BS EN 62053-24. Electricity metering equipment (a.c.). Particular requirements. Part 24. Static meters for reactive energy at fundamental frequency (classes 0,5 S, 1S and 1)— 23 стр.
Electricity metering equipment (AC) - Acceptance inspection - Part 31: Particular requirements for static meters for active energy (classes 0,2 S, 0,5 S, 1 and 2)— 27 стр.
