RO
SR EN ISO 4869-2:1997
Acoustics. Hearing protectors. Part 2: Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Describes three methods (the octave-band, HML and SNR methods) for 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. They are not suitable for use with peak sound pressure level measurements.
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Status :
Withdrawn
Approval date : 11/15/1996
Publish date : 11/16/1996
Romanian version publish date : 11/15/1996
Withdrawal date : 4/25/2019
Number of pages : 20
ICS : 13.340.20 Head protective equipment
Technical Committee : 274 - Human protection against noise and mechanical vibration
- Replaced by SR EN ISO 4869-2:2019
- Amended by SR EN ISO 4869-2:1997/C91:2006
- Amended by SR EN ISO 4869-2:1997/AC:2007