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I.S. EN 24869-1:1993

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

ACOUSTICS - HEARING PROTECTORS - SUBJECTIVE METHOD FOR THE MEASUREMENT OF SOUND ATTENUATION

Available format(s)

Hardcopy , PDF

Withdrawn date

31-05-2019

Superseded by

I.S. EN ISO 4869-1:2018

Language(s)

English

Published date

01-06-1993

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.

€37.00
Excluding VAT

Committees responsible
National foreword
Method
1. Scope
2. Normative references
3. Definitions
4. Measurement of the sound attenuation of hearing
     protectors
Annexes
A. Uncertainty of sound attenuation measurements
B. Bibliography
Tables
1. Allowable field variation for different microphones
2. Maximum permissible background sound pressure level
3. Minimum and maximum sound pressure levels for test
     signals
A.1 Repeatability and reproducibility of sound
     attenuation measurements on ear-muffs at a
     probability level of 95% (according to ISO 5725)
A.2 Repeatability and reproducibility of sound
     attenuation measurements on ear-plugs at a
     probability level of 95% (according to ISO 5725)

Specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing.

DocumentType
Standard
Pages
20
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
SupersededBy

Standards Relationship
UNE-EN 24869-1:1994 Identical
UNI EN 24869-1 : 1993 Identical
EN 24869-1:1992 Identical
ISO 4869-1:1990 Identical
NBN EN 24869-1 : 1995 Identical
BS EN 24869-1:1993 Identical
NF EN 24869-1 : 1993 Identical

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