Transcript
Pressure Temperature Humidity Air
Measuring instruments
for ventilation and air-conditioning
Part of your business
Ability to meet any challenge Our knowledge for your success
Made by WIKA
In the course of the last six decades the name WIKA has become a symbol for sophisticated solutions in the field of pressure and temperature measurement. Our ever increasing ability is the basis for implementation of innovative technologies in the form of reliable products and efficient system solutions. We owe our leading position in the world market to the consistent dedication towards premium quality, to which, today, 7,000 employees of the WIKA group of companies are committed. More than 500 experienced sales staff ensure that our customers are individually and competently advised and looked after from the outset. Anywhere and any time.
The development and high-tech production in our owned modern production facilities (Germany, Brazil, China, India, Canada, Poland, Switzerland, South Africa and U.S.A.) is the best warranty for our flexibility. Whether SMD automatic insertion machines, CNC automatic machining centres, welding robots, laser welding, sputterers, thermotransfer printing or thin film production - we exploit all possibilities to achieve above-average results. And the end result: More than 43 million quality products are delivered year in, year out, in more than 100 countries. Worldwide, approximately 350 million WIKA measuring instruments are in use.
Certified quality The WIKA quality assurance management system has been certified in accordance with ISO 9001 since 1994. The quality and safety standards of our company meet the standard systems of several countries.
Fully automatic production of measuring instruments
The modern high-bay warehouse ensures efficient logistics
2
DKD/DAkkS accredited calibration laboratories for pressure and temperature
Contents air2guide product range
4
Instrument requirement, application example
8
A2G-05 Eco differential pressure gauge
9
A2G-10 Differential pressure gauge
10
A2G-15
Differential pressure gauge with electrical output signal
11
A2G-20 Air velocity transmitter
12
A2G-25 Air flow transmitter
13
A2G-30 Inclined tube manometer
14
A2G-40 Differential pressure switch
15
A2G-45
Electronic differential pressure switch with display
16
A2G-50 Differential pressure transmitter
17
A2G-55 Eco differential pressure transmitter
18
A2G-60 Duct/immersion temperature sensor
19
A2G-61 Duct temperature sensor
20
A2G-65 Frost protection thermostat
21
A2G-70
Duct sensor for relative humidity and temperature
22
A2G-80 Air quality sensor VOC
23
A2G-85 CO2 sensor
24
A2G-90
Differential pressure gauge Airbox with differential pressure switch
Accessories
25 26
3
air2guide product range
Eco differential pressure gauge
Differential pressure gauge
Differential pressure gauge with electrical output signal
Air velocity transmitter
Model
A2G-05
A2G-10
A2G-15
A2G-20
Application
For monitoring the differential pressure of air and other non-inflammable and non-aggressive gases
For monitoring the differential pressure of air and other non-inflammable and non-aggressive gases
For measuring the air For monitoring the velocity and temperature differential pressure of air of air and other nonand other non-inflammable inflammable and nonand non-aggressive gases aggressive gases
Installation
With mounting ring
With case
With case
With mounting flange
Measuring range
0 ... 50 Pa to 0 ... 12,500 Pa,/ -25 ... +25 Pa to -1,500 ... +1,500 Pa, further +/-ranges on request
0 ... 50 Pa to 0 ... 12,500 Pa, -25 ... +25 Pa to -1,500 ... +1,500 Pa, further +/-ranges on request
0 ... 50 Pa to 0 ... 12,500 Pa, -25 ... +25 Pa to -1,500 ... +1,500 Pa, further +/-ranges on request
Air velocity: 0 ... 2 m/s, 0 ... 10 m/s or 0 ... 20 m/s can be selected at the instrument via jumpers Temperature: 0 ... 50 °C
Units
Pa, kPa, In.WC, mmWC, mbar
Pa, kPa, In.WC, mmWC, mbar
Pa, kPa, In.WC, mmWC, mbar
m/s, °C
Medium temperature
-16 ... +50 °C
-16 ... +50 °C
-16 ... +50 °C
0 ... +50 °C
Ambient temperature
-30 ... +80 °C
-30 ... +80 °C
-30 ... +80 °C
0 ... +50 °C
Accuracy class
±3 % FS ±5 % < 125 Pa
±3 % FS ±5 % < 125 Pa
±3 % FS ±5 % < 125 Pa
Air velocity: FS 0 ... 2 m/s: < 0.1 m/s +5 % of measured value FS 0 ... 10 m/s: < 0.5 m/s +5 % of measured value FS 0 ... 20 m/s: < 1.0 m/s +5 % of measured value Temperature: < 0.5 °C (v > 0.5 m/s)
Ingress protection
IP 54 (optional IP 65)
IP 54 (optional IP 65)
IP 54 (optional IP 65)
IP 54
Special
Depth 42 mm, with fixed connections in angular form for hoses of inner Ø 4 mm or 6 mm
Two-part construction (measuring element and case)
Two-part construction (measuring element and case)
Easy to install
Data sheet
PM 07.42
PM 07.40
PV 17.40
SP 69.06
Details
See page 9
See page 10
See page 11
See page 12
4
air2guide product range
Air flow transmitter
Differential Inclined tube manometer pressure switch
Electronic differential pressure switch with display
Differential pressure transmitter
A2G-25
A2G-30
A2G-40
A2G-45
A2G-50
For monitoring the differential pressure of air and other non-inflammable and non-aggressive gases
