... ,current ,active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , High ... -phase current,active power,reactive power ,apparent power,power factor ,frequency.LED or LCD display , Local data queryCurrent Conversion Ratio is ... wiring diagram 96*96 SINGLE-PHASE THREE ROW AC VOLTAGE FREQUENCY LED DIGITAL COMBINATION METER RH-UIF33