The products are widely used in scientific research,pertroleum, chemistrical industry. offer higher good quality. Input signalThermocouple K, E, S, ... below load resistance 600Ω)Alarm type high limit alarm, lower limit alarm, upper high limit alarm, below lower limit ... RS485Power output DC24Vused in double line transmitterWork power AC 220V±10% 50/60Hz,AC85-264V 50/60Hz Temperature Controller