For monitoring the For monitoring the differential pressure differential pressure of air of air and other nonand other non-inflammable inflammable and nonand non-aggressive gases aggressive gases
For measuring the volume flow in ventilation For monitoring ventilators, ducts of air and other blowers and filters non-inflammable and nonaggressive gases
■■ -500
0 … 1,000 Pa 0 … 2,000 Pa 0 … 5,000 Pa 0 … 7,000 Pa
0 … 600 Pa
20 … 200 Pa to 500 … 4,500 Pa
Pa, m3/s, m3/h, cfm, l/s, scfh, lpm, kPa, mbar, mmWC, inchWC
... +500 Pa (-100 ... +100 Pa, -250 ... +250 Pa, -300 ... +300 Pa adjustable via jumpers) - 50 ... +50 Pa to or 0 ... 7,000 Pa ■■ 0 ... 2,500 Pa (0 ...+100 Pa, 0 ...+250 Pa, 0 ... +1,000 Pa adjustable via jumpers)
Pa, In.WC, mmWC, mbar, kPa
Pa, In.WC, mmWC, mbar, kPa
Pa, In.WC, mmWC, mbar, kPa
Pa, In.WC, mmWC, mbar, kPa
-5 ... +50 °C
-40 ... +60 °C
-20 ... +60 °C
-10 ... +50 °C (-5 ... +50 for AZ models)
-5 ... +50 °C
-20 ... +70 °C
-40 ... +60 °C
-40 ... +85 °C
-20 ... +70 °C
-20 ... +70 °C
0 ... 1,000 Pa, 0 ... 2,000 Pa: ±5 Pa ... ±1.5 % FS 0 ... 5,000 Pa, 0 ... 7,000 Pa: ±7 Pa ... ±1.5 % FS
5 Pa, 25 Pa
Lowest limits: 5 … 50 Pa Highest limits: 20 … 200 Pa
±0.7 %
±1.5 % (with measuring range -50 ... +50 Pa: ±3 %)
IP 54
IP 54
IP 54
IP 54
IP 54
Easy to install, easy-to-read display Setting with K factor of the standard orifice plate or the ventilator
Easy to install, easy-to-read scale
Robust case and easy to install
Robust case and easy to install Up to 2 switch points possible
Robust design, easy to install
SP 69.04
PM 07.41
SP 69.02
SP 69.08
SP 69.03
See page 13
See page 14
See page 15
See page 16
See page 17
www.air2guide.com
5
air2guide product range
Eco differential pressure transmitter
Duct/immersion temperature sensor
Bimetal thermometer Frost protection Duct temperature sensor thermostat
Model
A2G-55
A2G-60
A2G-61
Application
For monitoring the differential pressure of air and other non-inflammable and non-aggressive gases
For monitoring the For measuring the temtemperature in perature of gaseous media ventilation systems and in heating, ventilation and in air-conditioning and air-conditioning systems refrigeration technology
For air-side temperature control and prevention of frost damage to water heating coils in ventilation and air-conditioning systems
Measuring range
0 ... 250 Pa to 0 ... 5,000 Pa
0 ... 50 to 0 ... 250 °C (active) -50 ... 260 °C (passive)
-20 ... +60 °C
Adjustable range for set point -10 ... +15 °C (factory setting 5 °C)
Units
Pa, In.WC, mmWC, mbar, kPa
°C
°C
°C
Operating temperature
-10 ... +50 °C
-
-
-
Ambient temperature
-10 ... +50 °C
-35 ... +70 °C
-8 ... +70 °C
-8 ... +70 °C
Accuracy class
±2.0 % FS
± 1 % of measuring range
Class 2 per EN 13190
Switching differential ≤ 2 ... ±1 °C Repeatability ±0.5 °C
Ingress protection
IP 65
IP 65
IP 42
IP 65
Special
Cost-effective alternative to the standard instrument A2G-50
Easy to install, direct installation into the process Simple mounting Passive: Pt1000 A DIN or Ni1000 Active: 0 ... 10 V/4 ... 20 mA
Easy to install
Data sheet
SP 69.05
TE 62.90
TM 48.02
TE 62.92
Details
See page 18
See page 19
See page 20
See page 21
6
A2G-65
air2guide product range
Duct sensor for relative humidity and temperature Air quality sensor VOC
CO2 sensor
Differential pressure gauge with differential pressure switch
A2G-70
A2G-80
A2G-85
A2G-90
For measuring the relative humidity and temperature of gaseous media in heating, ventilation and air-conditioning systems
For measuring the indoor air quality, the greater the output signal of the sensor (0 ... 10 V), the worse the air quality
For measuring the CO2 content in rooms
For monitoring the differential pressure of air and other non-inflammable and non-aggressive gases and for controlling air and fire shutters
Humidity: 0 ... 100 % rH Temp.: -20 ... +80 °C
0 ... 10 V, load min. 10 kΩ
0 ... 2,000 ppm
0 ... 250 Pa to 0 ... 6,000 Pa
°C
Volt
Volt
Pa, In.WC, mWC, mbar, kPa
-
-20 ... +50 °C
0 ... +50 °C
-16 ... +50 °C
-
-
-
-
±3 % between 20 ... 80 % rF, temperature ±1 % between 5 ... 45 °C
-
typically ±40 ppm + 4 % of measured value
± 3 % of measuring range
IP 65 (connection head)
IP 20
IP 20
IP 54
Easy to install, direct installation into the process Temperature 0 ... 10 V (active) RH 0 ... 10 V
Easy to install
Maintenance-free, self-calibrating
Compact indicator and pressure switch fitted within a plastic case incl. all connections
SP 62.91
SP 69.01
SP 69.07
PV 27.40
See page 22
See page 23
See page 24
See page 25
www.air2guide.com
7
Instrument requirement, application example
air2guide measuring instruments for ventilation and air-conditioning (VAC) WIKA measuring instruments for ventilation and air-conditioning applications meet the highest demands, since their development is based on the "value innovation" philosophy, which involves comprehensive clarification of market and customer requirements. The products, which are very popular among users, are mainly designed for the requirements of ventilation systems for industrial and administrative premises, and for manufacturers of ventilation and air-conditioning equipment. The instruments have to be installed in line with the ventilation and air-conditioning directive on filter monitoring and are available in all required sizes and measuring ranges.
