W1209 Temperature Controlled Switching module




1.100% fully machine SMT, wave soldering, stable performance, good consistency

2. Embedded central processor chip (MCU), more intelligent, lower power consumption

3. Set up automatic power-off memory (MCU built-in EEPROM memory cell)

4. Control accuracy of 0.1 degrees Celsius

5. Hysteresis 0.1 from setting, you can control the decimal (0.1 to 15.0)



Temperature control range:-50 ~ 110

Resolution:-9.9 to 99.9 0.1when other temperature ranges 1

Temperature measurement accuracy:0.1

Control accuracy:0.1

Backlash accuracy:0.1

Refresh rate:0.5 S

Input Power:DC 5V, DC 12V, DC 24V

Measurement input:NTC (10K 0.5%) Waterproof sensor

Output:?1 relay output, capacity = 20A 125VAC, 20A 14VDC

Environmental requirements:-10 ~ 60???Humidity 20% -85%

Size:48.5 * 40mm

Power consumption:Quiescent Current: 10MA pull current: ?65MA


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, after setting finished, press SET to confirm the return, this When the controller automatically executed by setting the relay off. The thermostat 20A relay outputs to meet a variety of high-power loads, connect the control circuit can be powered for the thermostat, then the display shows the ambient temperature.

Temperature controlled devices
Fish Tank
Plants area
Temperature based switching


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