... , current, power factor, active power, reactive power etc., select freely.5) Transformed analog output 4-20mA for voltage, current, active power, reactive power, frequency power factor etc ... Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State ...