With air2guide, WIKA offers a comprehensive range of measuring instruments for ventilation and air-conditioning applications. The portfolio includes differential pressure measuring instruments (mechanical and electronic), an inclined tube manometer, a differential pressure switch and a differential pressure transmitter. These instruments are primarily used for monitoring filters and ventilators. In addition an air flow meter and an air velocity transmitter for measuring the volume flow and the air velocity in air ducts and airconditioning systems are available. Using a frost protection thermostat additionally prevents frost damage to the heat exchangers by monitoring the air-side temperature.
The two measuring instruments, the mechanical differential pressure gauge and the mechanical differential pressure gauge with analogue display and analogue output signal, are identical in design.
In addition the duct/immersion temperature sensor and the temperature and humidity sensor are available to measure the temperature and humidity in ventilation and air-conditioning systems. The airbox combination, which consists of a mechanical differential pressure gauge and a differential pressure switch, is suitable for filter monitoring. The range is completed by an air quality sensor for volatile organic compounds (VOC) and a CO2 sensor used to measure the carbon dioxide content in the air.
Key benefits of the air2guide instruments:
Easy to install and remove without tools Up to 50 % time saving during installation compared with
conventional models
Advanced design, optimised packaging for the target
market
First class delivery quality
air2guide application example
8
A2G-05
Eco differential pressure gauge Model A2G-05
The A2G-05 differential pressure gauges are ideally suited to the measurement of overpressure, negative pressure and differential pressure in the measuring ranges 0 ... 50 to 0 ... 12,500 Pa and -25 ... +25 to -1,500 ... +1,500 Pa. The benefit of the A2G-05 in comparison with other manufacturers’ differential pressure gauges lies in the 2-part construction (design) of the gauge. The instruments are quick and easy to install. The measuring element and the mounting ring are separated. This has the advantage that, in case of repairs, only the measuring element or the mounting ring has to be replaced resulting in installation cost savings. Due to its small mounting depth (42 mm) the A2G-05 is ideally suited for installation in doors or walls of clean rooms.
Applications
For monitoring the
differential pressure of air and other non-inflammable and non-aggressive gases Ventilator and blower monitoring Differential pressure monitoring in filters Overpressure monitoring in clean rooms Special features
Easy to install and
remove
Small installation depth
(42 mm), for recessed installation in doors and walls of clean rooms Integrated sealing element for installation in the air duct
Specifications A2G-05 Nominal size
110 mm
Measuring range
0 ... 50 Pa to 0 ... 12,500 Pa, -25 ... +25 Pa to -1,500 ... +1,500 Pa, further +/- ranges on request, also available in the measuring units kPa, in.WC, mmWC and mbar
Accuracy class
Permissible temperatures Ingress protection Process connection Separating diaphragm
Installation
Ambient temperature: -30 … +80 °C Medium temperature: -16 … +50 °C
Ingress protection IP 54 (optional IP 65)
Fixed connection in angular form for hoses of inner Ø 4 mm or 6 mm Silicone
Movement
Contact-free transmission
Pointer
Plastic (red mark pointer, optional)
Basic case, case for panel/ wall mounting
Plastic (UV stabilised)
Dial
Aluminium
Window
Makrolon
Standard accessories Data sheet
www.air2guide.com
±3 % (±5 % with scale range ≤ 0 ... 125 Pa)
3 mounting screws, for further accessories see page 26 PM 07.42
9
A2G-10
Differential pressure gauge Model A2G-10
The A2G-10 differential pressure gauges are ideally suited to the measurement of overpressure, negative pressure and differential pressure in the measuring ranges 0 ... 50 to 0 ... 12,500 Pa and -25 ... +25 to -1,500 ... +1,500 Pa. The benefit of the A2G-10 in comparison with other manufacturers’ differential pressure gauges lies in the 2-part construction (design) of the gauge. The instruments are quick and easy to install. The measuring element and case (built-in and add-on version) are separate. This has the advantage that, in case of repairs, only the measuring element or the case has to be replaced resulting in installation cost savings.
Applications
For monitoring the diffe-
rential pressure of air and other non-inflammable and non-aggressive gases Ventilator and blower monitoring Differential pressure monitoring in filters Overpressure monitoring in clean rooms Special features
Easy to install and
remove 2-part construction (measuring element and case) Standard accessories included Integrated sealing element for installation in the air duct
Built in
Specifications A2G-10 Nominal size
110 mm
Measuring range
0 ... 50 Pa to 0 ... 12,500 Pa, -25 ... +25 Pa to -1,500 ... +1,500 Pa, further +/- ranges on request, also available in the measuring units kPa, in.WC, mmWC and mbar
Accuracy class
Permissible temperatures Ingress protection
10
Ambient temperature: -30 … +80 °C Medium temperature: -16 … +50 °C IP 54 (optional IP 65)
Process connection
G ⅛ female, for hoses of inner Ø 4 mm or 6 mm
Movement
Contact-free transmission
Pointer
Plastic (red mark pointer, optional)
Basic case, case for panel and wall mounting
Plastic (UV stabilised)
Separating diaphragm
Silicone
Dial
Aluminium
Window
Makrolon
Standard accessories
Add on
±3 % (±5 % with scale range ≤ 0 ... 125 Pa)
Data sheet
3 mounting screws/Straight or angular threaded pressure connections G ⅛ for inner Ø 4 mm or 6 mm, for further accessories see page 26 PM 07.40
A2G-15
Differential pressure gauge with electrical output signal Model A2G-15
In addition to the analogue display, the A2G-15 also has an analogue output signal. The A2G-15 is available with a 3-wire output signal (0 ... 10 V). It is mainly used where, in addition to an on-site display, the measured data is also continually obtained, registered and processed, or used as a control signal for ventilation and air-conditioning systems. The instruments are quick and easy to install. The measuring element and case (built-in and add-on version) are separate. This has the advantage that, in case of repairs, only the measuring element or the case has to be replaced resulting in installation cost savings.
