Digital Thermostat Module W1209 DC12V (Temperature -50 to +110 Celsius) w/ 20A Relay

  • RM18.00

  • Product Code: Thermostat W1209
  • Availability: In Stock

  • Temperature range: -50 ~ 110 ℃
  • Resolution: 0.1 ℃ between -9.9 ~ 99.9 ℃;  1℃ at other range
  • Temperature measurement accuracy: 0.1 ℃
  • Control accuracy: 0.1 ℃
  • Backlash accuracy: 0.1 ℃
  • Refresh rate: 0.5 second
  • High Temperature Protect:  0 ~ 110 ℃
  • Motherboard Power Supply: DC 12V
  • Output: 1 channel relay output, capacity=10A
  • Measurement input: NTC (10K 0.5%) Waterproof sensor
  • Environmental requirements: -10 ~ 60 ℃ ; Humidity 20% -85%
  • Size: 48 x 40mm
  • Power consumption: Quiescent Current: ≤35MA

How to operate:

Connect the power supply and equipment, the controller can be powered to measure the temperature is displayed, press the SET button, the display temperature flashes, press + – to set the desired temperature (hold down the + – quick lift) set When finished, press SET to confirm and return, then the controller automatically execute by setting the relay off. The thermostat is 20A relay outputs to meet a variety of high-power loads.

The lights, LED and buzzer status description
LED: Extinguish to indicate relay off, light indicate the relay is closed
Digital Tube: Showing LL means sensor opens; display HH indicates beyond the measurement range thermostat will forcibly disconnect relay; high-temperature alarm display.

 

Code Indicating Set range Inital Setting
P0 Mode set (Heating or Cooling) C/H C
P1 Set return difference 0.1-15 2
P2 Up limit 110 110
P3 Down limit -50 -50
P4 Temp. Adjust -0.7-7℃ 0
P5 Delay start time 0-10 minutes 0
P6 High temp.alarm ON / OFF off
P7 High temp.alarm Adjust 0-110℃ 50
P8 Reset    
At “OFF” state, Long press  + and - to start and then recovery to inital set.

 

E.g. Cut off relay trigger by temperature 65℃:

Power on the module, shows the current temperature detected by probe sensor.

  1. Short press SET to set to "65" (short press + or -)
  2. Enter Menu (long press SET button for 5s)
  3. Select to P0 (short press SET), set value to H (short press + or -)
  4. Exit to Menu (short press SET), goto P7 (short press + or -) and Enter (short press SET), then set the value to "65"
  5. Exit to Menu (short press SET), then long press SET to exit to temperature (long press SET button for 5s)

Finally heat up the probe sensor above 65℃ to cut off the relay.

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Tags: Thermocouple, Temperature