must be defined for “Interval“. The temperature limits are set using the joystick and the setting is indicated in the selected mode to the left of the image (see Fig. 73 to Fig. 75).
In f
Along with making the settings using the joystick, the limit values for each isotherm can be specified numerically in a dialogue. To do so, open the isotherms editor by pressing T.
Figure 71: Isotherms editor
In this dialogue, changing the colour of the isotherm is also possible. The 15 “special colours” designed for the isotherms were selected in such a way that they can still be conceived as isotherm even when using a colour palette. Regardless of the aforementioned and for the purposes of unambiguous allocation of the temperatures when using colour isotherms, it is recommendable to use a black/white palette and/or to use a colour palette in the event of black, white, or grey isotherms. Single isotherms can be hidden by placing/removing the respective checkmark in the isotherms editor. The limit and colour settings will be applied when quitting the isotherms editor and saved when hiding an isotherm. The isotherms settings will be lost when deleting an isotherm by pressing 2 or when shutting down the camera. If the same isotherms settings need to be used again later, you can save the configuration (9.4.7 Menu item "Configuration" – page 74). 44
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Colors for isotherms
Fig. 77
Thermal image with black/white palette and displayed isotherms
9.1.7
Menu item "Filter"
Dark gray
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Fig. 76
Light gray
Orange
Yellow
Magenta
Darrk Cyan
Cyan
Dark blue
Blue
Green
Lime
Brown
Red
Black
White
The following colours can be selected for the isotherms:
Fig. 78
Menu item "Filter"
With the help of the "Filter" menu item, a filter can be set for the representation of the thermal images. A first-order digital low-pass filter is used as a filter. The sub-menu can be used in order to select from the four filter stages "Off", "Weak", "Medium" and "Strong". Filtering reduces the noise in the image, significantly improving the image quality particularly for scenes with low temperature gradient. The filter should be set to “Off” or “Weak” for moving objects or for the documentation of quick temperature changes.
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Thermography System VarioCAM® HD 9. Introduction
9.2
Menu "File"
Those VarioCAM® HD functions that can be used to load thermograms and photos, to make settings regarding contents and format individual images and image sequences to be saved are summarised in the "File" menu.
9.2.1
Directory structure of the VarioCAM® HD
Menu “Directory”
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Fig 79
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The directory names are set in the submenu „Directory“:
Files are always stored in a subdirectory. The definition of individual subdirectory names depends on the setting made in the submenu “Directory”. The maximum number of files to be stored in the directory is always limited to 100, in order to avoid having to search tediously within long lists and to ensure quickly finding the desired files, even with large amounts of data.
9.2.1.1 Automatic directory structure (default setting)
In f
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With each data storage on the SDHC card the VarioCAM® HD sets first automatically subdirectories whose names are automatically generated. In the settings directory “Automatic”, the file and directory names cannot be specified by the user.
Fig. 80
Automatic directory structure
The name of the subdirectory is generated from the current data – always two letters for year, month and day as well as two letters for continuous identification – for example, on 22.06.2012 the first directory would be named 120622AA. In the directory the files are numbered consecutively, starting from 00 up to 99. The file name is composed of the hull name – always two letters for each directory name + month + day, for example. AA06220 continuously until number AA062299.Within one year, in this way each file can always be assigned to the associated directory. If a subdirectory is completely filled (e.g. file AA062299.irb) the next file is created in directory 120622AB with the file name AB06220. The directory name JJMMTTAZ is followed by directory JJMMTTBA, then JJMMTTBB, JJMMTTBC … JJMMTTBZ etc. The file names are numbered consecutively starting with 00 to 99 and do not contain any year identification in contrast to the directory. However, the directories are numbered with the year, month and day from AA to ZZ. The maximum number of files cannot exceed 26 x 26 x 100 = 67.600 files in 676 automatically generated directories per day.
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Please note that a new sub-directory is created after every restart of the thermography system and subsequent data storage, as well as for every series measurement*, regardless of the contents of directories already created beforehand. If additional data (VIS, audio, screenshot) is saved as additional files, the number of possible thermal image files in one directory is reduced accordingly*.
9.2.1.2 Individual directory names
Fig. 81
Input of an individual directory name
Fig. 82
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If directory names should be applied regardless of the date, the check in the dialog field “automatic” has to be removed and the desired directory name can be edited. For this purpose at least four letters or special characters are required. The directory name is limited to 15 characters. In addition to the user specified directory name, always two letters are added analogueue for automatic directory creation e.g. AA. AB…AZ, BA, BB…BZ…ZZ. In this way 26x26 directory names with the same root name can be created. Individual directory names have only four characters, consisting of the indicators AA…ZZ of each directory name and serial numbers from 00…99:
Directory files with individual directory names
In f
If more individual directory names are assigned to one memory card, identical file names can arise. It is therefore recommended to keep the directory structure in the transmission of data from the memory card to the evaluation computer.
9.2.2
Menu item "Load"
9.2.2.1 Loading individual files from file list or gallery
Fig. 83
Menu item "Load "
The "Load" menu item can be used in order to load thermograms and photos already saved to the SDHC-card and to display these on the display and/or the viewfinder. The images to be displayed can be selected using the sub-menu items "Single file" or "Gallery". If the "Single file" sub-menu item is selected, the sub-directories and their contents contained on the SDHC-card are initially displayed as lists. In order to navigate between directories and files, User Manual
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Thermography System VarioCAM® HD 9. Introduction
and in order to navigate within the directory lists and file lists. using the Enter button
is used. A directory can be opened
or navigating to the right; the file list of a sub-directory can be closed by
navigating to the left. A file, in turn, is selected by using the Enter button . On the right top, next to the, file list, the preview image of the highlighted thermal image is displayed; and on the right bottom, a photo is displayed (from IRB or *.jpg file). If the thermal image saved to the IRB contains further data, this is indicated by the following letters in the left upper corner of the preview image: V: photo, digital image (Visible) A: audio file S: image sequence, serial file
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■ ■ ■
Fig. 85: Load single file: selection of thermogram and visual image
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Fig. 84: Menu item "Load". dropped down "Load" sub-menu
In f
The button can be used in order to highlight files and directories; and the button can be used to delete files and directories. In order to avoid any accidental loss of data, the process of deleting files must be confirmed in a dialogue:
Fig. 86
Dialog "Delete file"
The file selected from the file list (highlighted blue) is displayed (large) by using the Enter button
.
When the image is shown in its enlarged size, the right/left buttons can be used to navigate to the next and/or previous image in the file list. If a photo is saved in the IRB, this photo is shown as a miniature version to the left of the thermal image. The button can be used to toggle the display between thermal image and photo. A voice comment contained in the IRB can be played by using the button. The loaded image can be deleted by using the button.
In order to exit the full screen display, use the button images can be displayed again.
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so that subsidiary and file lists as well as preview
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Fig. 87
Selected thermogram
Fig. 88
Selected visual image (photo)
Fig. 89
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The "Load Gallery" sub-menu function can be used in order to quickly find files from preview images.
