Household and similar electrical appliances - Test code for the determination of airborne acoustical noise - Part 2-1: Particular requirements for vacuum cleaners

IEC 60704-2-1:2014 applies to electrical vacuum cleaners (including their accessories and their component parts) for household use in or under conditions similar to those in households. This part of IEC 60704 applies as it is to electrical vacuum cleaners operating in dry conditions. Some additions and modifications for vacuum cleaners operating in wet conditions are under consideration. How to test robotic vacuum cleaners is under consideration for a future edition. This part of IEC 60704 does not apply to vacuum cleaners for industrial or professional purposes. This third edition cancels and replaces the second edition published in 2000. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) introduction of a measuring method on hard floors;
b) inclusion of values for measurement uncertainty;
c) inclusion of values for standard deviation for declaration and verification;
d) update of the definition of the standard test carpet.
This publication is to be read in conjunction with IEC 60704-1:2010.

Appareils électrodomestiques et analogues - Code d'essai pour la détermination du bruit aérien - Partie 2-1: Exigences particulières pour les aspirateurs

L'IEC 60704-2-1:2014 s'applique aux aspirateurs électriques (y compris leurs accessoires et éléments composants) destinés à un usage domestique ou dans des conditions analogues à celles des foyers domestiques. Cette partie de l'IEC 60704 s'applique telle quelle aux aspirateurs électriques fonctionnant sur sol sec. Des additions et modifications sont à l'étude pour les appareils fonctionnant sur sol humide. Des méthodes d'essai applicables aux aspirateurs robots sont à l'étude pour une future édition. Cette partie de l'IEC 60704 ne s'applique pas aux aspirateurs destinés à des usages industriels ou professionnels. Cette troisième édition annule et remplace la deuxième édition publiée en 2000. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) introduction d'une méthode de mesure sur les sols durs;
b) intégration de valeurs pour l'incertitude de mesure;
c) intégration de valeurs pour l'écart-type pour la déclaration et la vérification;
d) mise à jour de la définition du tapis d'essai normalisé.
Cette publication doit être lue conjointement avec la CEI 60704-1:2010.

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IEC 60704-2-1
Edition 3.0 2014-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination
of airborne acoustical noise –
Part 2-1: Particular requirements for vacuum cleaners
Appareils électrodomestiques et analogues – Code d'essai pour la détermination
du bruit aérien –
Partie 2-1: Exigences particulières pour les aspirateurs
IEC 60704-2-1:2014-05(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60704-2-1
Edition 3.0 2014-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Household and similar electrical appliances – Test code for the determination
of airborne acoustical noise –
Part 2-1: Particular requirements for vacuum cleaners
Appareils électrodomestiques et analogues – Code d'essai pour la détermination
du bruit aérien –
Partie 2-1: Exigences particulières pour les aspirateurs
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
CODE PRIX Q
ICS 17.140.20; 97.080 ISBN 978-2-8322-1604-0

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60704-2-1:2014  IEC 2014
CONTENTS

FOREWORD ........................................................................................................................... 3

1 Scope and object ............................................................................................................. 6

1.1 Scope ..................................................................................................................... 6

1.1.1 General ........................................................................................................... 6

1.1.2 Types of noise ................................................................................................. 6

1.1.3 Size of the source ............................................................................................ 6

1.2 Object ..................................................................................................................... 6

1.3 Measurement uncertainty ........................................................................................ 7

2 Normative references ...................................................................................................... 8

3 Terms and definitions ...................................................................................................... 8

4 Measurement methods and acoustical environments ....................................................... 9

5 Instrumentation.............................................................................................................. 10

5.1 Instrumentation for measuring acoustical data ...................................................... 10

6 Operation and location of appliances under test ............................................................ 10

6.1 Equipping and pre-conditioning of appliances ....................................................... 10

6.2 Supply of electric energy and of water or gas ........................................................ 11

7 Measurement of sound pressure levels .......................................................................... 13

8 Calculation of sound pressure and sound power levels .................................................. 14

9 Information to be recorded ............................................................................................. 14

10 Information to be reported ............................................................................................. 14

Annexes ............................................................................................................................... 17

Annex A (normative) Standard test table .............................................................................. 17

Figure 101 – Appliance with cleaning head connected directly .............................................. 15

Figure 102 – Appliance with the cleaning head connected by hose and connecting tube ....... 16

