DIN EN ISO 4869-2:2015-01 (Draft)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ACOUSTICS - HEARING PROTECTORS - ESTIMATION OF EFFECTIVE A-WEIGHTED SOUND PRESSURE LEVELS WHEN HEARING PROTECTORS ARE WORN
Hardcopy , PDF
German
01-01-2015
01-10-2019
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Measurement of sound attenuation of hearing protectors
5 Calculation of the assumed protection value APV[fx] of a
hearing protector for a selected protection performance
6 Octave-band method
7 HML method
8 SNR method
Annex A (informative) Example of the calculation of the
assumed protection values, APV[fx]
Annex B (informative) Example of the calculation of L'[Ax]
according to the octave-band method
Annex C (informative) Example of calculation and use of H,
M and L values
Annex D (informative) Example of the calculation and use
of SNR values
Annex E (informative) Bibliography
Annex ZA (normative) Normative references to international
publications with their relevant European publications
Describes three methods of estimating the A weighted sound pressure levels effective when hearing protectors are worn. Coverage includes: Octave-band method, HML method, and SNR method. Also gives detailed tables.
| DevelopmentNote |
Supersedes DIN ISO 8353:1989 (10/2003) DRAFT 2015 issued in January 2015. (01/2015)
|
| DocumentType |
Draft
|
| Pages |
22
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| Standards | Relationship |
| ONORM EN ISO 4869-2 : 1995 | Identical |
| NS EN ISO 4869-2 : 1995 AC 2007 | Identical |
| NF EN ISO 4869-2 : 1995 | Identical |
| NBN EN ISO 4869-2 : 1996 COR 2007 | Identical |
| NEN EN ISO 4869-2 : 1995 C1 2007 | Identical |
| BS EN ISO 4869-2:1995 | Identical |
| ISO 4869-2:1994 | Identical |
| I.S. EN ISO 4869-2:1996 | Identical |
| UNE-EN ISO 4869-2:1996 | Identical |
| DIN EN ISO 9612:2009-09 | Acoustics - Determination of occupational noise exposure - Engineering method (ISO 9612:2009) |
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