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NEN EN ISO 4869-3 : 2007

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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

Withdrawn date

23-03-2017

Published date

12-01-2013

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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

Defines a method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture.

DevelopmentNote
Supersedes NEN NPR ISO/TR 4869-3. (09/2007)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Withdrawn
Supersedes

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