... feature: 1. Input signal: Thermocouple: K, E, S, B, J, T, R, N thermal resistance: Pt100, Cu100, Cu50, BA2, BA1, GPt100 mini ... ~20mA, 0~5V, 1~5V8. Power output: DC24V(used in double line transmitter)9. Working power: AC220V+/-10%, 50/60Hz, AC85 ...