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THERMOSTATIC CONTROL MODULE

CAT # THM-4 (1 Review) Write a Review

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$6.00 each
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Product Description
Digital module can be programmed to turn equipment on or off at specific, pre-set temperatures. Also has hysteresis setting, delay setting, upper-limit setting and upper limit alarm setting. Displays temperature in Celsius on 3-digit LED display. On-board 20A relay. Waterproof temperature sensor. Three buttons for navigating temperature parameters and other functions. Operating voltage 12 Vdc. Overall dimensions 48mm x 40mm x 14mm.
Spec sheet available in PDF format.
WARNING: May cause cancer or reproductive harm.
California Prop. 65
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Customer Reviews (1 Review)

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Capable package, great price

Reviewer: from Hampton Bays, NY

Good capability for the price, but here are some considerations:

- Can only display in degrees C.
- Maximum temperature is 110 C both for setpoint and alarm.
- Minimum temp. is -39 C.
- Total sensor length is about 12 inches, but could be extended.
- Can be configured for heating (relay contacts open on reaching temp.) or cooling (contacts close).
- Relay contacts Normally Open when unit is unpowered.
- Relay case shows contact rating of 20 Amp. at either 14 VDC or 125 VAC, although I would use
it to operate a heavier duty mechanical or Solid State Relay for continuous currents that high.
- Comes with a single page of instructions that are easy to follow.

5 of 5 people found this review helpful. Do you? Yes No  Certified buyer


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