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BS 90

75th Edition, February 28, 1975

Complete Document

Specification for Direct-acting electrical recording instruments and their accessories

Includes all amendments and changes through Reaffirmation Notice , June 1, 2016


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Product Details:

  • Revision: 75th Edition, February 28, 1975
  • Published Date: June 1, 2016
  • Status: Active, Most Current
  • Document Language: English
  • Published By: British Standards Institution (BSI)
  • Page Count: 50
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

Defines and classifies accuracy classes, methods of determining intrinsic error and variations for measured quantity and time-keeping, lists influence quantities, electrical and mechanical requirements, marking requirements and symbols. Concept used and effect of friction between marking device and chart explained in appendices.