I.S. EN ISO 4869-2:2018
Current
The latest, up-to-date edition.
Acoustics - Hearing protectors - Part 2:Estimation of effective A-weighted soundpressure levels when hearing protectorsare worn (ISO 4869-2:2018)
Hardcopy , PDF
English
13-12-2018
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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.
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