Table 101 – Standard deviations of sound power levels determined on carpets ...................... 7

Table 102 – Standard deviations of sound power levels determined on hard floors ................. 7

Table 103 – Standard deviations for declaration and verification for vacuum cleaners

for carpets .............................................................................................................................. 7

Table 104 – Standard deviations for declaration and verification hard floors ........................... 7

Table 105 – Wilton type carpet specifications ......................................................................... 9

---------------------- Page: 4 ----------------------
IEC 60704-2-1:2014  IEC 2014 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
TEST CODE FOR THE DETERMINATION
OF AIRBORNE ACOUSTICAL NOISE –
Part 2-1: Particular requirements for vacuum cleaners
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 on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

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governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

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Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

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transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

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assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

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expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 60704-2-1 has been prepared by subcommittee 59F: Floor

treatment appliances, of IEC technical committee 59: Performance of household and similar

electrical appliances.

This third edition cancels and replaces the second edition published in 2000. This edition

constitutes a technical revision.

This edition includes the following significant technical changes with respect to the previous

edition:
a) introduction of a measuring method on hard floors;
b) inclusion of values for measurement uncertainty;
c) inclusion of values for standard deviation for declaration and verification;
---------------------- Page: 5 ----------------------
– 4 – IEC 60704-2-1:2014  IEC 2014
d) update of the definition of the standard test carpet.
The text of this standard is based on the following documents:
FDIS Report on voting
59F/255/FDIS 59F/259/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This Part 2-1 is intended to be used in conjunction with IEC 60704-1:2010, Household and

similar electrical appliances – Test code for the determination of airborne acoustical noise –

Part 1: General requirements.
NOTE When “Part 1” is mentioned in this standard, it refers to IEC 60704-1.

The relevant text of Part 1 as amended by this standard establishes the test code for vacuum

cleaners.

This Part 2-1 supplements or modifies the corresponding clauses in IEC 60704-1. When a

particular subclause of Part 1 is not mentioned in this Part 2-1, that subclause is applicable as

far as reasonable. Where this standard states "addition", "modification" or "replacement", the

relevant requirements, test specifications or explanatory matter in Part 1 should be adapted

accordingly.

Subclauses, tables and figures that are additional to those in Part 1 are numbered starting

from 101. Additional annexes are lettered AA, BB, etc.

Unless notes are in a new subclause or involve notes in Part 1, they are numbered starting

from 101, including those in a replaced clause or subclause.

A list of all the parts in the IEC 60704 series, published under the general title Household and

similar electrical appliances – Test code for the determination of airborne acoustical noise,

can be found on the IEC website.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC web site under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
IEC 60704-2-1:2014  IEC 2014 – 5 –
INTRODUCTION

The measuring conditions specified in this part of IEC 60704 provide for sufficient accuracy in

determining the noise emitted and comparing the results of measurements taken by different

laboratories, whilst simulating as far as possible the practical use of vacuum cleaners.

It is recommended to consider the determination of noise levels as part of a comprehensive

testing procedure covering many aspects of properties and performance of household vacuum

cleaners.

NOTE As stated in the introduction to IEC 60704-1, this test code is concerned with airborne noise only.

---------------------- Page: 7 ----------------------
– 6 – IEC 60704-2-1:2014  IEC 2014
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
TEST CODE FOR THE DETERMINATION
OF AIRBORNE ACOUSTICAL NOISE –
Part 2-1: Particular requirements for vacuum cleaners
1 Scope and object
This clause of Part 1 is applicable except as follows:
1.1 Scope
1.1.1 General
Replacement:

These particular requirements apply to electrical vacuum cleaners (including their accessories

and their component parts) for household use in or under conditions similar to those in

households.

This part of IEC 60704 applies as it is to electrical vacuum cleaners operating in dry

conditions. Some additions and modifications for vacuum cleaners operating in wet conditions

are under consideration. How to test robotic vacuum cleaners is under consideration for a

future edition.

This part of IEC 60704 does not apply to vacuum cleaners for industrial or professional

purposes.
1.1.2 Types of noise
Replacement:

The methods specified in ISO 3743-1, ISO 3743-2 and ISO 3744 can be used for measuring

noise emitted by electric vacuum cleaners.
1.1.3 Size of the source
Replacement:

The method specified in ISO 3744 is applicable to noise sources of any size. When applying

ISO 3743-1 and ISO 3743-2, care should be taken that the maximum size of the appliance

under test fulfils the requirements specified in ISO 3743-1 and ISO 3743-2.
1.2 Object
Addition:

This part of IEC 60704 describes the determination of the noise emission of vacuum cleaners

under normal operating conditions on carpet and hard floor according to 4.6 of
IEC 60312-1:2010.

