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Temperature Control, Benchtop / Wall / Alarms
Temperature
Benchtop Variable-Voltage Output Controller
Controller with Timer
Conveniently regulate the input voltage through the selector knob
Turns equipment on or off at set temperature and at specified times
This solid-state proportionalvoltage power controller provides manual control of heating mantles, tapes, cords, and other resistive leads. To operate, plug a resistive load into the receptacle on the back of the unit and adjust the control dial to the desired level. The higher the selected number on the dial, the higher the voltage and the hotter the load will get. To save bench space, mount the unit to a support pole or lattice using the included bracket.
Use this plug-in controller to control heating elements, cooling blocks, hot plates, heating mantles, cooling systems, incubators or more. Program up to three pairs of on/off switchings per day at specified times. Easy to view 1/2" tall display shows both temperature and time. Back-up battery keeps settings safe from power outages.
36225-59
What’s included: 6-ft (1.8-m), three-wire attached power cord and lattice support bracket.
Specifications Range: 5 to 100% of rated voltage Control type: variable voltage Display: reference knob, 0 to 100% Load ratings: 1200 watts resistive, 10 amps Catalog number TW-36225-59
Operating temperature: 0 to 149°F (–18 to 65°C); 0 to 90% RH, noncondensing Dimensions (W x H x D): 4" x 33⁄8 " x 4" (10.2 x 8.5 x 10.2 cm)
Input type
Control Alarm Ramp/ Recorder Power output output rate output (60 Hz) Proportional None None None 120 VAC None voltage control
Price
TW-17101-63 NIST-traceable calibration with data
Price
Built-in audible and visual alarms Designed to monitor temperatures from 0 to 50°F or –18 to 10°C, perfect for freezers and refrigerators. Alarms sound on a temperature rise above set point or temperature drop below set point, switch selectable. Flashing light and audible alarm alert you to alarm condition, relay output powers external device. “On” light indicates that power is being supplied to refrigerator or freezer. Analog set point adjustment.
What’s included: Model 36225-91 has a 6-ft (1.8-m) cord with US plug; model 36225-92 has a 4-ft (1.2-m) cord without plug.
36225-91
Specifications
10461-00
The temperature sensor wire can be spliced and extended up to 200 feet using 22-gauge wire. Alarms have remote screw connections for external devices or remote alarms. Plastic case has screw holes for surface mounting. What’s included: a 6-ft probe and 6-ft (1.8-m) power cord with plug.
Range: 6 to 100% of time Control type: on/off percent timer Display: reference knob, low to high Load ratings Model 36225-91: 1440 watts resistive Model 36225-92: 2400 watts resistive
1744
Power (50/60 Hz) 115 VAC or two AAA batteries (included)
Temperature Alarms
This timed controller turns the output load on and off and then repeats the cycle. Each position on the knob from low to high represents a specific cycle time where the “on” time ranges from 6 to 100 percent. For example, the low setting represents a total cycle of 60 seconds with an “on” time of 4 seconds. This type of control can be used to regulate the temperature of resistive loads. The pilot light on the front will glow when power is being supplied to the load.
None
94460-45 Control output: relay rated for 115 VAC, 1800 W, 15 A Sensor: integral (in cable) Dimensions (W x H x D): (relay and controller) 23⁄4" x 51⁄2" x 11⁄4" (7.0 x 14.0 x 3.2 cm) each
TW-09376-00 Replacement batteries, AAA. Pack of 12 TW-17101-63 NIST-traceable recalibration with data
Easily control output wattage to a resistive load from 6 to 100%
Input type
Specifications Range Time: 1 sec to 23 hr, 59 min, 59 sec Temperature: –4 to 140°F (–20 to 60°C) Resolution Temp: 0.1°F/°C; Time: 1 sec Accuracy: ±1.8°F (±1°C) Catalog number TW-94460-45
Variable-Time Power Controller
Catalog number TW-36225-91 TW-36225-92
Relay accepts What’s included: relay, a US 31/2-ft relay cable, 31/2-ft (1.0-m) sensor cable with integral sensor, standard three-prong calibration document supplied plug by manufacturer, and two AAA batteries.
Control output Percent timer
Operating temperature: 0 to 149°F (–18 to 65°C); 0 to 90% RH, noncondensing Dimensions (W x H x D): 21⁄2 " x 2" x 41⁄4 " (6.3 x 5 x 10.8 cm)
Alarm output
Ramp/ soak
Recorder output
None
None
None
Power (60 Hz) 120 VAC 240 VAC
Price
Specifications Sensor: encapsulated, solid-state Accuracy: ±2°F (±1°C) sensor with 6-ft (1.8-m) lead Alarms: 50 dB audible alarm, light indicator Dimensions (W x H x D): 3" x 47⁄8" Alarm output: SPST relay (NO) rated for x 15⁄8" (7.6 x 12.4 x 4.1 cm) 0.5 A at 120 VAC Catalog number TW-10461-00 TW-10461-10
Temp range –10 to 80°F –25 to 30°C
Power 110 VAC 110 VAC
TW-17101-63 NIST-traceable calibration with data
US Toll-free: 800-323-4340 • Outside the US: 1-847-549-7600 • www.coleparmer.com Canada 800-363-5900 • India 91-22-6716-2222 • UK 0500-345-300
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