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BS 90:1975

Specification for direct-acting electrical recording instruments and their accessories

Standard Details

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.

General Information

Status : Confirmed
Standard Type: Main
Document No: BS 90:1975
Document Year: 1975
Pages: 50
  • Section Volume:
  • GBM09 Metrology (GMB09)
  • ICS:
  • 17.220.20 Measurement of electrical and magnetic quantities

Life Cycle

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Confirmed
BS 90:1975

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