Selecting images from the gallery
After the function is started, the directories are shown as index cards, the contents of which can be opened and then displayed by preview images by using the Enter button
in each case. Within the
In f
gallery, the joystick can be used for navigation purposes. In the event of more than 20 directories and/or files, it is possible to scroll out of the display area. In analoguey to the single image display, the Enter button must be pushed on the preview image in order to show the file in its enlarged size. The functions available at this point correspond to the functions of the single image display (see above, see also Fig. 87 and Fig. 88). Possible is then, for example, the change of the representation scale of the loaded image
For subsequent processing of the opened enlarged images of „Single file“ or „gallery“ the Enter button must be pushed again. When charging, the status indicator in the upper right corner of the image changes accordingly: . With the now available (limited) menu settings an analysis and editing of the loaded thermal image can be carried out. Possible is then, for example, the change of the representating scale of the loaded image (see chapter 9.1.1 Menu item "Manual" – page 36), measurements in the image (see chapter 9.3.1 and 9.3.2 from page 56) or the change of correction parameters (see chapter 9.3.3 Analogue output * – page 61). The original stored comment to an image can also be changed here. Please note that the displayed date and time are constantly updated and therefore do not correspond with the acquisition time of the image.
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Thermography System VarioCAM® HD 9. Introduction
Fig. 90
Loaded image (preview)
Fig. 91
Analysis and editing of the loaded image
Fig. 92
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When leaving the opened image, all changes must be saved in file with the following dialogue field:
Dialogue save changes
9.2.2.2 Loading and Playing Sequence Files
With VarioCAM® HD stored real-time sequences (see Chapter 9.2.3.1 Real-time saving. page 51. in the upper left corner of the preview image), single files from file lists or from
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characterized by
gallery displays are first loaded by clicking
. For quick selection of the desired playback point within
longer sequences, the starting point can be marked with ,
stops the playing and returns you to view the file list or gallery
In f
playback is started and paused with display.
in 10% increments (see Fig. 93). The
Fig. 93
Loaded sequence file
Fig. 94
Play sequence file
Play is marked in the top right of the image area by the button, while in the lower part of the camera menu, a progress bar and the current frame number as well as the total number of images of the sequence file are displayed (see Fig. 99 Automatic save). This can be different from single files in that no measured values are displayed, nor can the scale be changed. For a detailed analysis of a sequence file, IRBIS® 3 evaluation software should be used.
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In addition, no other picture elements are displayed when the sequence file is being played. The scaling and range of the represented sequence file is adjusted automatically, regardless of the temperature rage and scale used at the time of recording.
9.2.2.3 Loading and Playing Video Files With VarioCAM® HD recorded video sequences (see Chapter 9.2.3.2 Video saving, page 52. characterized by AVI file extension in the file list or the
icon in the gallery view) single files can be
Fig. 95
Loaded video file
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c
loaded from file lists or gallery display with the icon. Playback can be started and paused by pressing Enter, while stops playing and returns you to view the file list or gallery display.
Fig. 96
Play Video File
9.2.3
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Play is marked in the top right of the image area by the button, while the name of the video file is displayed simultaneously under the video image (see Fig. 95).
Menu item "Save"
of the VarioCAM® HD can be used to save the
In f
Along with single image saving, the save button following, depending on the equipment: ■ ■ ■ ■
Thermal image sequences with the maximum frame rate (real-time saving) Series of single images (thermal image and photo) Video sequences (thermal image, digital image or merge) as AVI Audiodateien (unabhängig von Thermobildern) als WAV-Datei
"Real time" "Autosave" "Video" and "Audio"
The menu item "Saving format" can be used in order to set the data and formats to be saved (see chapter 9.2.7 Menu item "Saving format" – page 55).
9.2.3.1 Real-time saving The maximum writing speed possible for real-time saving* depends on the detector and the geometric resolution, as well as on the properties of the used SDHC-card. In order to achieve the maximum real-time saving frequency, we recommend using transcendextreme-speed SDHC-cards. Please check before starting real-time saving that sufficient memory space is available on the used SDHC-card.
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Real-time saving is started and terminated (immediately) by pushing the Enter button in the "Real time" sub-menu. The following displays are shown with the real-time saving function executing (additionally to the live image), see Fig. 97 Real-time saving indication – page 52: ■ ■ ■
Activated real-time saving function by checkmark in the menu Red dot for currently executed saving, as well as the time elapsed since the start on the right side below the palette SDHC-card symbol in the symbol line on the right side below the thermal image: yellow (permanent write access)
c
During real-time saving, only thermal images are stored in the IRB format. This way, it is possible to subsequently edit and correct the digital data of the sequence using the IRBIS® 3 analysis software. Precise temporal allocation of the data is ensured by consecutive numbering of the single images within the sequence and by saving time stamps in the header.
In f
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Te
When (geometrically) allocating the thermal image sequence to a photo of the scene, it is recommendable to install the VarioCAM® HD on a tripod in a stationary manner and to save a photo before or after real-time saving in Merge mode.
Fig. 97
Real-time saving indication
9.2.3.2 Video saving
If the saved data of a serial measurement does not require any radiometric editing or if displaying the temperature by means of shown measuring objects and/or allocating the temperatures using the false colour representation is sufficient, video saving can be performed (as an alternative to real-time saving of the digital raw data). In this case, the currently displayed image area. including all selected image elements (for the setting see chapter 9.1.5 Menu item "Elements" – page 43) is saved as a video sequence (AVI file) and can be displayed with generally available player software (media player). The menu (to the left of the image), as well as the help and status symbol lines (below the image) are not saved in the video. In analoguey to real-time saving, video saving can be started and/or deactivated (immediately) by pushing the Enter button
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in the “Video” sub-menu.
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If the VarioCAM® HD is to be used as a “classic video camera” for real images (“visible”), the image mode must be set to "Digital image" in the "Settings" menu (see chapter 9.1.2 Menu item "Mode" – page 37). It is furthermore possible to record videos in the “Merge” image mode upon corresponding previous selection. Since, taking the saved video data as a basis, no subsequent temperature correction for changed parameters (emissivity, ambient temperature, transmission, path temperature) is possible, these parameters should be set correctly before the recording procedure begins. Furthermore, possibly required measurement definitions (measuring points or areas) should be defined before starting the measurement. Image mode, temperature scale, palette settings and measurement definition can also be created or changed during video recording, but they can no longer be changed in the saved video.
9.2.3.3 Automatic save (Autosave)
Fig. 98
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The "Autosave" function is used for serial recording of slower changing temperatures and simultaneously saving thermal image and photo. The data and formats to be saved in turn are defined in the "Saving format" menu item (see chapter 9.2.7, page 55). The available saving speed is influenced by the settings made at this point, but also depends on the detector format and the properties of the used SDHC-card, just like with real-time saving.
Menu item "Save"
Fig. 99
Automatic save
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In order to start automatic saving, the start time (date, time) and the saving interval and the number of thermograms to be saved must be defined initially. As an alternative to "Interval" and "Count", the duration of series saving, otherwise calculated from the values for interval and number of images (Count), can also be defined. Depending on the selected saving format, the minimum time interval is shown. When opening the settings dialogue using the Enter button in the "Autosave" sub-menu, date and time of the camera clock are accepted as start time. After having accepted all settings and after closing the dialog by clicking OK (or using the button), series saving starts immediately. If a later start time is required or if recording is to be started on a different day, the date and the start time must be changed accordingly. Then, the dialogue must also be closed by clicking OK (or using the button) and the activated series measurement is indicated with a red dot below the palette. However, the first image is then only saved at the set point in time so that a value of “0/nnn” is shown below the palette. Series saving ends when the defined number of images is reached and/or the selected duration has elapsed, but can also be stopped
by pushing the Enter button in the "Autosave" sub-menu. The dialogue opening thereafter allows for aborting or continuing the current series measurement:
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Fig. 100 Continue/abort autosave dialog
9.2.4 Menu item "Directories"
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The directory structure and establishment of customer-defined directory names is described in detail starting on page in chapter 9.2.1. Directory structure of the VarioCAM® HD .
