DIN EN 61557-5 (2007-12)现行
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
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Defines requirements for equipment for measurement of the earth resistance by means of an a.c. voltage.
Supersedes DIN EN 50197-5. (12/2001) Supersedes DIN IEC 61557-5. Applies in conjunction with DIN EN 61557-1 issue 12-2007. (12/2007)
SS EN 61557-5 Ed. 2 (2007) - Identical
I.S. EN 61557-5:2007 - Identical
UNE EN 61557-5:2007 - Identical
BS EN 61557-5:2007 - Identical
SN EN 61557-5:1997 - Identical
IEC 61557-5 Ed. 2.0 - Identical
NBN EN 61557-5:2007 - Identical
NF EN 61557-5:2007 - Identical
