The products are widely used in scientific research,pertroleum, chemistrical industry. offer higher good quality. Input signalThermocouple K, E, S, B, ... -10mA4-20mA0-5V1-5VJunction RS485Power output DC24Vused in double line transmitterWork power AC 220V±10% 50/60Hz,AC85-264V 50/60Hz Temperature Controller