BS EN 62053-22. Electricity metering equipment (a.c.). Particular Requirements. Part 22. Static meters for active energy (classes 0,1 S, 0,2 S and 0,5 S)— 17 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.