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British Standards: BS89-4:1990

Standard No BS89-4:1990
Title of Standard Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for frequency meters
ISBN 058018444 7
Date of Publication 31/08/90
Approx Pages 16
Description Electrical measuring instruments, Frequency measurement, Meters, Electrical wave measurement, Signal devices, Analogue signals, Grades (quality), Electrical tolerances, Errors, Working range, Electrical testing, Overvoltage tests, Electric terminals, Mark
Cross references BS 89:Part 1, BS 89:Part 9
International Equiv (If Applicable ) EN 60051-4:1989 IEC 60051-4:1984
Replaces Standards : BS89:1977
Replacement Notes
Now Replaced By
Replaced by Notes
Committee Ref PEL/85

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