High-precision measure three-phase voltage,three-phase current,active power,reactive power ,apparent power,power ... Strong isolation, Anti-Vibration.Performance CharacteristicsHigh-precision measure three-phase voltage,three-phase current,active power,reactive power ,apparent power,power factor ... *45Terminal diagramThe wiring diagram 96*96 SINGLE-PHASE AC VOLTAGE LED DIGITAL COMBINATION METER RH-UI32