Jiangsu Acrel Electrical Manufacturing Co., Ltd.  

Product Name: Acrel Whd20r-22 DIN Rail LED Display Digital Multi-Channel Temperature and Humidity Controller for Cabinets Model NO.: WHD20R-22 Material: Thermocouple Display: Digital Usage: Industrial Accuracy: Temp: Minus or Plus 1 Centigrade Degree Product Name: Temperature & Humidity Controller Brand: OEM ODM Auxiliary Power Supply: AC85-265V/DC 100V~350V Installation: DIN Rail Type Measuring Temp Range: -40~99 Centigrade Degree Measuring Humidity Range: 20%~90&Rh Trademark: ACREL Transport Package: Fob Shanghai Origin: China Product Description Product DescriptionWHD20R-22 Din Rail Temperature & Humidity Controllermeasure and control 2 channel temperature,2 channel humidityGeneralThe controller for temperature and humidity 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.Features1.Optional functions: alarm, communication2.Temperature and humidity measuring & controlling3.DIN rail mountedTechnical ParametersTypesProduct NameFunction DescriptionOptional FunctionsWHD48-11LED display;Measure display and control 1 channel temperature and humidity/C:RS485 communicationWHD72-11LED display;Measure display and control 1 channel temperature and humidity/J: relay alarm output/C:RS485 communication/M: analog output(DC4-20mA)/UT:Utility Tunnel(M & C cannot be select at the same time)WHD72-22LED display;Measure display and control 2 channels temperature and humidityWHD20R-11LED display; Din rail mountMeasure display and control 1 channel temperature and humidity/J: relay alarm output/C:RS485 communication(C&J can be selected at the same time)WHD20R-22LED display;Measure display and control 2 channels temperature and humidityWHD46-11LED display;Measure display and control 1 channel temperature and humidity/J: relay alarm output/C:RS485 communication/M: analog output(DC4-20mA)(Choose one from above three)WHD46-22LED display;Measure display and control 2 channels temperature and humidityWHD46-33LED display;Measure display and control 3 channels temperature and humidityFuncitonWiringTypical ConnectionQuotation