NEN EN IEC 62053-21 : 2003 AMD 1 2017
Current
Current
The latest, up-to-date edition.
ELECTRICITY METERING EQUIPMENT (A.C.) - PARTICULAR REQUIREMENTS - PART 21: STATIC FOR ACTIVE ENERGY (CLASSES 1 AND 2)
Published date
12-01-2013
Publisher
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.
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