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BS 89-5:1990
M00000192
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BS 89-5:1990 Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for phase meters, power factor meters and synchroscopes
standard by BSI Group, 08/31/1990
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Classification, construction, marking, electrical and mechanical requirements and tests for phase meters, power factor meters and synchroscopes. To be read in conjunction with BS 89:Part 1Cross References:
BS 89:Part 1
BS 89:Part 9