... V, mV etc. (input impedance≥250 KΩ)Switch quantity start, stop, cleanInput signal switch temperature compensation: Pt 100, K, E, 0 ... 20 mA, 0∼5 V, 1∼5V (can free switch) Pressure compensation: 0∼10 mA, 4∼20 mA, ... 0∼5 V, 1∼5 V (can free switch)Output signalAnalog quantity DC 4∼20 mA (load resistance ... ≥250KΩ) DC 0∼5 V (load resistance≥250KΩ)Switch quantity Relay control output ---- ON/OFF with return ...