... Control way: Fuzzy PID control, states control, manual control4. Control output: Relay contact point: AC250V 3A (resistance) logical voltage DC 0 ... alarm, below low limit alarm6. Transmitter output: 0~10mA, 4~20mA, 0~5V, 1~5V8. Power output: DC24V(used in double line transmitter ... )9. Working power: AC220V+/-10%, 50/60Hz, AC85~264V ...