BS-89-4 › Historical Revision Information
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Specification for special requirements for frequency meters

BS-89-4 - REPLACED BY BS-EN-IEC-60051-4 - SUPERSEDED
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Direct acting indicating analogue electrical measuring instruments and their accessories

Keywords

Working range;Overvoltage tests;Marking;Meters;Grades (quality);Electrical tolerances;Electrical testing;Analogue signals;Electrical measuring instruments;Electric terminals;Accessories;Errors;Signal devices;Electrical wave measurement;Frequency measurement

To find similar documents by classification:

17.220.20 (Measurement of electrical and magnetic quantities Including measuring instruments, instrument transformers Electric energy meters in buildings, see 91.140.50)

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Document Number

BS-89-4

Revision Level

REPLACED BY BS-EN-IEC-60051-4

Status

Superseded

Publication Date

May 7, 2021

International Equivalent

IEC 60051-4:1984;EN 60051-4:1989

Committee Number

PEL/85