... Kilowatt Hour Meter and GB/T18460-2001,IC Card Prepaid Power Sale System.2.2 When voltage of power ... affected.2.3 Specification of Kilowatt Hour Meter:2.3.1 Reference voltage (V): 220V or 230V, 240V2.3 ... factor is 1).2.6 Creeping: 115% Un on voltage, when no current on current circuit, no more ... one pulse output from Kilowatt Hour Meter.2.7 Power consumption: on voltage circuit<2.0W, on current circuit ...