Model DEM091QB single phase electronic prepayment front board installed active energy meter is a kind of single phase two wire active energy meter which purchase electricity by IC card, electric energy measuring, load control and using electricity management. The meter completely accord with relevant technical requirements of class 1 single phase active energy meter stipulated in international standard IEC 62053-21. It can accurately and directly measure 50Hz or 60Hz active energy consumption from single phase AC electricity net, it is use install in meter box indoor or out door. This meter has LCD monitors shows active energy. It has following features: Good reliability, light weight, specious nice appearance, convenient installation, etc.

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