electricity meter 1.CE UL SAA approved 2.TOP ten in China 3.We can provide meter ,voltmeter,ammter,power ... IndexInput VoltageRated valueAC57.7V,100V,220V,380VOverloadConsistent 1.2 times instantaneous 2 times/30 secConsumption<1VA(each phase)Impedance>500k ... instantaneous 2 times/30 secImpedance<20mΩ(each phase)Frequency45-65HZ(Available in 30%—120% of voltage scope)MeasuringaccuracyVoltage,current±(0 ...