I.S. EN ISO 4869-3:2007
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
Hardcopy , PDF
English
01-01-2007
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Dates of withdrawal of national standards are available from NSAI.
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 I.S. EN 24869-3. (08/2007)
|
| DocumentType |
Standard
|
| Pages |
22
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| NEN EN ISO 4869-3 : 2007 | Identical |
| BS EN ISO 4869-3:2007 | Identical |
| EN ISO 4869-3:2007 | Identical |
| NBN EN ISO 4869-3 : 2008 | Identical |
| ISO 4869-3:2007 | Identical |
| NS EN ISO 4869-3 : 1ED 2007 | Identical |
| NF EN ISO 4869-3 : 2008 | Identical |
| UNE-EN ISO 4869-3:2008 | Identical |
| DIN EN ISO 4869-3:2007-09 | Identical |
| ISO/IEC Guide 98:1993 | Guide to the expression of uncertainty in measurement (GUM) |
| IEC 61094-4:1995 | Measurement microphones - Part 4: Specifications for working standard microphones |
| ISO 4869-1:1990 | Acoustics — Hearing protectors — Part 1: Subjective method for the measurement of sound attenuation |
| 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) |
| IEC 61260:1995 | Electroacoustics - Octave-band and fractional-octave-band filters |
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