BSI - BS 89-4
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Specification for special requirements for frequency meters
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| Organization: | BSI |
| Publication Date: | 31 August 1990 |
| Status: | active |
| Page Count: | 14 |
| ICS Code (Measurement of electrical and magnetic quantities): | 17.220.20 |
scope:
Classification, construction, marking, electrical and mechanical requirements, and tests for analogue frequency meters.
Document History
BS 89-4
August 31, 1990
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Specification for special requirements for frequency meters
Classification, construction, marking, electrical and mechanical requirements, and tests for analogue frequency meters.
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