Menu item "Comment"
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Thermograms can be equipped with comments with the help of an editor to be opened in the "Comment" menu item. These comments are saved to the header of the IRB file and are available during analysis using IRBIS® 3 or IRBIS® 3 report.
Fig. 101 Menu item "Comment"
There is a keyboard for entering alphanumeric characters, whereby this keyboard is shown by pushing
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the Enter button in the comment line. The keyboard can simply be navigated with the joystick . Capital and lower-case letters are switched similarly to a computer keyboard. There is an additional keyboard page for numbers and selected special characters. A maximum of 50 characters can be entered. The number of the current character is indicated on the upper margin of the keyboard. The keyboard input is finished by pushing the
button, and then the input text comment is accepted by
clicking OK and/or by using the button. The comment is also saved when saving the camera configuration (see chapter 9.4.8 Menu item "System" – page 75).
Fig. 102 Comment editor: keyboard letters
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Fig. 103 Comment editor: keyboard numbers. special characters
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9.2.6
Menu item "Format SD"
If all data saved to the SDHC-card is to be deleted, this can be done by formatting the card. The corresponding function must be started in the "Format SD" menu item.
Fig. 104 Menu "Format SD"
Fig. 105 Dialogue for confirming the formatting of the SD-card
After having clicked the "Format SD" item, a dialogue is displayed that must be confirmed by pushing the
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Enter button in order to delete all data from the card and to re-format the card. After the card is formatted, all data is deleted irrevocably.
Menu item "Saving format"
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This process cannot be undone!
Fig. 107 Setting the saving format
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Fig. 106 Menu item "Saving format"
Using the "Saving format" menu item, data to be saved in addition to the thermal image and its format can be selected, and furthermore settings to be made in connection with the process of saving can also be selected. For this, a dialogue is shown (see also Fig. 107). The following table shows the selectable settings: Selection
Format
Digital image
Saving the visual image synchronously with the thermal image
.irb thermal image and photo in one file .jpg photo in separate file (1.024 x 720) 8 MP (3.264 x 2.448)
Audio comment
Saving the audio files
.irb thermal image and audio in one file .wav audio in separate file
Measurement definitions Screenshot
Saving measurement definitions
.irb (no selection possible)
Graphics file screenshot
.png (no selection possible)
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Autofocus
Automatic focusing is performed before saving.
Compensation
NUC (Non Uniformity Correction) is performed before saving.
Light
The photo light is switched on before saving.
9.3
Menu "Measure"
The menu "Measure" summarises all temperature measurement functions. The structure of the menu is illustrated by Fig. 108. The individual menu items are described in more detail below. In order that measured values are displayed, the corresponding setting in the "Image elements" menu must be activated (see chapter 9.1.5 Menu item "Elements" – page 43).
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Menu items "Maximum" and "Minimum"
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9.3.1
Fig. 108 Menu "Measure" – "Maximum" and "Minimum"
Fig. 109 Thermogram with displayed temperature maximum and temperature minimum
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It is possible to display the (global) temperature maximum and/or temperature minimum within the thermal image by selecting the options "Maximum" and "Minimum". Position and value are consistently updated within the image. Regardless of the palette selected for false colour representation, the maximum is red and the minimum is blue.
The maximum and minimum values are only displayed within the central image area where no other system indications are displayed. These indications are not contained in the thermal images saved digitally, but can be saved when saving the display as screenshot. With the help of the IRBIS® analysis, software, it is possible to show the maximum and minimum values in the entire image area in the event of subsequent editing of the saved thermal images.
9.3.2
Menu item "Measurement definitions"
Fig. 110 Menu item "Measurement definitions" 56
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Fig. 112 Menu item „measurement definitions“, ROI created
Fig. 113 Menu item „measurement definitions“; ROI hidden
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Fig. 111 Menu item „measurement definitions“, no ROI created
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The "Measurement definitions" menu item can be used in order to define differently shaped measuring objects (ROI, regions of interest). The VarioCAM® HD supports the simultaneous display of 8 different measurement regions (global and 7 partial ROIs), which the local maximum and minimum values can also be displayed for in each case, along with the average value. If previous measurement objects are still saved in the database, the editor can be started using the menu “Measurement definitions”. Already created measurement objects or its identifier can be hidden:
Fig. 114 Menu item „measurement definitions“, identifier of ROI hidden
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The following shapes of the measuring objects can be selected: ■ Point (P) ■ Line (L)* ■ Polygon line (PL)* ■ Rectangle (R) ■ Ellipse* ■ Polygon (PG)* In order to create a new ROI, you must initially open the “Editor” (Editor) sub-menu and select the required format of the measuring object at "New". Already stored ROI can be hidden or shown by pressing the icon. Location and emissivity of the measured objects can be stored with the thermography data, so that evaluation with identical ROI can easily be performed later. The setting for this can be found in the storage format menu (see chapter 9.2.7 Menu item "Saving format" – page 55).
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9.3.2.1 Measuring point P
Menu item "Point"
Fig. 116 Shown ("active") point
Fig. 117 Moved point. exit editor
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Fig. 115
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The shape of the ROI and the index of the measuring object active in each case are displayed in the left top of the editor menu (see also point P1 in Fig. 117. ellipse E2 in Fig. 128). A measuring point is initially created in the centre of the image and can be moved in the image area by using the joystick
. The “active” point is identified with a red square in crosshairs as well as an identifier
shaded in gray. After the position of the point is reached, the editor is exited by pushing the Thereafter, the red mark on the point is no longer visible.
button:
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While the measuring objects are being moved, the measured value is not updated.
9.3.2.2 Line L*
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The position of the measuring line can be defined by moving one of the terminal points or by synchronously moving both terminal points simultaneously. The respective “active” point and/or both points are also marked red in this (see Fig. 119):
Fig. 118 ROI selection "Line"
Fig. 119 Editor, Line indicated in the thermogram
Fig. 120 Settings for "Line"
If the button is pressed in the editor, the settings dialogue for displaying the measured values is shown. For surface areas and lines, the maximum and minimum can be shown as values and as spot in the image, along with the average value. Furthermore, the identifier of the measuring object can be hidden and the (local) emissivity for the measuring object can be set. A further line can be created by
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pushing the button without exiting the dialogue. The current line can be deleted within the dialogue by using the button; the dialogue is closed by pushing the button. Along with the option of deleting individual ROIs in the respective editor by using the button, all created ROIs can be deleted simultaneously using the corresponding dialogue to be confirmed:
Fig. 122 Dialog to confirm "Delete all ROIs"
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Fig. 121 Delete all
9.3.2.3 Rectangle R
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A rectangle selected in the “Editor” sub-menu in the "New" menu item is initially displayed as a square in the center of the image. Height and width can be changed using the joystick by changing the position of the marked spot (see Fig. 123 and Fig. 124). If the position of the rectangle is to be changed, please
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initially push the Enter button . The rectangle is then highlighted by a red dot in its center and can be moved using the joystick without any changes to its shape (see Fig. 125).
