This part of IEC 61557 specifies tne general requiremenis Tor measuring ana monnonng equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1 000 V a.c. and 1 500 V d.c. When measuring equipment or measuring installations involve measurement tasks of various measuring equipment covered by this series of standards, then the part of this series of standards relevant to each of the measurement tasks is applicable. NOTE The term "measuring equipment" will hereafter be used to designate "testing, measuring and monitoring equipment".
IEC 61557-1-2007由国际电工委员会 IX-IEC 发布于 2007-01。
IEC 61557-1-2007 在中国标准分类中归属于: N22 电能测量和负荷控制系统,K40 输变电设备综合,在国际标准分类中归属于: 17.220.20 电和磁量值的测量。
* 在 IEC 61557-1-2007 发布之后有更新,请注意新发布标准的变化。
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