NBN EN ISO 4869-3 : 2008
Current
The latest, up-to-date edition.
ACOUSTICS - HEARING PROTECTORS - PART 3: MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS USING AN ACOUSTIC TEST FIXTURE
12-01-2013
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 NBN EN 24869-3. (03/2008)
|
| DocumentType |
Standard
|
| PublisherName |
Belgian Standards
|
| Status |
Current
|
| Standards | Relationship |
| UNI EN ISO 4869-3 : 2007 | Identical |
| EN ISO 4869-3:2007 | Identical |
| BS EN ISO 4869-3:2007 | Identical |
| ISO 4869-3:2007 | Identical |
| DIN EN ISO 4869-3:2007-09 | Identical |
| I.S. EN ISO 4869-3:2007 | Identical |
| UNE-EN ISO 4869-3:2008 | Identical |
| SN EN ISO 4869-3:2007 | Identical |
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.