Fig. 124 Rectangle – change size
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Fig. 123 Rectangle – change size
Fig. 125 Rectangle – move
9.3.2.4 Ellipse E*
The measuring object "Ellipse" selected in the "Editor" sub-menu in the "New" menu item is initially displayed as a circle in the center of the image. The shape can also be changed by using the joystick (red mark on line, see Fig. 126), the position can be changed after pushing the Enter button (red mark in the center of the circle, see Fig. 127). Another ellipse can be created using the
Fig. 126 Ellipse – change size
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Fig. 127 Ellipse – move
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button.
Fig. 128 Ellipse – change size
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9.3.2.5 Polygon PG*
Fig. 130 Polygon – creating a new point
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Fig. 129 Polygon – moving the starting point
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The VarioCAM® HD supports polygon planes with a maximum of 11 points, the position of which can be defined freely. After having defined the position of a (first) point (Fig. 129), a new point is created every time the Enter button is pressed longer (Fig. 130. Fig. 133). whereby this new point can be moved to its target position. Once more than one point is created, the Enter button can be pressed shortly in order to toggle between the points in a circulating manner, the position of which can still be changed in this case. When the third point is created, this third point is connected to the starting point defining a plane (Fig. 132). The Enter button must be pressed longer in order to create the next point starting from the active point in a clockwise direction, which can then be moved with the joystick and saved by pressing Enter. When all points are highlighted, the polygon plane can be moved without any changes to its shape (Fig. 134).
Fig. 133 Polygon – creating a new point
Fig. 134 Polygon – moving the entire plane
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Fig. 132 Polygon – moving the 3rd point
Fig. 131 Polygon – moving a new point
Individual points can be deleted by activating them with the cursor and pressing Enter for a longer time. The activation is indicated by a red circle around the respective point (fig. 116).
9.3.2.6 Polyline PL*
In analoguey to the polygon (plane), a line can also be created with a maximum of 11 support points:
Fig. 135 Polyline – moving the 3rd point
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Fig. 136 Polyline – 5th point created. but not moved yet
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Fig. 137 Polyline – moving all 11 points
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9.3.3 Analogue output *
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In addition to displaying and storing temperatures, VarioCAM HD enables the optional output of temperature-dependent analogue signals, 2 analogue outputs are available on the BreakOut-Box* for this:
Fig. 138 connection of analogue outputs 1 and 2 on the Breakout Box
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The connection is made to the terminal strip of the BreakOut-Box via port 1 (AOUT1) and 2 (AOUT2) as well as 3 and 6 for the reference potential GND of both channels. Output voltages are of 1-5 V. A voltage of 0 V during active analogue output indicates an error. The outputs are short circuit proof, but should be completed to high impedance for use of temperature-proportional voltage (R> = 1 MΩ). The digital-toanalogue conversion is performed with a resolution of 8 bits, so that the values range from (1 ... 5) V dissolved by 255 steps with a minimum step width of 15.686 mV. The voltage output voltage always refers to the currently used calibration (see chapter 9.4.1 Menu item "Calibration" – page 68).
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Examples: 1. First Calibration Range -40…120°C:
2. Second Calibration Range 0…500°C:
T <= -40 °C T = 24 °C T <= 0 °C T = 24 °C T = 145 °C
U = 1.00 V. T >= 120°C U = 5.00V U = 2.60 V = (64 * 4 / 160) +1 U = 1.00 V, T >= 500°C U = 5.00 V U = 1.192 V = (24 * 4 / 500) +1 U = 2.16 V = (145 * 4 / 500) +1
The activation of the analogue outputs is done via the settings menu of the corresponding measurement object:
Fig. 139. 140: Activation of the analogue outputs – Example: ROI
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With the measurement object line, polyline, rectangle. Plygon, ellipse, the analogue signal can also refer to maximum or minimum temperature. For an ROI, however, only one value (the average or maximum or minimum) can be selected and linked to one of the two analogue outputs. Should two analogue signals be needed, for example the average and maximum of one surface, this must be entered twice.
Fig. 141. 142: Activation of the analogue output - example rectangle: maximum or minimum The assignment of average, maximum or minimum for analogue output is done by choosing from the measured value display. For the settings, the following rules apply: Measured value display
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Analogue value output depends on ■ Mean ■ Maximum ■ Minimum
Mean or no selection Maximum, mean value must not be selected Minimum, average and/or maximum must not be selected
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If additional display are shown that are not in accordance with the desired analogue value output, for example display of the maximum for analogue output dependent on the minimum, an additional, identical ROI must be set for the additional display. The activated alarm is displayed as a sine symbol in the status line:
Fig. 143: 62
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9.3.4
Menu item "Correction"
The "Correction" menu item can be used in order to enter the correction parameters emissivity and ambient temperature, as well as path temperature, relative humidity, transmission and distance in accordance with the current measuring situation. These values are stored with each thermal image and can be displayed and changed, if required, during subsequent editing of the thermograms using the IRBIS® 3 analysis software. Taking into consideration the real measuring conditions, particularly the: ■ ■
Surface properties of an measuring object and the temperature level of the environment Transmission of the optical channel, path temperature and distance.
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The parameters emissivity and ambient temperature, as well as path temperature, relative humidity, transmission, and distance allow for precise temperature measurement. In order to properly enter the respective correction parameters, exact knowledge of the real properties of the measuring object, as well as of the ambient conditions and the measurement setup is required. The correction parameters are accepted globally for the entire image.
Fig. 144 Menu item "Correction"
Fig. 145 Settings "Correction"
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The VarioCAM® HD works with a wavelength range of (7.5 … 14) µm. The influence of the atmosphere on the measurement result can be neglected during the majority of the measurements in this range – therefore, the transmission degree is set to 1.00 ex factory. Only in the event of measurements over longer distances (over approx. 100 m) and/or through additional window materials, gases and fog, will the transmission decrease and the path temperature, the relative humidity and/or transmission (dew), and distance should be defined and taken into consideration.
The option "Materials" provides an alphabetically sorted collection of the emissivity of different materials, within the framework of which the different surface conditions are partially taken into consideration. When material and condition (status) are selected, the emissivity of the selected material is accepted as global emissivity.
Fig. 146 Material table – material selection
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Fig. 147 Material table – condition/”status”
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The factory setting of the emissivity is 1.00. Therefore, it is assumed that 100 % of the measured radiation is emitted by the measuring object. The measuring object corresponds to the "ideal black-body emitter" and is non-reflective. If the actual (lower) emissivity of the measuring object is to be taken into consideration, it is absolutely necessary to also determine the ambient temperature ("reflected temperature"), which must also be entered as a correction parameter. The ambient temperature frequently differs from the air temperature or even from the temperature of the camera.
