Specifies requirements for equipment for measuring the earth resistance using an a.c. voltage
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IEC 61557-5 Ed. 1.0 b:1997
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Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 5: Resistance to earth
International Electrotechnical Commission , 02/18/1997
Pages: 15
