
BS EN IEC 62053-23. Electricity metering equipment (a.c.). Particular requirements. Part 23. Static meters for reactive energy (classes 2 and 3)
出版:British Standards Institution

專家解讀視頻
This part of IEC 62053 applies only to newly manufactured static var-hour meters of accuracy classes 2 and 3 for the measurement of alternating current electrical reactive energy in 50 Hz or 60 Hz networks and it applies to their type tests only.
IEC 62053-23 : 1.1 - Identical