DIN EN 24869-3:1994-02
Superseded
View Superseded by
ACOUSTICS - HEARING PROTECTORS - PART 3: SIMPLIFIED METHOD FOR THE MEASUREMENT OF INSERTION LOSS OF EAR-MUFF TYPE PROTECTORS FOR QUALITY INSPECTION PURPOSES
01-12-2013
09-01-2007
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
Specifies a method for measuring the insertion loss of ear-muff type hearing protectors for quality inspection purposes. Also gives definitions.
| DevelopmentNote |
Supersedes DIN V 45658 (08/2002)
|
| DocumentType |
Standard
|
| PublisherName |
German Institute for Standardisation (Deutsches Institut für Normung)
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| EN 24869-3 : 1993 | Identical |
| I.S. EN 24869-3:1994 | Identical |
| ISO/TR 4869-3:1989 | Identical |
| NBN EN 24869-3 : 1995 | Identical |
| NF EN 24869-3 : 1994 | Identical |
| BS EN 24869-3:1994 | Identical |
| UNE-EN 24869-3:1994 | Identical |