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SLOVENSKI STANDARD
01-december-2021
Nadomešča:
SIST EN 60704-1:2010
SIST EN 60704-1:2010/A11:2013
Gospodinjski in podobni električni aparati - Postopek preskušanja za ugotavljanje
zvočnega hrupa v zraku - 1. del: Splošne zahteve
Household and similar electrical appliances - Test code for the determination of airborne
acoustical noise - Part 1: General requirements
Appareils électrodomestiques et analogues - Code d'essai pour la détermination du bruit
aérien - Partie 1: Exigences générales
Ta slovenski standard je istoveten z: EN IEC 60704-1:2021
ICS:
17.140.20 Emisija hrupa naprav in Noise emitted by machines
opreme and equipment
97.030 Električni aparati za dom na Domestic electrical
splošno appliances in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 60704-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2021
ICS 13.120; 97.170 Supersedes EN 60704-1:2010 and all of its amendments
and corrigenda (if any)
English Version
Household and similar electrical appliances - Test code for the
determination of airborne acoustical noise - Part 1: General
requirements
(IEC 60704-1:2021)
Appareils électrodomestiques et analogues - Code d'essai Elektrische Geräte für den Hausgebrauch und ähnliche
pour la détermination du bruit aérien - Partie 1: Exigences Zwecke - Prüfvorschrift für die Bestimmung der
générales Luftschallemission - Teil 1: Allgemeine Anforderungen
(IEC 60704-1:2021) (IEC 60704-1:2021)
This European Standard was approved by CENELEC on 2021-04-15. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 60704-1:2021 E
European foreword
The text of document 59/753/FDIS, future edition 4 of IEC 60704-1, prepared by IEC/TC 59
"Performance of household and similar electrical appliances" was submitted to the IEC-CENELEC
parallel vote and approved by CENELEC as EN IEC 60704-1:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-01-15
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) –
document have to be withdrawn
This document supersedes EN 60704-1:2010 and all of its amendments and corrigenda (if any).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 60704-1:2021 was approved by CENELEC as a European
Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards
indicated:
IEC 60038:2009 NOTE Harmonized as EN 60038:2011 (modified)
ISO 3741:2010 NOTE Harmonized as EN ISO 3741:2010 (not modified)
ISO 3745:2012 NOTE Harmonized as EN ISO 3745:2012 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments)
applies.
NOTE 1 Where an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available
here: www.cenelec.eu.
Publication Year Title EN/HD Year
IEC 60704-2 series Household and similar electrical EN IEC 60704-2 series
appliances - Test code for the
determination of airborne acoustical
noise
IEC 60704-3 (mod) 2019 Household and similar electrical EN 60704-3 2019
appliances - Test code for the
determination of airborne acoustical
noise - Part 3: Procedure for
determining and verifying declared
noise emission values
IEC 61260-1 2014 Electroacoustics - Octave-band and EN 61260-1 2014
fractional-octave-band filters - Part 1:
Specifications
IEC 61672-1 2013 Electroacoustics - Sound level meters - EN 61672-1 2013
Part 1: Specifications
ISO 3743-1 2010 Acoustics - Determination of sound EN ISO 3743-1 2010
power levels and sound energy levels
of noise sources using sound pressure -
Engineering methods for small movable
sources in reverberant fields - Part 1:
Comparison method for a hard-walled
test room
ISO 3743-2 2018 Acoustics - Determination of sound EN ISO 3743-2 2019
power levels of noise sources using
sound pressure - Engineering methods
for small, movable sources in
reverberant fields - Part 2: Methods for
special reverberation test rooms
ISO 3744 2010 Acoustics - Determination of sound EN ISO 3744 2010
power levels and sound energy levels
of noise sources using sound pressure -
Engineering methods for an essentially
free field over a reflecting plane
Publication Year Title EN/HD Year
ISO 9614-1 1993 Acoustics - Determination of sound EN ISO 9614-1 2009
power levels of noise sources using
sound intensity - Part 1: Measurement
at discrete points
ISO 9614-2 1996 Acoustics - Determination of sound EN ISO 9614-2 1996
power levels of noise sources using
sound intensity - Part 2: Measurement
by scanning
ISO 9614-3 2002 Acoustics - Determination of sound EN ISO 9614-3 2009
power levels of noise sources using
sound intensity - Part 3: Precision
method for measurement by scanning
ISO 6926 2016 Acoustics - Requirements for the EN ISO 6926 2016
performance and calibration of
reference sound sources used for the
determination of sound power levels
ISO 12001 1996 Acoustics - Noise emitted by machinery EN ISO 12001 2009
and equipment - Rules for the drafting
and presentation of a noise test code
IEC 60704-1
Edition 4.0 2021-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination
of airborne acoustical noise –
Part 1: General requirements
Appareils électrodomestiques et analogues – Code d’essai pour la
détermination du bruit aérien –
Partie 1: Exigences générales
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 13.120; 97.170 ISBN 978-2-8322-9515-1
– 2 – IEC 60704-1:2021 © IEC 2021
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 Measurement methods and acoustical environments . 9
4.1 General . 9
4.2 Direct method . 9
4.3 Comparison method . 10
4.4 Acoustical environments . 10
4.4.1 General requirements and criterion for adequacy of the test
environment . 10
4.4.2 Criterion for background noise level . 11
4.4.3 Environmental conditions . 11
4.5 Measurement uncertainties . 11
4.5.1 General . 11
4.5.2 Standard deviations on repeatability and reproducibility and standard
deviations related to declaration and verification . 11
5 Instrumentation . 12
5.1 Instrumentation for measuring acoustical data . 12
5.2 Instrumentation for measuring climatic conditions . 12
5.3 Instrumentation for measuring operating conditions . 12
6 Operation and location of appliances under test . 13
6.1 Equipping and pre-conditioning of appliances . 13
6.2 Supply of electric energy and of water or gas . 13
6.3 Climatic conditions . 14
6.4 Loading and operating of appliances during tests . 14
6.5 Location and mounting of appliances . 15
7 Measurement of sound pressure levels . 17
7.1 Microphone array, measurement surface and RSS location for essentially
free field conditions over reflecting plane(s) . 17
7.2 Microphone array and RSS location in hard-walled test rooms . 25
7.3 Microphone array and RSS location in special reverberation test rooms . 25
7.4 Measurements . 25
8 Calculation of sound pressure and sound power levels . 26
8.1 General . 26
8.2 Corrections for background noise levels . 26
8.3 Corrections for the test environment . 27
8.4 Calculation of sound pressure level averaged over the microphone positions . 27
8.5 Calculation of sound power levels with the comparison method . 27
8.6 Calculation of sound power levels in free field conditions over a reflecting
plane . 28
8.7 Calculation of A-weighted sound power level with the direct method in
special reverberation test rooms . 28
9 Information to be recorded . 29
9.1 General data . 29
IEC 60704-1:2021 © IEC 2021 – 3 –
9.2 Description of appliance under test . 29
9.3 Measurement method . 29
9.4 Acoustical test environment . 29
9.5 Instrumentation .
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