... 4-20mA ). 85 to 264Va TEH-C series intelligent PID digital controllers adopt advanced micro-process technology, ... temperature: -30...85°CAmbient humidity for use and storage: 10...90% RH (non-condensing) Detailed SpecificationsIntelligent temperature controller (digital temperature controller ... than 5 VAControl algorithms optionsP, PI, PD, PID, or on/offAlarmsUpper limit alarm, lower limit alarmWorking ...