EN 24869-3 : 1993

Superseded

Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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ACOUSTICS - HEARING PROTECTORS - SIMPLIFIED METHOD FOR THE MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS FOR QUALITY INSPECTION PURPOSES

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Superseded date: 01-07-2007

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Published date: 12-01-2013

Publisher: Comite Europeen de Normalisation

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Table of Contents - (Show below) - (Hide below)

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

Abstract - (Show below) - (Hide below)

Specifies a method for measuring the insertion loss of ear-muff type hearing protectors for quality inspection purposes. Also gives definitions.

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Committee	TC 211
Document Type	Standard
ISBN
Pages
Published
Publisher	Comite Europeen de Normalisation
Status	Superseded
Superseded By	EN ISO 4869-3:2007

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Equivalent Standard(s)	Relationship
I.S. EN 24869-3:1994	Identical
PN EN 24869-3 : 2001	Identical
SNV DIN EN 24869-3 : 1994	Identical
ISO/TR 4869-3:1989	Identical
NBN EN 24869-3 : 1995	Identical
SNV NF EN 24869-3 : 1994	Identical
UNI EN 24869-3 : 1996	Identical
BS EN 24869-3:1994	Identical
UNE-EN 24869-3:1994	Identical
NF EN 24869-3 : 1994	Identical
NS ISO 4869-3 : 1ED 1994	Identical
DIN EN 24869-3:1994-02	Identical

Standards Referenced By This Book - (Show below) - (Hide below)

EN 13819-2:2002	Hearing protectors - Testing - Part 2: Acoustic test methods
I.S. EN 13819-2:2002	HEARING PROTECTORS - TESTING - PART 2: ACOUSTIC TEST METHODS
I.S. EN ISO 4869-4:2000	ACOUSTICS - HEARING PROTECTORS - PART 4 - MEASUREMENT OF EFFECTIVE SOUND PRESSURE LEVELS FOR LEVEL-DEPENDENT SOUND-RESTORATION EAR-MUFFS
BS EN 13819-2:2002	Hearing protectors. Testing Acoustic test methods
EN ISO 4869-4:2000	ACOUSTICS - HEARING PROTECTORS - PART 4 - MEASUREMENT OF EFFECTIVE SOUND PRESSURE LEVELS FOR LEVEL-DEPENDENT SOUND-RESTORATION EAR-MUFFS

Standards Referencing This Book - (Show below) - (Hide below)

ISO 4869-1:1990	Acoustics Hearing protectors Part 1: Subjective method for the measurement of sound attenuation
IEC 60050-801:1994	International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics
IEC 60225:1966	Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations
IEC 60263:1982	Scales and sizes for plotting frequency characteristics and polar diagrams
ISO 48:2010	Rubber, vulcanized or thermoplastic Determination of hardness (hardness between 10 IRHD and 100 IRHD)

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