NBN EN 62053-21:2003现行
Electricity Metering Equipment (a.c.) - Particular Requirements - Part 21: Static Meters For Active Energy (classes 1 And 2)
出版：Belgian Standards
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 NBN EN 61036. (05/2004)
EN 62053-21:2003 - Identical
SS EN 62053-21 Ed. 1 (2003) - Identical
UNE EN 62053-21:2003 - Identical
I.S. EN 62053-21:2003 - Identical
NF EN 62053-21:2003 - Identical
DIN EN 62053-21 (2003-11) - Identical
BS EN 62053-21:2003 - Identical
DIN EN 62053-21:2017 - Identical
BS EN 62053-21:2003+A1:2017 - Identical
DIN EN 62053-21:2003 - Identical
BS EN 62053-21 : 2003 - Identical
I.S. EN 62053-21:2003 - Identical
NF EN 62053-21 : 2003 AMD 1 2017 - Identical
UNE EN 62053-21 : 2003 - Identical
DIN EN 62053-21 : 2017 - Identical
EN 62053-21 : 2003 AMD 1/COR 18 - Identical
I.S. EN 62053-21:2003 - Identical
UNE EN 62053-21 : 2003 - Identical
NF EN 62053-21 : 2003 AMD 1 2017 - Identical
BS EN 62053-21 : 2003 - Identical
DIN EN 62053-21 : 2017 - Identical
