European Standard, American Standard, Chinese Standard, British Standard, Germany Standard, South African Standard, Italian Standard, Swiss Standard, IEC Standard
Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters
European Standard, American Standard, Chinese Standard, British Standard, Germany Standard, South African Standard, Italian Standard, Swiss Standard, IEC Standard