BS 89-4:1990

Superseded

Direct acting indicating analogue electrical measuring instruments and their accessories Specification for special requirements for frequency meters

Available format(s)

Hardcopy , PDF

Superseded date

05-07-2021

Language(s)

English

Published date

08-31-1990

Publisher

British Standards Institution

Classification, construction, marking, electrical and mechanical requirements, and tests for analogue frequency meters.

Committee	PEL/85
DevelopmentNote	Also numbered as EN 60051-4 and IEC 60051-4. Supersedes 88/33509 DC and BS 89(1977). (10/2005) Supersedes RM.AERO 80460. (05/2015)
DocumentType	Standard
Pages	14
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS EN IEC 60051-4:2021
Supersedes	RM.AERO 80460 : 1973 BS 89:1977

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