Panel mounted Acrel multifunction digital temperature and humidity controller meter With Interface RS485

WHD Series Temperature & Humidity Controller 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. Our products include WH general series and WHD intelligent series. These products meet the requirements of GB/T 15309-1994.