Standard

NS-EN ISO 4869-2:2018

Feb 2019 Published

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Abstract

This document specifies three methods (the octave-band, HML and SNR methods) of estimating the A-weighted sound pressure levels effective when hearing protectors are worn. The methods are applicable to either the sound pressure level or the equivalent continuous sound pressure level of the noise. Although primarily intended for steady noise exposures, the methods are also applicable to noises containing impulsive components. It is possible that these methods could not be suitable for use with peak sound pressure level measurements. The octave-band, H, M, L or SNR values are suitable for establishing sound attenuation criteria for selecting or comparing hearing protectors, and/or setting minimum acceptable sound attenuation requirements.

Document information

Standard from SN
Published: 1 February 2019
Edition: 2018-11
Version: 1
Document type: NAT
ISBN:

ICS 13.140
ICS 13.340.20
National Committee CEN/TC 211

Legal references

EU law: 2016/425

Product Relations

Refers: IEC 61672-1:2013 ED2
Replaces: NS-EN ISO 4869-2:1995
Adopted from: EN ISO 4869-2:2018 , 0

Product life cycle

Previous product

Withdrawn

NS-EN ISO 4869-2:1995

Withdrawn

NS-EN ISO 4869-2:1995/AC:2007
Current product

Published

NS-EN ISO 4869-2:2018

NS-EN ISO 4869-2:2018

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