... / Controller for Temperature, Humidity, Pressure, Air-Conditioning, Gas Detector, DC Current/Voltage Standard : T/C, RTD, Linear Input selection. Fuzzy enhanced PID Control ... Ωmin.)GeneralRated Voltage: AC 90~264VAC 50 / 60HZ; DC 24VAmbient Temperature: 0~50°CAmbient Humidity: 0~90 %Consumption: Less than 5VA