... multi-output(Relay, SSR, 4-20mA ). 85 to 264Va TEH-C series intelligent PID digital controllers adopt advanced micro-process technology ... -199.9 to 1800 degree CelsiusResolution ±1digitSupply voltage85 to 264Vac, 50/60 HzInput typesThermocoupleK, J, E, S, N, T, B, ... , or on/offAlarmsUpper limit alarm, lower limit alarmWorking temperature0 to 50 °C (32 to 122 °F)Working humidity85% RH max, non- ...