PID temperature controller 1) Multi input 2) Dual 4 digits display with 7segments LED 3) dual output 4) RS485 interface Temperature Controller ... 60Hz types of input: thermocouple (8types), RTD (3 types), DC current (2 types) and DC voltage (2types) output: Relay contact ... 0-20mA, 4-20mA, 0-5V, 1-5V2) Output: relay output, SSR logic output, mA/V output3Two configurable relay alarms,contact capacity ...