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BS 89-4

90th Edition, August 31, 1990

Complete Document

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 4: Specification for special requirements for frequency meters

Includes all amendments and changes through Reaffirmation Notice , July 15, 1999

Detail Summary

Active, Most Current

Additional Comments:
SAME AS IEC 60051-4
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Product Details:

  • Revision: 90th Edition, August 31, 1990
  • Published Date: July 15, 1999
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 14
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Classification, construction, marking, electrical and mechanical requirements, and tests for analogue frequency meters. To be read in conjunction with BS 89:Part 1