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BS EN 24869-3:1994

BS EN 24869-3:1994

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes

Available format(s)

Hardcopy , PDF

Superseded date

31-08-2007

Language(s)

English

Published date

15-02-1994

Publisher

British Standards Institution

Cooperating organizations
National foreword
Brief history
Method
1. Scope
2. Normative references
3. Definitions
4. Principle
5. Measurement of the insertion loss of ear muffs
6. Measurement of application force
7. Reporting of data
Annex
A. (informative) The acoustic test fixture used as a
     directional microphone
Tables
1. Random incidence field requirements
A.1 Front-to-random sensitivity index
Figures
1. Example of an acoustic test fixture
2. Example of a test site arrangement (acoustic tunnel)
National annexes
NA (informative) Committees responsible
NB (informative) Cross-references

For quality inspection purposes and to investigate production spreads of performance and changes with age.

Committee
EH/1
DevelopmentNote
Supersedes BS DD192(1990) and 82/54605 DC. Also numbered as ISO TR 4869-3. (09/2005)
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
I.S. EN 24869-3:1994 Identical
NBN EN 24869-3 : 1995 Identical
SNV NF EN 24869-3 : 1994 Identical
UNI EN 24869-3 : 1996 Identical
EN 24869-3 : 1993 Identical
UNE-EN 24869-3:1994 Identical
NF EN 24869-3 : 1994 Identical
DIN EN 24869-3:1994-02 Identical

BS 6840-7(1996) : 1996 SOUND SYSTEM EQUIPMENT - PART 7: HEADPHONES AND EARPHONES
DEFSTAN 00-25(PT14)/1(2000) : 2000 HUMAN FACTORS FOR DESIGNERS OF EQUIPMENT - PART 14: MILITARY LAND VEHICLE DESIGN
PD 6545:2005 Intended use of human head and ear simulators-guide

BS 6397:1983 Specification for scales and sizes for plotting frequency characteristics and polar diagrams
ISO 4869-1:1990 Acoustics Hearing protectors Part 1: Subjective method for the measurement of sound attenuation
BS 903-A26:1969 Physical testing of rubber Determination of hardness
BS 2475:1964 Specification for octave and one-third octave band-pass filters

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Hardcopy - English
PDF - English
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