
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 12: Performance Measuring And Monitoring Devices (Pmd)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2008 [01/12/2008]DRAFT 2007 [01/05/2007]
IEC 61557-12 : 1.0 - Identical
EN 61557-12 : 2008 - Identical
DIN EN 61557-12 : 2008 - Corresponds
IEC 61557-12 : 1.0 - Identical
DIN EN 61557-12 : 2008 - Corresponds
IEC 61557-12 Ed. 1.0 - Identical