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IEC 60051-9:1988 ed4.0

Заменен
Direct acting indicating analogue electrical measuring instruments and their accessories. Part 9: Recommended test methods — 131 стр.
Gives test methods for direct acting indicating analogue electrical measuring instruments and their accessories, but no requirements since these are contained in IEC 60051-1 to IEC 60051-8.
ICS
17.220.20 Measurement. Including measuring instruments, instrument transformers / Измерения электрических и магнитных величин. Включая измерительные приборы, измерительные трансформаторы