Electricity metering equipment (AC) - Acceptance inspection - Part 21: Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2)— 29 стр.
Electricity metering equipment (a.c.). Acceptance inspection. Particular requirements for electromechanical meters for active energy (classes 0,5, 1 and 2 and class indexes A and B)— 28 стр.
Specification for special design and other features of alternating current watthour meters for active energy for use in the UK (Accuracy Classes A and B)— 34 стр.
Code of practice for special design and other features of alternating current watthour meters for active energy (MID accuracy classes A and B) for use in the UK— 28 стр.
Electricity metering equipment (a.c.) -- Part 1: General requirements, tests and test conditions - Metering equipment (class indexes A, B and C) (english version)
