TREX-C700 temperature control device 1.Pt100, Cu50 input spec. option 2.4~20mA ... deviceWidely used in temperature, humidity, throw, weight, water level, refrigeration ,pressure control system.Features: High accuracy and easy operation. Self diagnoses ... : ±1 digit; Internal measurement correction: 100 yardsControl effectF: PID reverse adjust (for heating) D: PID positive adjust(for refrigeration)Input ...