
Electricity Metering Equipment (A.C.) - Acceptance Inspection - Part 21: Particular Requirements For Electromechanical Meters For Active Energy (Classes 0,5, 1 And 2 And Class Indexes A And B)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2011 [01/04/2011]DRAFT AMD A 2007 [01/10/2007]
Supersedes DIN EN 60514 and DIN IEC 62058-21. (04/2011)
IEC 62058-21 : 1.0 - Identical
VDE 0418-8-21 : 2011 - Corresponds
VDE 0418-8-21 : 2011 - Corresponds
IEC 62058-21 : 1.0 - Identical
EN 62058-21 : 2010 - Identical
EN 62058-21:2010 - Identical