Applications
For monitoring the diffe-
rential pressure of air and other non-inflammable and non-aggressive gases Ventilator and blower monitoring Differential pressure monitoring in filters Overpressure monitoring in clean rooms Special features
Easy to install and
remove Output signal 0 … 10 V, 3-wire Same dimensions as the mechanical version 2-part construction (measuring element and case) Integrated sealing element for installation in the air duct
Built in
Add on
Specifications A2G-15 Nominal size
110 mm
Measuring range
0 ... 50 Pa to 0 ... 12,500 Pa, -25 ... +25 Pa to -1,500 ... +1,500 Pa, further +/- ranges on request, also available in the measuring units kPa, in.WC, mmWC and mbar
Accuracy class
Permissible temperatures Ingress protection
Ambient temperature: -30 … +80 °C Medium temperature: -16 … +50 °C IP 54 (optional IP 65)
Process connection
G ⅛ female, for hoses of inner Ø 4 mm or 6 mm
Movement
Contact-free transmission
Pointer
Plastic (red mark pointer, optional)
Basic case, case for panel/ wall mounting
Plastic (UV stabilised)
Separating diaphragm
Silicone
Dial
Aluminium
Window
Makrolon
Output signal
0 … 10 V, 3-wire
Electrical connection
Cable gland M12
Power supply UB
DC 15 … 35 V
Standard accessories
Cable gland M12, 3 mounting screws/Straight or angular threaded pressure connections G ⅛ for inner Ø 4 mm or 6 mm, for further accessories see page 26
Data sheet
www.air2guide.com
±3 % (±5 % with scale range ≤ 0 ... 125 Pa)
PV 17.40
11
A2G-20
Air velocity transmitter Model A2G-20
The A2G-20 (air velocity transmitter) is used for measuring air velocity and temperature in gaseous media of heating, ventilation and air-conditioning systems (e.g. fresh air/exhaust air ducts). The air velocity transmitter is designed for connection to control and display systems.
Applications
For measuring the air
velocity and the temperature of air and other non-inflammable and non-aggressive gases in fresh air or exhaust air ducts Designed for connection to control and display systems Special features
Simple mounting Very reliable Three measuring ranges
adjustable at the instrument via jumpers Two output signals in one instrument Standard accessories included
Specifications A2G-20
Accuracy
Temperature: < 0.5 °C (v > 0.5 m/s) Measuring range Permissible temperatures Ingress protection
Output signal
Supply voltage
Air velocity: 0 ... 2 m/s, 0 ... 10 m/s or 0 ... 20 m/s can be selected at the instrument via jumpers Temperature: 0 ... 50 °C Ambient temperature: -0 … +50 °C, max. 85 % rH Medium temperature: -0 … +50 °C, max. 85 % rH IP 54
Air velocity: 0 … 10 V (linear to m/s): Load min. 1 kΩ or 4 … 20 mA (linear to m/s): Load max. 400 Ω Temperature: 0 … 10 V (linear to °C): Load min. 1 kΩ or 4 … 20 mA (linear to °C): Load max. 400 Ω DC 24 V/AC 24 V ±10 %
Weight
220 g
Case
Plastic (ABS)
Measuring element
Pt1000 and NTC10k
Electrical connection
Screw terminals, max. 1.5 mm² Cable gland M16
Type of mounting Standard accessories Data sheet 12
Air velocity: Meas. range 0 … 2 m/s: < 0.1 m/s +5 % of measured value Meas. range 0 ... 10 m/s: < 0.5 m/s +5 % of measured value Meas. range 0 ... 20 m/s: < 1.0 m/s +5 % of measured value
Duct installation
Mounting flange, for further accessories see page 26 SP 69.06
A2G-25
Air flow transmitter Model A2G-25
The A2G-25 for measuring the volume flow is based on the differential pressure value measured directly in the ventilator. With the help of the K factor and the measured differential pressure the volume flow is automatically calculated. The instrument can be used for displaying the air quantity on site or for sending the output value to a control system. With the A2G-25 volume flows of up to 200,000 m3/h can be measured.
Applications
For measuring the
volume flow in ventilation ducts of air and other non-inflammable and non-aggressive gases For measuring, monitoring and controlling the air volume flow of centrifugal ventilators. For operating fans/ ventilators from various manufacturers. Special features Simple mounting User-friendly display Easy-to-read LCD display Temperature compensated Compact and robust design Standard accessories included
Specifications A2G-25 Accuracy Measuring range Permissible temperatures Ingress protection Output signal
0 … 1,000 Pa, 0 … 2,000 Pa, 0 … 5,000 Pa, 0 … 7,000 Pa Ambient temperature: -10 ... +50 °C Medium temperature: -5 … +50 °C IP 54
V OUT DC 0…10 V , load R minimum 1 kΩ linear to the set output unit P OUT DC 0…10 V, load R minimum 1 kΩ linear to the set output unit
Supply voltage
AC 24 V or DC 24 V ±10 %
Process connection
For hoses of inner Ø 4 mm or 6 mm
Case
Plastic (ABS), cover polycarbonate (PC)
Type of mounting
Wall mounting
Weight
150 g
Measuring element
Piezo measuring cell
Electrical connection
Cable gland M16/cover PG, screw terminals max. 1.5 mm2
Standard accessories
2 mounting screws
Data sheet
www.air2guide.com
0 ... 1,000 Pa: ±5 Pa ... ±1.5 % of display 0 ... 2,000 Pa: ±5 Pa ... ±1.5 % of display 0 ... 5,000 Pa: ±7 Pa ... ±1.5 % of display 0 ... 7,000 Pa: ±7 Pa ... ±1.5 % of display
SP 69.04
13
A2G-30
Inclined tube manometer Model A2G-30
The A2G-30 is suitable for applications where overpressure, negative pressure and differential pressure have to be measured continually and accurately. Precise zero adjustment is undertaken by changing the volume using a knurled screw. The manometer is specially designed to prevent leakage of the indicator fluid in the case of overpressure. The manometer should be screwed in place on a suitable vertical surface. The instrument is fixed in place and levelled horizontally using the attached self-tapping screws.
