BS EN ISO 4869-2:1995
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Acoustics. Hearing protectors Estimation of effective A-weighted sound pressure levels when hearing protectors are worn
Hardcopy , PDF
03-12-2018
English
28-09-2007
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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.
| Committee |
EH/1/1
|
| DevelopmentNote |
Renumbers and supersedes BS ISO 4869-2. 1995 Version incorporates amendment 8935 to BS ISO 4869-2. Supersedes 87/55121 DC. (10/2005)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| UNE-EN ISO 4869-2:1996 | Identical |
| DIN EN ISO 4869-2:2015-01 (Draft) | Identical |
| I.S. EN ISO 4869-2:1996 | Identical |
| EN ISO 4869-2:2018 | Identical |
| ONORM EN ISO 4869-2 : 1995 | Identical |
| NS EN ISO 4869-2 : 1995 AC 2007 | Identical |
| ISO 4869-2:1994 | Identical |
| UNI EN ISO 4869-2 : 1998 | Identical |
| NF EN ISO 4869-2 : 1995 | Identical |
| NBN EN ISO 4869-2 : 1996 COR 2007 | Identical |
| SN EN ISO 4869-2 : 1995 CORR 2007 | Identical |
| NEN EN ISO 4869-2 : 1995 C1 2007 | Identical |
| DIN EN ISO 4869-2:1995-08 | Identical |
| DEFSTAN 00-27/3(2015) : 2015 | THE MEASUREMENT OF IMPULSE NOISE FROM MILITARY WEAPONS, EXPLOSIVES AND PYROTECHNICS; AND SELECTION OF HEARING PROTECTION |
| ISO 4869-1:1990 | Acoustics Hearing protectors Part 1: Subjective method for the measurement of sound attenuation |
| EN 24869-1:1992 | Acoustics - Hearing protectors - Subjective method for the measurement of sound attenuation (ISO 4869-1:1990) |
| IEC 60651:1979+AMD1:1993+AMD2:2000 CSV | Sound level meters |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.