... Energy Meter Features: 1) True effective measure: voltage, current, active power, reactive power, power factor, frequency, Kwh, etc. Total 28 ... phase .3) Display: 3 lines 4 digit LED to show the above value. 3 phase 3 ... voltage, 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 ...