Applies 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.
SANS 62053-23:2003 history
2003SANS 62053-23:2003 Electricity metering equipment (a.c) - Particular requirements Part 23: Static meters for reactive energy (classes 2 and 3)