Specifies the requirements for equipment for measuring earth resistance using an a.c. voltage.
KS IEC 61557-5:2019
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.
Number of Pages:24
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Kes 3,605.00