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IEC 60704-2-16
Edition 1.0 2019-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination of
airborne acoustical noise –
Part 2-16: Particular requirements for washer-dryers
Appareils électrodomestiques et analogues – Code d'essai pour la détermination
du bruit aérien –
Partie 2-16: Exigences particulières pour les lavantes-séchantes
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IEC 60704-2-16
Edition 1.0 2019-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination of
airborne acoustical noise –
Part 2-16: Particular requirements for washer-dryers
Appareils électrodomestiques et analogues – Code d'essai pour la
détermination du bruit aérien –
Partie 2-16: Exigences particulières pour les lavantes-séchantes
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 17.140.20 ISBN 978-2-8322-6899-5
– 2 – IEC 60704-2-16:2019 © IEC 2019
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope and object . 7
1.1 Scope . 7
1.1.1 General . 7
1.1.2 Types of noise . 7
1.1.3 Size of the source . 7
1.2 Object . 7
1.3 Measurement uncertainty . 7
1.101 Standard deviation for declaration and verification . 8
2 Normative references . 8
3 Terms and definitions . 8
4 Measurement methods and acoustical environments . 10
4.2 Direct method . 10
4.3 Comparison method . 10
5 Instrumentation . 11
5.3 Instrumentation for measuring operating conditions . 11
6 Operation and location of appliances under test . 11
6.1 Equipping and pre-conditioning of appliances . 11
6.2 Supply of electric energy and of water or gas . 11
6.4 Loading and operating of appliances during tests . 12
6.5 Location and mounting of appliances . 12
6.101 Standard test programme for noise measurements . 12
6.101.1 Standard test programme for a washing cycle . 12
6.101.2 Standard test programme for a drying cycle . 12
6.101.3 Standard test programme for continuous cycle . 13
6.102 Standard test load for noise measurements . 13
6.102.1 General . 13
6.102.2 Pre-treatment of new cotton test load items prior to use . 14
6.102.3 Normalisation of cotton test load items . 14
6.102.4 Conditioning of cotton test load. 14
6.102.5 Standard test load for washing cycle noise measurements . 14
6.102.6 Standard test load for drying cycle noise measurements . 14
6.102.7 Standard test load for continuous cycle noise measurements . 15
7 Measurement of sound power levels . 15
7.1 Microphone array, measurement surface and RSS location for essentially
free-field conditions over reflecting plane(s) . 15
7.4 Measurements . 15
8 Calculation of sound pressure and sound power levels . 16
8.101 Final result . 16
8.101.1 General . 16
8.101.2 Washing final result . 16
8.101.3 Drying final result . 16
8.101.4 Spinning final result when no thermal spin period occurs . 16
8.101.5 Spinning final result when thermal spin period occurs . 17
9 Information to be recorded . 17
9.2 Description of appliance under test . 17
9.7 Electric supply, water supply, etc. . 17
9.9 Operation of the appliance under test . 17
9.12 Measured data . 18
9.12.101 Spin speed . 18
10 Information to be reported . 18
10.3 Test conditions for the appliance . 18
10.4 Acoustical data . 18
10.4.101 Spin speed at highest noise level . 18
10.4.102 Maximum spin speed . 18
Annexes . 19
Annex A (normative) . 19
Bibliography . 20
Table 101 – Standard deviations of sound power levels of washing and spinning final
results for washer-dryer . 7
Table 102 – Standard deviations of sound power levels of drying final results for
washer-dryer . 8
Table 103 – Standard deviations for declaration and verification for washing and
spinning final results for washer-dryer . 8
Table 104 – Standard deviations for declaration for drying final results for washer-
dryer . 8
– 4 – IEC 60704-2-16:2019 © IEC 2019
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – TEST CODE
FOR THE DETERMINATION OF AIRBORNE ACOUSTICAL NOISE –
Part 2-16: Particular requirements for washer-dryers
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation o
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