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适用范围 Application

DTS2121系列三相电子式有功无功组合电能表采用超低功耗大规模集成电路技术和 SMT 制造工艺；产品的技术可靠性高，寿命长，能准确测量参比频率为 50Hz 的三相电网中有功电能和无功电能，产品的技术指标符合 GB/T17215.321-2008、GB/T 17882-1999 标准对三相静止式有功、无功电能表的要求。

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.