Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.—Equipment for testing,measuring or monitoring of protective measures—Part 5:Resistance to earth
IDT IEC 61557-5:2007
全国电工仪器仪表标准化技术委员会(SAC/TC 104)
GB/T 18216的本部分规定了使用交流电压来测量对地电阻的设备的要求。
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