1,DIN rail installation,22.5mm width 2,Temperature Transmitter 3,dual channel for programmable input 4,K,E,S,J,B,N ... ,T , AI-7021D5 temperature transmitter signal isolator 1. Main ... /AC, -15%,DIN rail installation, little volume and sizedual channel for programmable inputtemperature transmitter or signal isolatormulti input: mA,mV, thermocouple, RTD ...