XH-M452 temperature and humidity control module, high-precision dual output constant temperature and humidity control board

Product Parameters

Input voltage: DC12V

Output power: 120W

Output type: Relay output

Output capacity: Maximum 10A

Temperature measurement range:- 20~100°C

Control accuracy: ± 0.1 '℃ ± 0.1% RH

Maximum output control range: 250VAC/10A or 30VDC/10A

Product Functions

Operating instructions

1. Set the startup temperature/humidity

Press the "+" up button once to display the startup temperature/humidity. Long press the up button for about 3 seconds to stop the temperature/humidity value flashing. Press the+- button to set the desired temperature/humidity value.

2. Set the stop temperature/humidity

Press the "-" button once to display the stop temperature/humidity. Press and hold the button for about 3 seconds to stop the temperature/humidity value from flashing. Press the+- button to set the desired temperature/humidity value.

(Automatic confirmation return without button operation for 5 seconds)

3. Temperature/humidity calibration

Press and hold one button simultaneously to display 00. Use the "+" and "-" buttons to set the desired calibration temperature/humidity. (Note: In the setting, if the detected temperature value is 0.5 ℃ higher than the actual temperature value, the calibration temperature that needs to be set is -0.5 ℃. If the detected value is 1 ℃ lower than the actual temperature, the calibration temperature that needs to be set is 1 ℃. The detected temperature+calibration temperature=actual temperature.)

4. Restore factory settings

When powered on, press and hold the temperature: "-" button and humidity "+" button for 3 seconds at the same time, and the digital display will show 888, which will restore the factory settings.

Heating case:

Control the water heater, stop heating when the temperature reaches 50 ℃, and restart heating when the temperature returns to 40 ℃

Setting steps:

Confirm the working mode as heating mode, start temperature<stop temperature stop

Long press the "+" button to start the temperature value flashing, set the starting temperature value to 40 ℃

Long press the "-" key to stop the temperature value flashing, set the stop temperature value to 50 ℃

Refrigeration case:

Control the cabinet radiator, stop dissipating heat when the temperature reaches 26 ℃, restart the radiator when the temperature rises to 30 ℃

Setting steps:

Determine the working mode as cooling mode, start temperature>stop temperature stop

Long press the "+" button to start the temperature value flashing, set the starting temperature value to 30 ℃

Long press the "-" key to stop the temperature value flashing, set the stop temperature value to 26 ℃

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