Applications
For monitoring the diffe-
rential pressure of air and other non-inflammable and non-aggressive gases Monitoring of ventilators, blowers and filters in airconditioning and clean room applications Overpressure monitoring in clean rooms and laboratories Special features Easy to install Leakage protection Easy-to-read scale Standard accessories included
Specifications A2G-30 Accuracy
5 Pa/25 Pa
Permissible temperatures
-40 ... +60 °C
Process connection
For hoses of inner Ø 4 mm or 6 mm
Case cover
Plastic
Sealing
NBR
Measuring range
0 ... 600 Pa
Max. pressure
200 kPa (2 bar)
Case
Plastic
Screws
Plastic
Standard accessories
2 mounting screws , filling liquid 30 ml , red and green pressure limitation stickers, for further accessories see page 26
Data sheet
14
PM 07.41
A2G-40
Differential pressure switch Model A2G-40
The A2G-40 is an adjustable differential pressure switch and is used for monitoring the overpressure, negative pressure or differential pressure of air or other non-inflammable and non-aggressive gases. The adjustment knob at the case enables convenient setting of the switch points on site. The switching function is accomplished by an N/O contact or an N/C contact.
Applications
For monitoring the diffe-
rential pressure of air and other non-inflammable and non-aggressive gases Monitoring of air filters, blowers, industrial cooling air circuits, flows in ventilation ducts and the control of air and fire shutters Overpressure monitoring in clean rooms and laboratories Special features Easy to install and assemble Robust case and practical design Very reliable Standard accessories included
Specifications A2G-40
Accuracy of the switch point
Switching differential Measuring range Permissible temperatures Ingress protection
10 ... 180 Pa
Lowest limit
±5 Pa ... ±5 Pa ... ±5 Pa ... ±5 Pa ... ±10 Pa ... ±50 Pa ...
Highest limit
±20 Pa ±30 Pa ±30 Pa ±30 Pa ±50 Pa ±200 Pa
20 ... 200 Pa, 30 ... 300 Pa, 30 ... 500 Pa, 40 ... 600 Pa, 100 ... 1,500 Pa, 500 ... 4,500 Pa Ambient temperature: -40 ... +85 °C Medium temperature: -20 ... +60 °C IP 54
Contact rating
2A/AC 250 V
Process connection
For hoses of inner Ø 4 mm or 6 mm
Case
Plastic
Sealings
Plastic
Type of mounting
Wall mounting
Data sheet
SP 69.02
Weight
150 g
Diaphragm
Silicone
Window
Polycarbonate
Electrical connection
Cable gland M16, screw terminals max. 1.5 mm2
Standard accessories
www.air2guide.com
20 ... 200 Pa 30 ... 300 Pa 30 ... 500 Pa 40 ... 600 Pa 100 ... 1,500 Pa 500 ... 4,500 Pa
2 mounting screws, for further accessories see page 26
15
A2G-45
Electronic differential pressure switch with display Model A2G-45
The A2G-45 is an electronic differential pressure switch for monitoring the differential pressure of air and other non-inflammable and non-aggressive gases. It is used for monitoring and switching pressures in facility management, air-conditioning and clean room systems.
Applications
Monitoring of air filters,
blowers, industrial cooling air circuits, flows in ventilation ducts Control of air and fire shutters, frost protection for heat exchangers Overpressure monitoring in clean rooms and laboratories Special features Simple mounting Compact and robust design Simple setting of up to two switch points
Specifications A2G-45 Accuracy class
1.5 %
Measuring range
Four measuring ranges can be selected at the instrument via jumpers
Variant 1: -500 … +500 Pa * -300 … +300 Pa ** -250 … +250 Pa ** -100 … +100 Pa **
Variant 2: 0 … 2,500 Pa * 0 … 1,000 Pa ** 0 … 250 Pa ** 0 … 100 Pa **
(For measuring ranges below 250 Pa the automatic zero adjustment is recommended) (AZ)
Option: Automatic zero adjustment (AZ), 2 relay outputs (2R), automatic zero adjustment and 2 relay outputs (AZ-2R) Permissible temperatures Ingress protection
IP 54
Output signal
0 … 10 V, load resistance min. 1 kΩ
Weight
150 g
Measuring element
Piezo measuring cell
Electrical connection
Cable gland M16 and M20, screw terminals max. 1.5 mm2
Standard accessories
2 mounting screws, for further accessories see page 26
Power supply UB
AC 24 V ±10 % or DC 21 ... 35 V
Process connection
For hoses of inner Ø 4 mm
Case
Plastic (ABS), plastic (PC)
Type of mounting
Wall mounting
Data sheet
* Standard ** Jumper
16
Ambient temperature: -20 ... +70 °C, 95 % rH, non-cond. Medium temperature: -10 ... +50 °C (-5 ... +50 °C for AZ models)
SP 69.08
A2G-50
Differential pressure transmitter Model A2G-50
The A2G-50 is an electronic differential pressure transmitter based on the piezo-resistive measuring principle. This compact differential pressure transmitter offers excellent performance and high quality at an attractive price. The A2G-50 is characterised by convenient handling – regarding the installation of the instrument and the readjustment of the zero point. Various measuring ranges can be selected via jumpers.
