... to 264Vac, 220Vac, 110Vac, 380Vac, 50/60 HzInput typesThermocoupleK, J, E, S, N, T, B, R, WReResistive thermal detectorCu50, Pt100, Cu100, BA2, BA1 ... on/offAlarmsUpper limit alarm, lower limit alarmOperating temperature0 to 50 °C (32 to 122 °F)Operating humidity85% RH max, non-condensingExternal ...