DIN EN 61557-9 (2015-10)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 9: Equipment For Insulation Fault Location In It Systems (iec 61557-9:2014)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
2015 [01/10/2015]2009 [01/11/2009]2000 [01/08/2000]
Supersedes DIN IEC 85-188-CDV. (05/2002) Supersedes DIN IEC 61557-9. (11/2009) DIN EN 61557-9 issue 11-2009 remains valid alongside this standard until 15-01-2018. (10/2015)
NBN EN 61557-9:2015 - Identical
BS EN 61557-9:2015 - Identical
EN 61557-9:2015 - Identical
