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Acrel WHD72-22 Temperature & Humidity Controller

Name: WHD72-22 Temperature & Humidity Controller
Brand: Jiangsu Acrel Electrical Manufacturing Co., LTD.

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.

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Video of Temperature And Humidity Sensor Controller

Technical Datasheet of WHD72-22 Temperature & Humidity Controller

Technical Parameter		Value
Measuring Range	Temperature	-40.0℃~99.9℃
Measuring Range	Humidity	0%RH~99%RH
Precision	Temperature	±1℃
Precision	Humidity	±5%RH
Transmitting Output		DC 4-20mA or DC 0~20mA
Set range of controlling parameter	Heating for Temperature rising	-40.0℃~40.0℃
	Blowing for temperature decreasing	0.0℃~99.9℃
	Humidity control	20%RH~90%RH
Output Contact Capacity		5A/AC250V
Start/stop gap		5
Communication port		RS485,MODBUS(RTU) treaty
Auxiliary Power	Voltage	AC/DC 85-265V
Auxiliary Power	Consumption	Basic power consumption(≤0.8w)+relay power consumption(each channel≤0.7w)
Insulation Resistanced		≥100MΩ
Power-frequency withstand voltage		power 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
	Altitude	≤2500m