Temperature and humidity dual relay switch 12V

This dual relay board features a combined temperature and humidity sensor.

The red display on the left shows the temperature and the blue display on the right shows the humidity.

Power supply: DC 12V
Temperature measurement range: -40~120
Humidity range: 0 ~ 100% RH
Number of relays: 2
Maximum switching voltage: 30VDC / 250VAC
Maximum switching current: 10A

Sensor cable length: 95cm

Dimensions of PCB (LxWxH): 6,5cm x 5,5cm x 1,7cm
Dimensions of sensor (LxWxH): 6,1cm x 2,6cm x 1,7cm

Instructions for use:

Set temperature

Set switch-on temperature

Press and hold button 1 for approx. 3 seconds until the red display starts flashing. The set switch-on temperature will appear. Use buttons 1 (higher) and 2 (lower) to set the desired switch-on temperature. Wait approx. 5 seconds and the switch-on temperature is saved and active.

Set switch-off temperature

Press and hold button 2 for approx. 3 seconds until the red display starts flashing. The set switch-off temperature will appear. Use buttons 1 (higher) and 2 (lower) to set the desired switch-off temperature. Wait approx. 5 seconds and the switch-off temperature is saved and active.

Set humidity

Set switch-on humidity

Press and hold button 3 for approx. 3 seconds until the blue display starts flashing. The set switch-on humidity will appear. Use buttons 3 (higher) and 4 (lower) to set the desired switch-on humidity. Wait approx. 5 seconds and the switch-on humidity is saved and active.

Set switch-off humidity

Press and hold button 3 for approx. 3 seconds until the blue display starts flashing. The set switch-off humidity will appear. Use buttons 3 (higher) and 4 (lower) to set the desired switch-off humidity. Wait approx. 5 seconds and the switch-off humidity is saved and active.

Dimensions
Length: 6,48cm
Width: 5,1cm
Height: 1,59cm