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EN 29295 : 1991

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

ACOUSTICS - MEASUREMENT OF HIGH-FREQUENCY NOISE EMITTED BY COMPUTER AND BUSINESS EQUIPMENT

Superseded date

05-01-2015

Published date

01-12-2013

Foreword
0 Introduction
1 Scope and field of application
2 References
3 Requirements for measurements in a reverberation room
4 Method using measured reverberation time
5 Method using calculated air absorption
6 Method using a reference sound source
7 Method using a free field over a reflecting plane
8 Calculation of A-weighted sound power level
9 Information to be recorded
10 Information to be reported
Annex A Coaxial circular paths in parallel planes for microphone
         traverses in a free field over a reflecting plane
Annex B Calculation of air absorption coefficient

Defines four methods for the determination of the sound power levels of high-frequency noise emitted by computer and business equipment in the frequency range covered by the octave band centred at 16 kHz.

Committee
TC 211
DevelopmentNote
Also numbered as BS 7135-2(1989). (09/2005)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy

Standards Relationship
SNV DIN EN 29295 : 1991 Identical
NF EN 2199295 : 1992 Identical
UNI EN 29295 : 1992 Identical
PN EN 29295 : 1999 Identical
UNE-EN 29295:1995 Identical
NEN ISO 9295 : 1992 Identical
NS ISO 9295 : 1ED 1992 Identical
I.S. EN 29295:1992 Identical
SNV NF EN 29295 : 1992 Identical
NBN EN 29295 : 1992 Identical
DIN EN 29295:1991-11 Identical

ISO/IEC 11159:1996 Information technology — Office equipment — Minimum information to be included in specification sheets — Copying machines
I.S. EN ISO/IEC 11159:1998 INFORMATION TECHNOLOGY - OFFICE EQUIPMENT - MINIMUM INFORMATION TO BE INCLUDED IN SPECIFICATION SHEETS - COPYING MACHINES
EN ISO/IEC 11159 : 1998 INFORMATION TECHNOLOGY - OFFICE EQUIPMENT - MINIMUM INFORMATION TO BE INCLUDED IN SPECIFICATION SHEETS - COPYING MACHINES

ISO 6926:2016 Acoustics Requirements for the performance and calibration of reference sound sources used for the determination of sound power levels
ISO 7779:2010 Acoustics Measurement of airborne noise emitted by information technology and telecommunications equipment

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