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Saving the distance is of particular importance for a number of measuring situations, for example in order to be able to also perform geometric measurements within the thermograms when analyzing the thermograms. However, if "manual" is the option selected for setting the distance, the distance input with the correction parameters is only saved within the thermogram. This is suitable in the event of stationary measurement setups where the distance between camera and measuring object does not change and can be determined easily. If the "Automatic" option is selected, the distance calculated from the process of adjusting the focus is displayed after each manual or automatic focusing ("Dist", see chapter 8.2.1 Elements of the user interface – page 28) and saved within the thermal image. The laser rangefinder* (LRF) integrated into the VarioCAM® HD allows for precise distance measurement up to a distance of approx. 70 m (see chapter 9.3.8 Menu item "Laser" – page 66). If the "Automatic" option is selected, the distance measured with the LRF before the image was recorded is saved to the thermal image once the focus setting is changed afterwards.
Fig. 149 Distance – Automatic
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Fig. 148 Distance – Manual
The distance entered for the correction parameters does not retroact on the focus.
9.3.5 Menu item "Difference"*
When activating the function "Difference" the temperatures of the previous image content will be deducted from the temperatures of the current image pixel by pixel. This function can be very helpful if very small temperature changes should be displayed, but the scene has a larger temperature gradient. If areas of the scene warm up after activating the function “difference”, positive temperatures are displayed. When cooling down, negative temperatures are displayed. When activating the function “difference” the difference mode is displayed in the upper right corner of the image above the palette: . The display of the temperature scale °C to the left of date/time disappears. All temperature differences are shown in Kelvin, independent of the choice of the temperature unit in menu item “System Regional” (see chapter 9.4.2 Menu item "Subframes"* – page 69). The temperature scale setting is being adjusted when switching in the “difference” mode.
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All correction parameters must be correctly set up before you use the difference image function and subsequent image storing. A subsequent change of this in the difference image is no longer possible.
9.3.6
Menu item "GPS"
Fig. 150 Menu item "GPS"
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The GPS receiver integrated into the VarioCAM® HD is activated in the "GPS" menu item. After having switched on the GPS receiver, the function of the GPS receiver is displayed on the right-hand side below the Jenoptik logo as a symbol. When the GPS receiver is activated, the display of the GPS data (latitude, longitude, satellites) can also be activated in the first information line in the "Image elements" menu (see chapter 9.1.5 Menu item "Elements" – page 43). When switching off the GPS receiver, the first information line is hidden automatically.
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Along with latitude, longitude and the number of satellites, further GPS information is saved together with the thermal image: height, speed and bearing.
9.3.7 Menu item "WLAN"*
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VarioCAM® HD has a WLAN interface through which selected camera functions can be remote controlled. For an optimum transmission quality, the wireless antenna must be mounted on top of the camera (see Fig. 1 View from the side – page 14) and then placed vertically. The activation is done in the menu item “WLAN” and is displayed with the icon
Fig. 151 Menu item "WLAN"
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Fig. 152
in the info line.
Active WLAN with info line
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Fig. 153 WLAN Settings: detailed information
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The remote-controlled use of VarioCAM® HD with WLAN is done with IRBIS® 3 remote* as described in the user manual for IRBIS® 3 remote.
9.3.8
Menu item "Laser"
The laser range finder* (LRF) integrated into the VarioCAM® HD allows for precise distance measurement depending on the target size, the angle, and the surface properties up to a distance of approx. 70 m. Along with the activation in the "Laser" menu item, the LRF can also be activated and deactivated directly by pushing the multi-function button
(factory setting). When this function is activated, the yellow laser
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symbol will be displayed in the tool bar below the Jenoptik logo simultaneously with an acoustic signal (2 x beep). The laser pointer, integrated depending on the equipment, is activated analogueously.
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With integrated variants without laser range finder, measurement objects can be marked with a laser pointer without measuring the distance. This function as well as LRF without updated distance measurements can be turned on/off with the button “Laser”.
Fig. 154 Menu item "Laser"
Fig. 155 Display of the laser symbol in the tool bar
On the front of the device, the VarioCAM® HD is equipped with a laser range finder* (LRF) and/or laser pointer* generating a visible laser beam. Avoid looking directly into the laser beam and do not point the laser beam to other persons. This may damage their eyes. When installing the thermography system to machines and systems in a stationary manner, it must be ensured that the laser beam is not located at eye level.
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9.3.9
Menu item "LRF - AF"* (Laser range finder supported autofocus)
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Fig. 156 Menu item „Laser range finder supported autofocus“
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The activation of the "laser rangefinder autofocus" feature will support the temperature-contrastdependent focus settings by measuring the object distance with the laser rangefinder beforehand. This is especially helpful when high-contrast objects with different object distances are located in the centre of the image. To use this feature, start the autofocus and then point the laser at the measurement object.
9.3.10 Menu item "LRF - PAF"* (Permanent LRF supported autofocus)
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In order to correct the focus setting under constantly changing object distances, the function “LRF – PAF” (permanent laser range finder supported autofocus) can be activated for distances up to 70 m. Here, the distance of the measurement object is continuously measured by the laser range finder, and compared with the previous distance. For distance changes more than the current range of focal depth allowed, an automatic correction of the focus settings will be performed.
Fig. 157 Menu item "permanent LRF supported autofocus"
9.3.11 Menu item "Light" In order to improve the image quality of visual recordings under poor light conditions, the LED video light can be activated by pressing the button “Light”. Alternatively, it can also be turned on or off with the multifunction button (factory setting).
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Fig. 158 Menu item "Light"
9.4
Menu item "Settings"
9.4.1
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Fig. 159 Menu item "Settings"
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The "Settings" menu contains functions for system and hardware setting regarding the VarioCAM® HD, Fig. 159 shows the "Settings" menu.
Menu item "Calibration"
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Ex factory, the VarioCAM® HD is calibrated for measuring temperatures in the range of (-40…1.200) °C*. Depending on the equipment, the total measuring range and the individual ranges of your device may deviate from this standard calibration. The actually available ranges can be found in the "Calibration" menu item:
Fig. 160 Menu item "Calibration"
Depending on the object temperature and the measurement assignment, the measuring ranges can be set manually or automatically. However, it must be ensured that the temperature of the current scene does not exceed the set range in order to avoid overloads within the thermogram. The VarioCAM® HD is equipped with a highly sensitive uncooled microbolometer detector. The object radiations occurring in thermographic practice do not induce any changes to the detector. However, overloads exceeding a black body radiation of 1.000°C in the measuring ranges 1 and 2*, as well as 2.000 °C in measuring range 3* may result in irrevocable damages and thus must be avoided.
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In order to prevent an exceeding of the limits of the set calibration range, the option "Automatic"* of the menu item "Calibration" can be activated to automatically adjust the calibration settings to the currently observed scene. The toggle time of the calibration range depends on the maximum temperature of the current scene. If the temperature exceeds the maximum temperature of the current calibration range, the camera automatically switches to the next higher range. When using the VarioCAM® HD for mobile applications and in the event of a constantly changing scene, we recommend deactivating the automatic measuring range setting (factory setting).
