Type DDS910 single phase long life watt-hour meter is a kind of induction type meter which measure active energy and reactive energy electric power consumption in rated frequency 50Hz and single phase AC electricity net. The meter has the following features: Novel design, rational structure, high overload, high stability, long life and easy adjustment. Its technique performance are completely conform to the stipulated requirement of National Standard GB/T15283-94 and International Standard IEC521.
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