XH-M451 Humidity Control Module Imported Humidity Probe Humidity Control Board Humidity Control Switch Controller

Feature Product model XH M451Measuring range 00 99 RHMeasurement accuracy ±5 40 80 Product size 59 40 17mmPower selection 12V DC Instructions for use 1 Turn on the power 12V DC humidity controller and press and hold the button for 2s to enter the humidity adjustment setting 0 99 4 humidity rises one humidity drops2 When the ambient humidity is higher than the set humidity the relay is closed and the bulb lights up When the ambient humidity is lower than the set humidity the relay is disconnected and the light is off Parameter setting example Example 1 I want to set the humidity higher than 70 to dehumidify and the dehumidification stops at 60 then the parameters should be set to 70 60 Example 2 I want to set the humidity below 40 for humidification and the humidification will stop at 80 then the parameters should be set as 40 80 The factory value of the humidity sensor module is 40 60 RH pleasant indoor humidity If you want to restore the factory setting please press press for 1s Package includes 1 x XH M451 Humidity Control Module