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ISO 140-2

2nd Edition, 1991

Complete Document

Acoustics - Measurement of Sound Insulation in Buildings and of Building Elements - Part 2: Determination, Verification and Application of Precision Data

Includes all amendments and changes through Technical Corrigendum 1, 1993


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Superseded By: ISO 12999-1

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ENGLISH * W/D S/S BY ISO 12999-1
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Description / Abstract:

This part of IS0 140 specifies procedures for assessing the uncertainty in the acoustical measurements described in IS0 140-3 to IS0 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 IS0 140-3, IS0 140-4 and IS0 140-6 to IS0 140-8 are given in annex A.

NOTE 1 and IS0 140-9. At present no data are available for IS0 140-5 and iso 140-9.
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