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NS-ISO 140-2:1991

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Abstract

This part of ISO 140 specifies procedures for assessing the uncertainty in the acoustical measurements described in ISO 140-3 to ISO 140-9 due to random and systematic influences.It gives guidelines fordetermination of the repeatability value r and the reproducibility value R;verification of repeatability values r and reproducibility values R for different measurement arrangements in one laboratory and for comparisons between different laboratories;application of repeatability values r and reproducibility values R in practice.Tentative repeatability values and reproducibility values of the test methods according to ISO 140-3, ISO 140-4 and ISO 140-6 to ISO 140-8 are given in annex A.At present no data are available for ISO 140-5 and ISO 140-9.

Document information

  • Standard from SN
  • Published:
  • Withdrawn:
  • Edition: 2
  • Version: 1
  • Document type: NAT
  • ICS 91.120.20
  • National Committee SN/K 1

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