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About This Item
Full Description
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 for
- determination 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.
Document History
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ISO 12999-1:2020
Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 1: Sound insulation- Most Recent
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ISO 12999-1:2014
Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 1: Sound insulation- Historical Version
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ISO 140-2/COR1:1993
Technical Corrigendum 1- Historical Version
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ISO 140-2:1991
viewing
Acoustics -- Measurement of sound insulation in buildings and of building elements -- Part 2: Determination, verification and application of precision data- Historical Version