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 4:Resistance of earth connection and equipotential bonding
IDT IEC 61557-4:2007
全国电工仪器仪表标准化技术委员会(SAC/TC 104)
GB/T 18216的本部分规定了测量设备的要求，这些测量设备是以测量值指示或以极限值指示的用于测量接地导体、保护接地导体以及包括连接线和端子在内的等电位连接导体的电阻的设备。
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