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immediate downloadReleased: 2018-11-27
BS EN ISO 4869-2:2018
Acoustics. Hearing protectors Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
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| Standard number: | BS EN ISO 4869-2:2018 |
| Pages: | 26 |
| Released: | 2018-11-27 |
| ISBN: | 978 0 580 85933 5 |
| Status: | Standard |
DESCRIPTION
BS EN ISO 4869-2:2018
This standard BS EN ISO 4869-2:2018 Acoustics. Hearing protectors is classified in these ICS categories:
- 13.340.20 Head protective equipment
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.