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適用范圍 Application

DTS2121系列三相電子式有功無功組合電能表采用超低功耗大規模集成電路技術和 SMT 制造工藝；產品的技術可靠性高，壽命長，能準確測量參比頻率為 50Hz 的三相電網中有功電能和無功電能，產品的技術指標符合 GB/T17215.321-2008、GB/T 17882-1999 標準對三相靜止式有功、無功電能表的要求。

DTS2121 series three-phase electronic combination watt-hour meter for active and reactive energy adopts ultra-low power consumption large-scale integrative circuit  technology as well as SMT technology, it presents high reliability and long service life,can measure active energy and reactive energy at three-phase power grid of reference frequency 50Hz correctly, each technical index of product conforms to requirements for threephase  static watt-hour meters for active and reactive energy stipulated in standards GB/T17215.321-2008 and GB/T 17882-1999.