IEC 61672-2:2013+AMD1:2017 CSV 
Consolidated version

Electroacoustics - Sound level meters - Part 2: Pattern evaluation tests

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Abstract

IEC 61672-2:2013 provides details of the tests necessary to verify conformance to all mandatory specifications given in IEC 61672-1 for time-weighting sound level meters, integrating-averaging sound level meters, and integrating sound level meters. Pattern-evaluation tests apply for each channel of a multi-channel sound level meter, as necessary. Tests and test methods are applicable to class 1 and class 2 sound level meters. The aim is to ensure that all laboratories use consistent methods to perform pattern-evaluation tests. This second edition cancels and replaces the first edition published in 2003. This second edition constitutes a technical revision, the main technical changes with regard to the previous edition concern conformance to specifications which is now demonstrated when measured deviations from design goals do not exceed the applicable acceptance limits, and when the uncertainty of measurement does not exceed the corresponding maximum permitted uncertainty, with both uncertainties determined for a coverage probability of 95 %. In this document, references to IEC 61672-1, IEC 61672-2, and IEC 61672-3 refer to the second editions unless stated otherwise. Procedures for the pattern-evaluation testing of sound level meters designed to conform to the specifications of IEC 61672-1:2002 were given in IEC 61672-2:2003. This consolidated version consists of the second edition (2013) and its amendment 1 (2017). Therefore, no need to order amendment in addition to this publication.

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Additional information

Publication typeInternational Standard
Publication date2017-04-04
Edition2.1
Available language(s)English/French
TC/SCTC 29 - Electroacousticsrss
ICS17.140.50 - Electroacoustics
Stability date  2020
Pages160
File size2012 KB

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