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9.4.2 Menu item "Subframes"*
Fig. 161 Menu item "Subframes"
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Depending on the VarioCAM® HD model, higher frame rates* can be used. Therefore, fast changing temperature differences and mobile objects can be visualised. For this, the size of the displayed image is reduced. The sub frame formats are only for cameras with XGA detectors of (1.024 x 768) IR pixels that can be activated in the menu item “image format”. Alternatively, the settings for sub frame or calibration range can also be changed with the remote control menu of the Software IRBIS® 3 online. The functionality of VarioCAM® HD is limited in the sub frame mode. Data storage in the sub frame mode is only possible in conjunction with IRBIS® 3 online. The VarioCAM® HD with detector format (640 x 480) does not display images on display/searcher or CVI/VGA. The use of the sub frame mode with this camera model is only possible with GigE-Interface. The use of sub frame modes influences the date shown in chapter XX on page XX.
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The following image formats (IR pixels) and frame rates are selectable: Detector formats Full screen Half screen Quarter screen line
XGA (IR pixels) (1.024 x 768) 30 Hz (640 x 480) 60 Hz (384 x 288) 120 Hz (1.024 x 96) 240 Hz
VGA (IR pixels) (640 x 480) (384 x 288) (640 x 120)
60 Hz 120 Hz 240 Hz
Fig. 162 Sub frame formats and frame rates
9.4.3
Menu item "Extras"*
Fig. 163 Menu item "Extras" User Manual
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The settings that can be selected in the "Extras" menu item activate the following functions: Premium* A camera-internal compensation (NUC) is performed before each saving. RE* "Resolution Enhancement" – In order to save the image, the hardware-based microscan procedure is activated (recording procedure in order to increase the geometric resolution). The thermal image is scanned optically several times, whereby the geometric resolution from (1.024 x 768) to (2.048 x 1.536) and/or from (640 x 480) to (1.280 x 960) IR pixels is reached by shifting the pixel allocation by half a pixel width in each case. In order to use the Resolution Enhancement function, the thermography system must be positioned firmly (tripod) and this function is only suitable for measuring objects with a constant temperature. ■ DRE* "Dynamic Resolution Enhancement" – In addition to the activation of the Resolution Enhancement function’s hardware, the motions of the microscan mechanics and the measuring objects are used by means of specific software routines in order to increase the geometric resolution. This way, the function is also suitable for manual operation and moving objects. ■ Eversharp* The images are stored as an image series in a file. With the activation of Eversharp/ multi-focus function, the focus setting is changed gradually for shorter and further distances between the individual recordings. In this way, all parts contained in the current scene of the image can be captured sharply in at least one of the individual recordings. When loading the Eversharp sequence IRBIS® 3 calculates from the Eversharp sequence a deep sharp image. The display of distance corresponds to the initial setting. A display of distance corrected images with VarioCAM® HD is not possible. ■ Settings* Parameterisation of Eversharp function; the setting is explained below:
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Fig. 164 Eversharp (Multi-focus) setting of number of steps
Fig. 165 Eversharp (Multi-focus)setting of step range
Depending on the lens, the object distance, and object used, changing the Eversharp/ multi-focus parameter may be necessary for optimal image correction. For shorter distances and scenes with very different intervals of individual image parts, a greater number of steps are recommended. The number of steps corresponds to the number of recordings, and after the last shot, focusing is reset to the initial settings. It can be adjusted from 3 to maximum 10 steps (=single shot). In turn, the lens, the object distance and object also depends on the step range: For small differences, the setting is “minimum or small” and for greater differences, the setting is “normal or large”. The use of the Eversharp/ multi-focus function requires the permanent installation of the camera. The function is not suitable for moving objects and measuring of rapid changes in temperature.
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For the evaluation of recordings made with the Eversharp/ multi-focus function, the analysis software IRBIS® 3 is necessary since the calculation of the deep sharp thermograms is only possible with this PC software. A display of the corrected thermograms with VarioCAM® HD is not possible!
9.4.4
Menu item "Compensation"
Fig. 166 Menu item "Compensa tion"
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In order to implement the specified measurement accuracy, the VarioCAM® HD performs an internal compensation (factory setting). In this, the optical channel is closed for a short period of time by means of a shutter. The shutter is part of the optomechanics. It is swiveled into the optical path for a short time as reference.
Fig. 167 Compensation settings
Abb. 168 Einstellungen "Abgleich" Empfindlichkeit
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In the Shutter Interval mode, the interval for an automatic compensation can be set (see also Fig. 167). For this, the time after which an automatic compensation is to be performed must be entered in seconds. The limitations for the interval to be specified are between 5 sec and approx. 16 min (995 sec). Once the entered value exceeds or falls below these limits it is adapted automatically. The recommended factory setting is 60s. Immediately after start-up of the VarioCAM® HD the shutter interval is adapted automatically by the internal camera control depending on the change of the device temperature over the course of the first 5 minutes. During this time, the time specified for the "Intervall" option is ineffective.
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In the Shutter "Automatic" mode, the parameter “sensitivity”, depending on the measurement situation and requirements, can be set up in the stages “strong”, “medium” or “weak”: for maximum accuracy, but at the expense of shorter compensation intervals, the sensitivity level “strong” can be chosen. Here, very small changes of the camera temperature already lead to compensation. If short compensation intervals are not desired due to the short interruption in data transfer, the sensitivity level can be adjusted to “medium” or “weak” with less measuring accuracy. Therefore, only medium to bigger changes in camera temperature lead to compensation and the compensation interval is extended. The VarioCAM® HD’s specified measurement accuracy requires the compensation interval "Automatic" or "Interval" (compensation interval of a maximum of 60 s).
When switching the compensation to the "Object" option, the function is referenced to the current scene. As a consequence, this results in a differential representation referring to the scene present at the moment of compensation. This way, it is possible to visualise very small changes in temperature even with comparatively high scene dynamics.
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9.4.5
Menu item "Buttons"
The VarioCAM® HD can be adapted flexibly to different requirements by individually assigning functions to the control buttons. The button function can be specified in the "Buttons" menu item.
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Fig. 169 Menu item "Buttons"
Functions Short/long (M: halfway/completely) Range adaptation Compensation long Compensation (long) Compensation + range adaptation
Explanation
Temperature scale according to the scene NUC (Non-Uniformity Correction) NUC Reset + NUC NUC and temperature scale in accordance with the scene For manually setting Level/range For manually setting Maximum/Minimum Laser rangefinder/laser pointer on/off Photo light on/off Start/stop real-time saving Start/stop video saving For manually setting Level/range For manually setting Maximum/Minimum For setting the zoom For setting the isotherms Switch-over image mode Infrared image – Digital image Show/hide isotherms Show/hide global Minimum Show/hide global Maximum Show/hide global Minimum and Maximum Next palette Insert palette Switch-over colour - black/white palette Stop the live image Freeze Freeze the image Freeze or store
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Buttons
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The following table contains a summary of the different functions* selectable for the different buttons. In order to identify the button function as set ex factory, the button symbols are assigned accordingly in the function column. An overview of the factory button assignment can also be found in fig. 138 on page 63.
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“Level/range” menu “Max/Min” menu Laser on/off Light on/off halfway Real-time saving Video saving Level/range menu long Max/Min menu long Zoom menu Isotherms menu Infrared/Digital image
Long
Isotherms on/off Minimum on/off Maximum on/off Minimum and Maximum on/off Switch-over palette Invert palette B/W palette colour Freeze image completely Freeze or save image
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The functions can be set in the corresponding input field for the respective button:
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Fig. 170 Button function settings
Fig. 171 Button assignment – factory settings
9.4.6
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It is possible to assign one function to several buttons at the same time.
