DIN EN 62053-21 (2003-11)现行
Electricity Metering Equipment (a.c.) - Particular Requirements - Part 21: Static Meters For Active Energy (classes 1 And 2)
出版：Verband Deutscher Elektrotechniker
专家解读视频
Applies only to newly manufactured static watt-hour meters of accuracy classes 1 and 2, for the measurement of alternating current electrical active energy in 50 Hz or 60 Hz networks and it applies to their type tests only.
Supersedes DIN EN 61036. (12/2003) DRAFT AMD 1 issued in January 2016. (01/2016)
BS EN 62053-21:2003 - Identical
EN 62053-21:2003 - Identical
SS EN 62053-21 Ed. 1 (2003) - Identical
UNE EN 62053-21:2003 - Identical
IEC 62053-21 Ed. 1.0 - Identical
I.S. EN 62053-21:2003 - Identical
NF EN 62053-21:2003 - Identical
BS EN 62053-21:2003+A1:2017 - Identical
VDE 0418-3-21:2003 - Identical
NBN EN 62053-21:2003 - Identical
