DIN EN 60521 (1995-07)被替代
Classes 0,5, 1 And 2 Alternating-current Watthour Meters
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Applies to newly manufactured induction-type watthour meters of accuracy Classes 0.5, 1 and 2, for the measurement of alternating current electrical active energy of a frequency in the range 45 Hz to 65 Hz. Applies to the assembly of meters and accessories, including current transformers, when enclosed in the metercase. Does not apply to any kind of measuring device.
Supersedes DIN VDE 0418-1 and DIN VDE 0418-12. (08/2004) Supersedes DIN 57418-1. (10/2004)
SS EN 60521:1995 - Identical
UNE EN 60521:1996 - Identical
I.S. EN 60521:1995 - Identical
IEC 60521 Ed. 2.0 - Identical
BS EN 60521:1995 - Identical
SN EN 60521:1995 - Identical
NF EN 60521:1995 - Identical
VDE 0418-12:1995 - Identical
