BS EN IEC 60051-4:2021 Direct acting indicating analogue electrical measuring instruments and their accessories. Special requirements for frequency meters
Publication Year
2021
Document Status
Current
Abstract
Relates to direct acting indicating analogue frequency meters of pointer-type frequency meter and vibrating-reed frequency meter types. In addition relevant to non-interchangeable accessories used with frequency meters.
Document History
Supersedes BS 89-4:1990.
ISBN
9780580930607
Publisher Information
British Standards Institution
With over 100 years of experience the British Standards Institute is recognised as the UK’s National standards body. Their committees work with the manufacturing and service industries, government, businesses and consumers to facilitate the production of British, European and International standards.
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