Applications
For monitoring the dif-
ferential pressure of air and other non-inflammable and non-aggressive gases Monitoring of air filters, blowers, industrial cooling air circuits, flows in ventilation ducts and the control of air and fire shutters Overpressure monitoring in clean rooms and laboratories
Specifications A2G-50 Accuracy class
Special features
Easy to install and
remove Very reliable Adjustable response time Zeroing by push button Compact and robust design Standard accessories included Eight measuring ranges adjustable at the instrument via jumpers Two output signals in one instrument LCD display (optional)
Measuring range
±1.5 %
Variant 1: 0 … 2,500 Pa * 0 … 2,000 Pa ** 0 … 1,500 Pa ** 0 … 1,000 Pa 0 … 500 Pa 0 … 250 Pa 0 … 100 Pa -100 … +100 Pa
Variant 2: 0 … 7,000 Pa * 0 … 5,000 Pa ** 0 … 4,000 Pa ** 0 … 3,000 Pa 0 … 2,500 Pa 0 … 2,000 Pa 0 … 1,500 Pa 0 … 1,000 Pa
Eight measuring ranges can be selected at the instrument via jumpers
(For measuring ranges below 250 Pa the automatic zero adjustment is recommended)
Variant 3: -250 ... +250 Pa -100 ... +100 Pa ** -50 ... +50 Pa ** -25 ... +25 Pa 0 ... 250 Pa ** 0 ... 100 Pa ** 0 ... 50 Pa ** 0 ... 25 Pa **
Eight measuring ranges can be selected via jumpers (Only available with automatic zero adjustment) (AZ)
Option: Digital indicator (D), automatic zero adjustment (AZ), digital indicator and automatic zero adjustment (AZ-D) Permissible temperatures Ingress protection
Ambient temperature: -20 ... +70 °C Medium temperature: -10 ... +50 °C IP 54
Output signal
DC 0 … 10 V, 3-wire, 4 … 20 mA, 3-wire
Weight
150 g
Measuring element
Piezo measuring cell
Electrical connection
Cable gland M16, screw terminals max. 1.5 mm2
Standard accessories
2 mounting screws, for further accessories see page 26
Power supply UB
AC 24 V or DC 24 V
Process connection
For hoses of inner Ø 4 mm or 6 mm
Case
Plastic
Type of mounting
Wall mounting
Data sheet
SP 69.03
* Standard ** Jumper
www.air2guide.com
17
A2G-55
Eco differential pressure transmitter Model A2G-55
The A2G-55 is an electronic differential pressure transmitter based on the piezo-resistive measuring principle. This compact differential pressure transmitter is a cost-effective version of the standard transmitter. It is reduced to a limited number of basic functions, but anyhow this instrument is characterised by precision, high quality and convenient handling. Only positive differential pressures can be measured.
Applications
For monitoring the diffe-
rential pressure of air and other non-inflammable and non-aggressive gases Monitoring of air filters, blowers, industrial cooling air circuits, flows in ventilation ducts and the control of air and fire shutters Special features
Easy to install and
remove Maintenance-free Output signal 0 ... 10 V Compact and robust design
Specifications A2G-55 Accuracy Measuring range Permissible temperatures Ingress protection
0 ... 250 Pa 0 ... 500 Pa 0 ... 750 Pa 0 ... 1,000 Pa
0 ... 1,250 Pa 0 ... 2,500 Pa 0 ... 3,750 Pa 0 ... 5,000 Pa
Ambient temperature: -10 ... +50 °C Medium temperature: -10 ... +50 °C IP 65
Output signal
0 … 10 V (4 … 20 mA optional)
Weight
250 g
Measuring element
Piezo measuring cell
Electrical connection
Cable gland M16, screw terminals max. 1.5 mm2
Standard accessories
Without, for further accessories see page 26
Supply voltage
DC 13 ... 32 V
Process connection
For hoses of inner Ø 5.5 mm
Case
Plastic
Type of mounting
Vertical wall mounting
Data sheet
18
±2.5 % FS
SP 69.05
A2G-60
Duct/immersion temperature sensor Model A2G-60
The A2G-60 duct/immersion temperature sensor is fitted with the two sensors Pt1000 and Ni1000 and is mainly used in ventilation, cooling and air-conditioning systems. Optionally the transmitter is available with a 0 ... 10 V (TRV) or 4 ... 20 mA (TRA) output signal. The temperature sensors are made from high quality materials using the latest production methods. In order to protect the sensors in the temperature sensors from moisture and mechanical overloading, they can be coated with an SI protection (process using epoxy enamelling powder).
Applications
For measuring the
temperature of gaseous media in heating, ventilation and air-conditioning systems Designed for connection to control and display systems In combination with a stem also suitable for measuring liquid media (e.g. in pipeline systems) Special features Simple mounting Incl. mounting flange Compact and robust Direct installation into the process
Specifications A2G-60 Temperature sensor passive/Pt 1000 A DIN and Ni1000 Standard: -50 ... +160 °C High temperature version: -50 ... +260 °C Measuring range
Transmitter output Power consumption Accuracy
Permissible temperatures
Sensor sleeve material
Ranges transmitter active (TRV/TRA) 0 … +50 °C * -50 … +50 °C ** -15 … +35 °C ** -15 … +35 °C ** -10 … +120 °C ** 0 … +160 °C ** 0 … +250 °C **
TRV 0 ... 10 V, min. load 5 kΩ, terminal, 3-pin (3-wire), or TRA 4 ... 20 mA (2-wire) Model 0.35 W/0.82 VA
± 1 % of measuring range
Head temperatures -35 … +90 °C passive (Pt1000 A DIN and Ni1000) -35 … +70 °C active (TRV and TRA) Sensor sleeve Standard: -50 … +160 °C High temperature version: -50 ... +260 °C Stainless steel 1.4571
Ingress protection
IP 65
Electrical connection
Cable gland M16
Data sheet
TE 62.90
Insertion length L
192 mm, Ø = 7 mm, other lengths on request
Weight
150 g
* Standard ** Jumper
www.air2guide.com
19
A2G-61
Bimetal thermometers Duct temperature sensor Model A2G-61
The air2guide A2G-61 bimetal duct temperature sensor with analogue display is used for monitoring temperature in ventilation systems.
