... as 3-phase under-voltage/lacking phase/over current/breaking line protection; Current: isolated analoge output 4-20mA for any ... of different models of products, including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor ... Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State Relay, Proximity Sensor, ,Pressure sensor ,load cell sensor ...