Acrel Whd72-22 RS485 Modbus Communication Digital Temperature Humidity Controller Sensor

Product DescriptionWHD72-22 Two-channel Temperature & Humidity ControllerGeneralThe 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, communication, analog output2.Temperature and humidity measuring & controlling3. Panel mounted4.Communication:RS485 (Modbus-RTU) 5. Display:LED display  Technical ParametersTypes  Product 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 Connection Quotation/* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1