Applications
Monitoring of the tem-
perature in ventilation systems
Special features
Simple mounting No power supply With mounting template
Specifications A2G-61
20
Accuracy
Class 2 per EN 13190
Measuring element
Bimetal coil
Capillary tube length
3 m (standard), 1.8 m or 6 m
Front bezel
Aluminium, anodised, colourless
Sensor sleeve
Brass, not sealed, ∅ 9 mm
Insertion length
160 mm
Data sheet
TM 48.02
Scale range
-20 ... +60 °C
Ingress protection
IP 42 per EN 60529
Case
Aluminium
Window
Clear non-splintering plastic
Connection form
Front bezel with 3 mounting screws
Zero adjustment
At bottom of stem
A2G-65
Frost protection thermostat Model A2G-65
The A2G-65 (frost protection thermostat) is used for air-side temperature control and prevention of frost damage to water heating coils in ventilation and air-conditioning systems. It is characterised by a high switching differential and a high repeatability. The reset is done automatically. Through the switching of the frost protection thermostat, the following frost protection measures, for example, can be initiated: Ventilator OFF, external air damper CLOSED, - heating coil valve 100 % OPEN, air heat pump ON, chiller (condenser) and air humidifier OFF. Activation of the visible and/or audible frost warning alarm.
Applications
For air-side temperature
control and prevention of frost damage to water heating coils in ventilation and air-conditioning systems.
Special features
Small switching
differential
High repeatability Automatic resetting
Specifications A2G-65 Adjustable range for set point
-10 … +15 °C (factory setting: 5 °C)
Repeatability
±0.5 °C
Capillary tube length
3 m (standard), 1.8 m or 6 m
Switching differential
2 ±1 °C
Sensor response length
Approx. 60 cm
Switching output
Change-over contact, max. AC 250 V, max. 10 A Contact material: Ag/Ni (90 % / 10 %), gold-plated (3 µm)
Resetting
Screw terminal max. 2,5 mm2
Ingress protection
IP 65
Cable entry
Cable gland M16 x 1.5
Permissible temperatures
Ambient temperature: -30 … 70 °C/max. 85 % rH, non-cond. Medium temperature: W+ min. 2 K …70 °C (W = selected set point)
Case Capillary tube Data sheet
www.air2guide.com
Automatic
Terminal
Material lower body: PA GK30 Material cover: ABS transparent Material: Copper Capillary tube filling: R 507 TE 62.92
21
A2G-70
Duct sensor for relative humidity and temperature Model A2G-70
The measurement of relative humidity and medium temperature is becoming increasingly important in control systems. Humidity- and temperature-controlled ventilation systems are also being increasingly used in air-conditioning and ventilation applications. This measuring instrument determines the relative humidity and the temperature of the ambient air or the air in a duct by means of a capacitive sensor with integrated temperature measurement. The sensor signals are transformed into standard output signals and made available for further processing. The sensor element is protected by a sinter filter.
Applications
For measuring the relati-
ve humidity and temperature of gaseous media in heating, ventilation and air-conditioning systems Designed for connection to control and display systems Special features
Simple mounting Compact and robust Direct installation into the
process Incl. mounting flange
Specifications A2G-70 Power supply UB Measuring range Transmitter output Power consumption Accuracy Permissible temperatures Ingress protection Insertion length L
22
DC 15 ... 24 V/AC 24 V ±10 %
Humidity: 5 ... 95 % rH (working range 0 ... 100 %) Temperature: -20 ... +80 °C Humidity: DC 0 ... 10 V, load: min. 5 kΩ Temperature: DC 0 ... 10 V, load: min. 5 kΩ 0.5 W/1.7 VA
Humidity: ±3 % between 20 ... 80 % rH Temperature: ±1 % of measuring range Ambient temperature: -20 ... +70 °C Sensor tip: max. 60 °C Connection head IP 65
130 mm, other lengths on request
Electrical connection
Cable gland M16
Sensor tube
PVC, black
Connection head
PA6, white
Terminal
Screw terminal max. 1.5 mm2
Filter element
Stainless steel, mesh width 80 µm
Data sheet
TE 62.91
} Optional 4 ... 20 mA
A2G-80
Air quality sensor VOC Model A2G-80
The A2G-80 measures volatile organic compounds in the air. VOC, volatile organic compounds, is the collective name for organic substances suspended in the air like gases or vapours. VOCs include scent and taste particles, tobacco smoke, building chemicals, solvents, disintegrating gases and products of oxidation. VOCs therefore come from a variety of sources. The A2G-80 is a sensitive, cost-effective sensor for measuring air quality. This module uses micro-metallic oxide semiconductor (MOS) technology for the detection of a variety of volatile organic compounds.
Applications
For measuring the indoor
air quality. The greater the output signal of the sensor (0 ... 10 V), the worse the air quality. Mixed-gas sensors detect gases and vapours which can be oxidised (burned): body odours, tobacco smoke, extracts from materials (furniture, carpets, paint coatings, adhesives, etc.) In applications where air quality is essential, e.g. buildings, offices, classrooms, kitchens etc. Special features The set point for the required air quality can be preset on installation. Low consumption reduces energy costs
www.air2guide.com
Specifications A2G-80 Power consumption
1.2 W/2.2 VA
Warm-up time
30 minutes
Humidity range
Max. 85 % rH, non-condensing
Weight
150 g
Output signal
0 ... 10 V, load min. 10 kΩ
Permissible temperatures
Ambient temperature: -20 ... +50 °C
Ingress protection
IP 20
Data sheet
SP 69.01
23
A2G-85
CO2 sensor Model A2G-85
The A2G-85 measures the carbon dioxide content in rooms. Wherever people are staying in rooms, the CO2 content is an evident indicator for the indoor air quality. The higher the CO2 content, the worse the air quality in the rooms. For the CO2 measurement the "Non Dispersive InfraRed (NDIR)" technology with automatic self-calibration is used. For direct connection to a DDC (digital data controller) or a monitoring system analogue 0 … 10 V outputs are available.
