Gomelong is a professional manufactures of Single Phase Two Wire Electricity Energy Meter. Our professional expertise in manufacturing Single Phase Two Wire Electricity Energy Meter has been honed over the past 10+ years. Single Phase Two Wire Electricity Energy Meter completely accords with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC62053-21.Single phase two wire electricity energy meter uses bidirectional measurement, reverse energy calculated into forward.