Menu item "Alarm"
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The "Alarm" menu item can be used in order to define conditions, the fulfillment of which will trigger the camera to perform actions.
Fig. 172 "Alarm" (Alarm) menu item
Fig. 173 Alarm definition settings
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The activated alarm function is displayed in the toolbar below the logo with the symbol . The header in the setting menu 'Alarm Definition' is also shown in red. These displays are made irrespective of whether an alarm condition is met or not. For two measurement objects (1. ROI and 2. ROI) temperature thresholds can be defined, that apply to the average (“Avg”), temperature maximum (“Max”) or temperature minimum (“Min”) of the corresponding measurement object or the overall picture (“Global”). For each ROI and the corresponding temperature threshold, a comparison is defined: > or <, where for “max” only > and “Min” only < selectable is. If these defined conditions are met, the following actions can be performed: ■ ■ ■ ■ ■ ■ ■ ■
OSD IRB COM Audio DO1 DO2 AO1 AO2
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Alarm indication on display viewfinder including display of achieved condition Image storage according to setting storage format Alarm signaling via RS232 interface * Acoustic alarm signal output Alarm signal at the digital output 1* Alarm signal at the digital output 2* Alarm signal at the analogue output 1* Alarm signal at the analogue output 2*
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Two (different) alarm conditions can each trigger different actions or can also be logically linked together (AND/OR). Several actions are selectable for each condition. When selecting AND linkage it means both alarm conditions must be met. Only then both conditions will be run for the set alarm actions. When selecting OR linkage it means that only one condition must be met. Only the selected condition will be run for the set alarm condition. Different audio signals are displayed for Max >, Avg >, Avg < and Min <4 as audio alarm so that an acoustic differentiation of various alarms is possible. When selecting OSD, the alarm is shown on the display/viewfinder.
Fig. 174 Alarm indication when the average value is exceeded
9.4.7
Menu item "Configuration"
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You can save your individual device settings as device configuration in the VarioCAM® HD. This way, you can configure and, if required, reload user and/or application profiles matching different requirements. Additionally, you can define actions the camera is to perform when the system is started. These actions are also saved to the corresponding configuration.
Fig. 175 Menu item "Configuration" The "Configuration" menu item contains the following sub-menus: ■ Load configuration ■ Save configuration ■ Load default
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Fig. 177 Saving the configuration
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Fig. 176 Loading the configuration
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Fig. 178 Loading the factory settings
As an alternative to a configuration name generated automatically consisting of a date and a time, e.g. cfg_20120622_1530, a name consisting of a maximum of 20 characters can be edited in order to save the configuration.
Menu item "System"
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When loading the factory settings, all previously made system settings will be undone. If settings must possibly be re-used at a later point in time, we recommend saving a user configuration beforehand.
Fig. 179 Menu item "System" The "System" menu item contains the settings and information about the basic functions of the VarioCAM® HD. Along with the settings for language, date and time, which as a rule must only be configured rarely, it is possible to set the brightness of the viewfinder* and the display, to set the font size, as well as to make a number of further settings for representation and navigation within the menu, amongst other things. After the system settings were adapted to the individual requirements, we recommend saving the settings in a user configuration. User Manual
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9.4.8.1 "Display" Setting
Fig. 180 Settings for display and viewfinder
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The "Display" sub-menu can be used in order to select the display settings for the VarioCAM® HD. In the standard configuration (factory settings) the display is switched from the display to the viewfinder* when the display is folded to the camera housing (active display: automatic). However, you can fixedly set Display or Viewfinder (Finder) as active display element. The brightness values of display and viewfinder can be set independently using the levels "Bright", "Medium" and "Dimmed". When the ambient lighting conditions are "normal", the brightness setting "Medium" is absolutely sufficient for the display; in dark conditions, the setting “Dimmed” should be selected.
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The DVI-D output can also be set, with the formats 768 p and 800 p being the available selection options. Regarding the FBAS interface (TV output), it is possible to toggle between the standards PAL and NTSC.
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9.4.8.2 "Regional" Setting
Fig. 181 Settings for "Region and language"
The sub-menu "Regional" can be used in order to set the language, the date format, the date separator and the time format. Number and selection of the languages available in each case depend on the equipment. The units for the distance and for the temperature can also be set.
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9.4.8.3 "Date/Time" Setting
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Fig. 182 Settings for "Date and time"
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Setting the date and the time corresponds to the procedure usual for PCs: we recommend entering the information in the corresponding dialogues on a per-line basis from the top to the bottom.
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9.4.8.4 "Menu layout" Setting
Fig. 183 "Menu layout" settings – font size
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The sub-menu "Menu layout" is used in order to make the settings for the graphical user interface. The selection options for the font size comprise the 3 levels "Large", "Normal" and "Small". Particularly in the event of a large font size, a part of the text shown in the menus is no longer displayed completely, because the available space is insufficient. However, when navigating to the corresponding menu item, this menu item is displayed completely even when it exceeds the menu width. When switching from day to night mode the system switches from dark font on light background to light font on dark background. A possible blinding effect in darkness is reduced significantly by the considerably darker menu representation.
Fig. 184 "Menu layout" settings – mode
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Fig. 185 Menu in night and/or day mode
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9.4.8.5 "Menu control"
Fig. 186 "Menu layout" settings – menu control
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The way the navigation in the camera menu is controlled can also be adapted to individual requirements. For quick navigation, the experienced user can set sub-menus to drop down automatically when a menu item is selected. This way, pushing the Enter button on the corresponding menu item, otherwise neccessary, is no longer required. When exiting the menu item, the sub-menu will be closed automatically as well. When this function is activated, the speed of the sub-menu dropping down can also be set. Regarding the button response, the delay time can be selected in the three levels "Slow", "Medium", and "Fast". In order to accelerate the navigation within the menu, it is possible to navigate from the "Settings" menu directly to the "Image" menu using → and vice versa using ← (menu cycle "Horizontal"). It is furthermore possible to navigate from the lower menu line directly to the first menu line using ↓ and vice versa using ↓ (menu cycle "Vertical"). In order to combine both variants, you can select the sub-menu "Allover" option in the menu cycle.
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In order to play voice comments, as well as alarm and system signals, the volume can be set to the three levels "Quiet", "Normal" and "Loud".
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By quickly accepting settings in dialogues by using the button without having to navigate to the OK button, and by quickly aborting input operations using the button. VarioCAM® HD operation can also be accelerated.
9.4.8.6 Network*
The factory default network address of the GigE Vision-Interface* can be customized according to individual requirements.
Fig. 187 Settings Network Address
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9.4.8.7 Info
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Fig. 188 Info – display of the camera information
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The sub-menu "Info" contains the most important system information regarding hardware (camera) and system software (system), SD-card, GPS and WLAN settings.
Info – display of camera information
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Fig. 189
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The sub-menu „camera“ displays the serial number of the camera, the detector format, information about current power supply as well as the camera temperature:
The sub-menu „lens“ displays the type of the current lens, serial number, height and width of the image field as well as lens temperature (not for lenses with screw thread):
Fig. 190 Info – display of lens information The sub-menu "SD card" displays the used and available space on the memory card as well as the number of all files and directories saved on this card:
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Fig. 191 Info – display of memory card information
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The sub-menu "System" displays all information about the current firmware version of the camera settings:
Fig. 192 Info – display of system information
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VarioCAM® HD is delivered with the latest firmware version. However, the firmware of the camera is constantly evolving and expanding the range of available operation functions. If you go to the sub-menu “firmware update”, you will be able to update your camera’s firmware version. Further information about available updates can be found on InfraTec’s website or by calling InfraTec’s service hotline (see chapter 14 Service – page 92).