Applications
For measuring the CO2
content in rooms
Special features
Simple mounting Compact and robust Direct installation into the
process
Specifications A2G-85 Voltage supply
DC 15 ... 24 V (±10 %) or AC 24 V (±10 %) (SELV)
Terminals
Screw terminal, max. 1.5 mm2
CO2 sensor
0 ... 2,000 ppm
Power consumption
Max. 3 W/max. 6 VA
Output signal
CO2, 0 ... 10 V, load max. 10 mA
Temperature dependency
Accuracy at 21°C
CO2: Typically ±40 ppm +4 % of measured value
Insertion length
300 mm, Ø 30 mm, incl. mounting flange
Permissible temperatures
Ambient temperature: 0 ... +50 °C, max. 85 % rH non-condensing Medium temperature 0 ... +50 °C, max. 85 % rH non-condensing
Case
Ingress protection
Weight
Data sheet
24
CO2: < 0.2 % of full scale value per °C
Plastic with cover crystal-clear 120 x 120 x 85 mm IP 20
1.3 kg
SP 69.07
A2G-90
Differential pressure gauge Airbox with differential pressure switch Model A2G-90
The A2G-90 is a combination of a mechanical analogue indicator and a differential pressure switch, which have been fitted within a plastic case. The case is made from PC/ABS 1625 plastic (H x W x D = 240 x 191 x 110 mm) and with all connections built in. The cover is screwed on. The ingress protection is IP 54. The A2G-90 is ideally suited for the measurement and switching of overpressures and differential pressures in the measuring ranges from 0 ... 250 to 0 ... 6,000 Pa.
Applications
For monitoring the diffe-
rential pressure of air and other non-inflammable and non-aggressive gases Monitoring of air filters, blowers, industrial cooling circuits, flows in ventilation ducts and the control of air and fire dampers Special features
Compact indicator and
pressure switch fitted within a plastic case (Airbox) Single pole micro switch (change-over contact) Switch point adjustable when installed All connections already pre-assembled
Specifications A2G-90 Case
Plastic PC/ABS 1625 (H × W × D = 240 × 191 × 110 mm)
Cover
screwed
Pressure connections
Bulkhead quick connector for hose (4 or 6 mm inner diameter), top mount connection
Ingress protection
Electrical connection Permissible temperature Data sheet
IP 54 per EN 60529/IEC 529
Angular connector DIN 43650, 3-pin + PE Ambient: -30 … +60 °C Medium: -16 … +50 °C PV 27.40
Specifications A2G-10 mechanical differential pressure gauge Accuracy Measuring range Data sheet
± 3 % of measuring range
0 … 250 Pa, 0 … 500 Pa, 0 … 750 Pa, 0 … 1,500 Pa, 0 … 2,000 Pa, 0 … 6,000 Pa PV 07.40
Specifications A2G-40 differential pressure switch Measuring range Data sheet
www.air2guide.com
20 … 200 Pa, 30 … 300 Pa, 30 … 500 Pa, 40 … 600 Pa, 100 … 1,500 Pa, 500 … 4,500 Pa SP 69.02
25
air2guide accessories 1
2
3
4
5
7
8
9
10
11
Description 1 2 3 4 5
6
Built-in case Add-on case Threaded bezel Mounting ring Adapter ring
Duct connector 7
8 9 10
Model
A2G-10
40195571
A2G-10, A2G-15
40217477
Mounting ring
A2G-10, A2G-15, A2G-30, A2G-40, A2G-50, A2G-55
4 mm
40217507
6 mm
40217531
Straight Ø 4 mm Straight Ø 6 mm Angled Ø 4 mm Angled Ø 6 mm Set: 2 × angled and 2 × straight 4 mm Set: 2 × angled and 2 × straight 6 mm Set: 2 × angled 4 mm and 2 × angled 6 mm Set: 2 × straight 4 mm and 2 × straight 6 mm Straight Ø 4 mm with restrictor Straight Ø 6 mm with restrictor Angled Ø 4 mm with restrictor Angled Ø 6 mm with restrictor
40179958 40179966 40179974 40179982 40217728 40217736 40217744 40217752 40241491 40241513 40241483 40241505
With mounting thread G ⅛ for pipes 6.35 mm/¼"
40232867
A2G-10, A2G-15
A2G-10, A2G-15, A2G-30, A2G-40, A2G-50, A2G-55
A2G-10, A2G-15 A2G-10, A2G-15 A2G-05, A2G-10, A2G-15, A2G-30, A2G-40, A2G-50 A2G-10, A2G-15
A2G-10, A2G-15, A2G-30, A2G-40, A2G-50, A2G-55, A2G-60, A2G-70, A2G-80 A2G-10, A2G-15
26
40195597
A2G-05
A2G-15
Measuring tubes
40195562
A2G-15
Cable gland M12
11
E-No. 40195554
A2G-15
A2G-10, A2G-15
Combi tube connection
Specifications
A2G-10
Threaded pressure connection
Screw fitting
6
Matching with threaded bezel 40217477
With mounting thread G ⅛ for inner tube diameter = 4 … 7 mm
40371212 40229424
40141241 40232484
PVC tube Ø 4 mm/roll at 25 m
40217841
PVC tube Ø 6 mm/roll at 25 m
40217850
Silicone tube Ø 4 mm/roll at 25 m
40208940
Silicone tube Ø 6 mm/roll at 25 m
40208958
air2guide accessories
12
13
Description 12
Mounting screws 13
Mounting flange
14
Connections Static duct probes
15 16 17
14
17
Specifications
E-No.
A2G-05, A2G-10, A2G-15
Flat head screw 4.2 × 16
40180018
A2G-25, A2G-40, A2G-50, A2G-55
Slotted pan head screw 3.9 × 19 ST VZN
40213072
Plastic black
40212360
For pipes ¼", insertion length 100 mm
40232956
A2G-30
A2G-60
A2G-70
Slotted pan head screw 4.8 × 50 ST VZN
Plastic black
For pipes ¼", insertion length 150 mm A2G-10, A2G-15
For pipes ¼", insertion length 200 mm
Combi tube connection, insertion length 100 mm Combi tube connection, insertion length 150 mm
A2G-30
Weather protection
A2G-10, A2G-15
www.air2guide.com
16
Model
Filling liquid 30 ml Sticker red/green
15
A2G-30
Combi tube connection, insertion length 200 mm Display fluid red 0.786 Labelling glue
kg/dm3
For air2guide built-in version
40213081
40212351 40232964 40232972 40232981 40232999 40233006
40213714 40213731 40241564
27
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