

Acrel WHD20R-22 Temperature & Humidity Controller

Name: WHD20R-22 Temperature & Humidity Controller
Brand: Jiangsu Acrel Electrical Manufacturing Co., LTD.

WHD series smart temperature and humidity controller is suitable for adjustment and control of temperature and humidity in equipments of high voltage switchgear, terminal box, ring network panel, box transformer substation etc. It can effectively protect relevant equipment from faults resulting from excessive low or high temperature, creepage or flashover etc.from humidity or condensation.

Products

Video of Temp Humidity Controller

Technical Datasheet of WHD20R-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