... 2.Measure active energy 3.Adopt dedication meterage chip ADE7755 Static Single-Phase Electric Energy Meter uses advanced special recording integrated circuit with ... in AC single-phase watt-hour with its recording frequency of 50Hz, it is highly accurate, reliable, durable, low power consumption, ... requirements of GB/T17215-1998. current2.5(10),5(20),5(30)10(40),15(60),20(80)Avoltage 220V,230Vfrequency ...