ACOUSTICS - HEARING PROTECTORS - PART 3: MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS USING AN ACOUSTIC TEST FIXTURE

Available format(s)

Hardcopy

Language(s)

German - English

Published date

09-01-2007

Publisher

Swiss Standards

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Measurement principle
5 Measurement of the insertion loss of ear-muffs
6 Reporting of data
Annex A (informative) Use of the acoustic test fixture as a
                        directional microphone
Annex B (informative) Uncertainty of insertion loss measurements
ANNEX ZA (informative) Relationship between this International
                        Standard and the Essential Requirements
                        of EU Directive 89/686

ISO 4869-3:2007 specifies a method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture.

Committee	INB/NK 103
DevelopmentNote	Supersedes SNV NF EN 24869-3 and SNV DIN EN 24869-3. (10/2007)
DocumentType	Standard
Pages	0
PublisherName	Swiss Standards
Status	Current
Supersedes	SNV NF EN 24869-3 : 1994

Standards	Relationship
BS EN ISO 4869-3:2007	Identical
EN ISO 4869-3:2007	Identical
UNI EN ISO 4869-3 : 2007	Identical
NBN EN ISO 4869-3 : 2008	Identical
I.S. EN ISO 4869-3:2007	Identical
UNE-EN ISO 4869-3:2008	Identical
ISO 4869-3:2007	Identical
NEN EN ISO 4869-3 : 2007	Identical
NS EN ISO 4869-3 : 1ED 2007	Identical
NF EN ISO 4869-3 : 2008	Identical
DIN EN ISO 4869-3:2007-09	Identical