Fig. 193 Info – Firmware update
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For the firmware update, please proceed as follows: ■ Format a SDHC card ■ Copy the updates on the SDHC card ■ Connect VarioCAM® HD with the power supply ■ Charge VarioCAM® HD with full battery ■ Start VarioCAM® HD ■ Plug in the SDHC card with updates into the card slot ■ Select on the page “firmware update” Start Update and confirm with OK
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Make sure you have a reliable power supply before you update your VarioCAM® HD: Connect the camera with the wall wart and insert a fully charged battery. Please do not disconnect the camera from the power supply during the update.
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Fig. 194 Info – Start Firmware update
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After starting the update, the following display appears:
Fig. 195 Info – Display content after start of the firmware update
During the firmware update, the whole screen turns black and the LED lamp on the camera starts blinking in red:
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Fig. 196 Info – Display content during the firmware update
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When the update is finished, the display „Update done!“ appears and the camera turns off automatically. When the camera is rebooted after this update. an information field with the message the update was successful shows up:
Fig. 197 Info – display after firmware update
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Thermography System VarioCAM® HD 10. Introduction
10
Software installation
10.1 Installation instructions In order to operate the VarioCAM® HD using the GigE interface, the driver software “WinPcap” must be installed first. We recommend using a GigE network card - independent of the company’s network - in order to actuate the VarioCAM® HD. Depending on the used Ethernet adapter, different configuration options will be available after the Ethernet adapter is installed.
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We recommend using the internal GigE network card at all times for camera connection.
"Administrators".
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For the installation described below, you must dispose of the access rights of the user group,
10.2 Installation of WinPcap
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Upon execution of the file "WinPcap_4_1_2.exe", please follow the setup wizard by always clicking "Next >".
Fig. 198 Start window
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Fig. 199 Start of the installation
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Thermography System VarioCAM® HD 10. Introduction
Fig. 200 Confirmation of the terms and conditions of the license agreement
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Fig. 201 Define automatic start of WinPcap
Fig. 202 Completion of the installation The installation is finished by clicking the "Finish" button.
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10.2.1 Setting the network adapter
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Fig. 203 Selection of the LAN connection
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Upon opening the "Network and Sharing Center", the "Change adapter settings" menu item can be selected. In this menu item, the network card to be used must be highlighted and its properties must be opened by using the right mouse button.
10.2.2 Setting the IP address
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Before configuring the network card for being used in connection with the camera, the properties of the interface card to be used must be checked. In this, releasing non essential functionalities and assigning a fixed IP address are important. The screenshots shown below provide an overview:
Fig. 204 Properties of the LAN connection Please note that you only need the components described above in order to establish an Ethernet connection to the VarioCAM® HD. Therefore, we recommend deactivating any further components contained in the input mask.
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Fig. 205 Setting the IP address
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If the option "Internet protocol (TCP/IP) " is selected, you can use the "Properties" button in order to set the IP address of the GigE network card. This IP address can be freely defined in accordance with the specifications made by your network in the "Use the following IP address" menu item. During the further progress of the installation you will need two free network addresses. Should you have any questions regarding this, please contact your network administrator directly. The "Retrieve IP address automatically" option must not be selected. If this option is however activated, the computer will try to retrieve a dynamic network address from the camera system, which is indicated by the corresponding network symbol in the tool bar. In this case. no connection can be established to the VarioCAM® HD.
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10.2.3 Configuration of the network card You can use the "Configure…" button in the “Properties of LAN connections” window in order to define the properties of the network card.
Fig. 206
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We strongly recommend activating the "Jumbo Packet" property in order to achieve a trouble-free Ethernet connection to the VarioCAM® HD. This function significantly reduces the occupancy rate of the network and allows for loss-free data transmission even at high frame rates.
Setting "Jumbo Packet"
Fig. 207
Speed and duplex mode
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Please select the highest possible value from the available drop-down list.
Please preferentially select the value "1.0 Gbit/s full duplex" and the "Automatic negotiation" menu item only if this value is not available.
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Thermography System VarioCAM® HD 11. Introduction
11
Establishing a connection to the IRBIS® 3* software
Within the IRBIS® 3 program, the "Connect" button must be clicked in the "Camera" menu item in order to establish the connection between camera and software.
Fig. 208 "Camera" menu of the IRBIS® 3 software
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The following "Select camera" dialogue must be used to select the camera type "VarioCAM HD". Clicking the "Accept" button will start the establishment of the connection to the thermography system.
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Fig. 209 IRBIS® 3 – "Select camera"
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All further functions of the program are described in detail in the manuals "IRBIS® 3 – Infrared thermographic software".
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12
Maintenance of the device
12.1 Cleaning The possible maintenance work to be performed on the VarioCAM® HD is limited to the process of cleaning outer surfaces. The optical surfaces of the lens are equipped with high-quality optical layers. Avoid any contact with these surfaces and protect these surfaces against dirt and damages. Therefore, position the related protective cap on the lens if the device is not in use.
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If cleaning the optical surfaces is nevertheless required, please only use wood-free absorbent cotton or Professional Wipes Kleenex in combination with 96% ethanol. Please contact the manufacturer in the event of strong contaminations. When the lens is removed (lens change), the aperture of the camera housing must be protected against any kind of contact with the inner components. It must be ensured that no dirt can penetrate the inside of the camera. Interventions of any kind into the inside of the thermography camera are expressly prohibited.
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Maintenance and repair work exceeding the actions and measures described within the framework of this user manual must only be performed by authorised skilled personnel. If this is not observed, the warranty and liability obligations of the manufacturer will be forfeit.
12.2 Calibration
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The VarioCAM® HD system was calibrated very carefully to the official norm with the manufacturer, maintaining the measure connection in doing so. We recommend having the calibration checked by the manufacturer or by another certified authority at intervals of two years. This check should be performed in combination with the general maintenance of the device with the manufacturer.
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Thermography System VarioCAM® HD 13. Introduction
13
Protection of the environment
The VarioCAM® HD is an optoelectronic device containing specific infrared lenses and electronic printed circuit boards. These components must be disposed of specifically when the device is at the end of its use. The manufacturer offers to take back the VarioCAM® HD product from the customer in order to ensure that the device is disposed of in an environmentally friendly manner when it is at the end of its use.
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In this case, please return the device to the address mentioned in → chapter 14. Service – page 92.
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14
Service
According to the manufacturer’s recommendation. the VarioCAM® HD system should be maintained by customer services at an interval of two years. The manufacturer guarantees the implementation of the service on the VarioCAM® HD product. Should you experience any failures or require the performance of technical maintenance works. please contact your dealer or customer services using the following address:
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+49 351 871-8615 +49 351 871-8727
[email protected] www.InfraTec.de
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Phone: Fax: Email:
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InfraTec GmbH Infrarotsensorik und Messtechnik Gostritzer Straße 61 - 63 01217 Dresden GERMANY
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