DEM121 Single phase mechanical energy meter is a kind of mechanism-electronic integrative new-style watt-hour meter which is designed and manufactured by our company and developed for adapting townsman using electricity measuring and concentrative management as multiplayer residence and storied buildings and supplying collecting transcription meter system impulse group of formed direct ratio with using electricity quantity. DEM121 Single phase mechanical energy meter is suitable for measuring rated frequency 50Hz single phase AC active energy electric energy. Its technical performance are completely conform to National Standard GB/T15283-94 and international standard IEC60521.Structure and features DEM121 Single phase mechanical energy meter use type DEM121 single phase watt-hour meter as basal meter,and add a impulse occurring device sampling by magnetoelectricity sensor. It has the following functions: adjust impulse width, LED impulse output indication, anti-dithering, wide temperature working range (-40-80°C) high reliability and long life, can choose inner placed current as power supply electrical source. Our Products
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