Jiangsu Acrel Electrical Manufacturing Co., LTD.
Jiangsu Acrel Electrical Manufacturing Co., LTD.
  • whd72 22 temperature humidity controller
  • whd72 22 temperature humidity controller

Acrel WHD72-22 Temperature & Humidity Controller

The WHD72-22 Temperature & Humidity Controller is a digital controller for relative humidity and temperature. Its 2 relay outputs can be configured independently as control or alarm, either for temperature or relative humidity. The features of a particular model (mains supply, digital communication, etc) are identified by the label placed on the thermostat body.

Video of Temperature And Humidity Sensor Controller

Technical Datasheet of WHD72-22 Temperature & Humidity Controller

Technical ParameterValue
Measuring RangeTemperature-40.0℃~99.9℃
Transmitting OutputDC 4-20mA or DC 0~20mA
Set range of controlling parameterHeating for Temperature rising-40.0℃~40.0℃
Blowing for temperature decreasing0.0℃~99.9℃
Humidity control20%RH~90%RH
Output Contact Capacity5A/AC250V
Start/stop gap5
Communication portRS485,MODBUS(RTU) treaty
Auxiliary PowerVoltageAC/DC 85-265V
ConsumptionBasic power consumption(≤0.8w)+relay power consumption(each channel≤0.7w)
Insulation Resistanced≥100MΩ
Power-frequency withstand voltagepower with shell,touchable metal parts/power with other terminal group 2kV/1 min(AC.RMS)
Average work time without stoppage≥50000 hours
Working condition(controller)Temperature-20℃~+60℃
Humidity≤95%RH,without condensation and corrosive gas

Benefits of WHD72-22 Temperature & Humidity Controller

  • Optional functions: alarm, communication, analog output
  • Temperature and humidity measuring & controlling

  • Panel mounted

Looking Forward To Our Cooperation?

Any IoT energy management system problem pls contact us, our experts will reply you within 24 hours.

Send Inquiry Now
  • Tel:


  • Address:

    No.5 Dongmeng Road, Nanzha Street, Jiangyin City, Jiangsu Province, China.