IEC 61557-5 Ed. 2.0现行
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
出版：International Electrotechnical Committee
专家解读视频
This part of IEC 61557 specifies the requirements for equipment for measuring earth resistance using an a.c. voltage. This second edition cancels and replaces the first edition published in 1997. This edition constitutes a technical revision. The following changes were made with respect to the previous edition: a) Complete revision of the definitions; b) Revision of some requirements.
OVE/ONORM EN 61557-5:2008 - Identical
GOST R IEC 61557-5:2008 - Identical
PN EN 61557-5:2007 - Identical
VDE 0413-5:2007 - Identical
BS EN 61557-5:2007 - Identical
CEI EN 61557-5 Ed. 2 (2007) - Identical
I.S. EN 61557-5:2007 - Identical
NF EN 61557-5:2007 - Identical
CEI EN 61557-5 Ed. 2 (2008) - Identical
UNE EN 61557-5:2007 - Identical
DIN EN 61557-5 (2007-12) - Identical
SN EN 61557-5:1997 - Identical
SS EN 61557-5 Ed. 2 (2007) - Identical
ONORM OVE EN 61557-5:1997 - Identical
