SS EN 62053-21 Ed. 1 (2003)现行
Electricity Metering Equipment (a.c.) - Particular Requirements - Part 21: Static Meters For Active Energy (classes 1 And 2)
出版：Standardiserings-Kommissionen I Sverige
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 SS EN 61036 (03/2006)
IEC 62053-21 Ed. 1.0 - Identical
I.S. EN 62053-21:2003 - Identical
NF EN 62053-21:2003 - Identical
NBN EN 62053-21:2003 - Identical
DIN EN 62053-21 (2003-11) - Identical
BS EN 62053-21:2003 - Identical
UNE EN 62053-21:2003 - Identical
DIN EN 62053-21:2017 - Identical
BS EN 62053-21:2003+A1:2017 - Identical
EN 62053-21:2003 - Identical
DIN EN 62053-21:2003 - Identical
