DIN EN 60521 : 1995被替代
CLASSES 0,5, 1 AND 2 ALTERNATING-CURRENT WATTHOUR METERS
出版：German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻
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.
NF EN 60521 : 1995 - Identical
SN EN 60521 : 1995 - Identical
IEC 60521 : 2.0 - Identical
I.S. EN 60521:1995 - Identical
BS EN 60521 : 1995 - Identical
NBN EN 60521 : 1995 - Identical
UNE EN 60521 : 96 CORR 99 - Identical
EN 60521 : 95 CORR 97 - Identical
VDE 0418-12 : 1995 - Corresponds
NF EN 60521 : 1995 - Identical
VDE 0418-12 : 1995 - Identical
BS EN 60521 : 1995 - Identical
I.S. EN 60521:1995 - Identical
SN EN 60521 : 1995 - Identical
UNE EN 60521 : 96 CORR 99 - Identical
NBN EN 60521 : 1995 - Identical