NOTE 101 For determining and verifying noise emission values declared in product specifications, see

IEC 60704-3.
---------------------- Page: 8 ----------------------
IEC 60704-2-1:2014  IEC 2014 – 7 –
NOTE 102 If a boost position is incorporated, this is not taken into account.

NOTE 103 A boost position is a setting of a control for occasional use which results in a higher temporary fan

speed.
1.3 Measurement uncertainty
Replacement:

For vacuum cleaners designed for cleaning carpets the estimated values of standard

deviations of sound power levels determined according to this part of IEC 60704 are provided

in Table 101:
Table 101 – Standard deviations of sound power levels determined on carpets
Standard deviation (dB)
σ (repeatability) σ (reproducibility)
r R
0,3 0,8

For vacuum cleaners designed for cleaning hard floors the estimated values of standard

deviations of sound power levels determined according to this part of IEC 60704 are provided

in Table 102:
Table 102 – Standard deviations of sound power levels determined on hard floors
Standard deviation (dB)
σ (repeatability) σ (reproducibility)
r R
0,2 0,6
Addition:
1.101 Standard deviation for declaration and verification

For the purpose of determining and verifying declared noise emission values for vacuum

cleaners designed for cleaning carpets according to IEC 60704-3, the following values

provided in Table 103 apply:
Table 103 – Standard deviations for declaration and verification
for vacuum cleaners for carpets
Standard deviation (dB)
σ (production) σ (total) σ (reference)
P t M
0,5 to 1,0 0,9 to 1,3 1,5

For the purpose of determining and verifying declared noise emission values for vacuum

cleaners designed for cleaning hard floors according to IEC 60704-3, the following values

provided in Table 104 apply:
Table 104 – Standard deviations for declaration and verification hard floors
Standard deviation (dB)
σ (production) σ (total) σ (reference)
P t M
0,5 to 1,0 0,8 to 1,2 1,5
---------------------- Page: 9 ----------------------
– 8 – IEC 60704-2-1:2014  IEC 2014
2 Normative references
This clause of Part 1 is applicable except as follows:
Addition:

IEC 60312-1:2010, Vacuum cleaners for household use – Part 1: Dry vacuum cleaners –

Methods for measuring the performance
3 Terms and definitions
This clause of Part 1 is applicable except as follows:
Addition:
3.101
cleaning head

plain nozzle or a brush attached to a connecting tube, or a power nozzle, separate or part of

the cleaner housing, and the part of a vacuum cleaner which is applied to the surface to be

cleaned
[SOURCE: IEC 60312-1:2010, 3.3]
3.102
nozzle
active nozzle
cleaning head provided with a driven agitation device to assist dirt removal

Note 1 to entry: The agitation device may be driven by an incorporated electric motor (motorized nozzle), an

incorporated turbine powered by the air flow (air turbine nozzle) or an incorporated friction or gear mechanism

actuated by moving the cleaning head over the surface to be cleaned (mechanical nozzle).

[SOURCE: IEC 60312-1:2010, 3.4]
3.103
standard Wilton test carpet

Wilton type carpet according to the typical specification provided in Table 105 used for testing

---------------------- Page: 10 ----------------------
IEC 60704-2-1:2014  IEC 2014 – 9 –
Table 105 – Wilton type carpet specifications
Type Wilton
Pile composition wool 8,6/2 x 2
Method of manufacturing Wilton fabric
Colour dark, one colour
Backing jute and cotton with latex
Type cut-pile
Total height 7,5 mm, see also tolerances
Pile height 6,4 mm, see also tolerances
2 2
Total weight/m 2 100 g/m , see also tolerances
2 2
Pile weight/m 1 500 g/m , see also tolerances
2 2
Number of knots/m 96 000 knots/m , see also tolerances
Reed 320 reed /m
Shots 300 shots/m
Standard width 400 cm
Tolerances ±5 %

Note 1 to entry: For acoustical reasons, the size of the carpet used is 1 m × 1 m.

Note 2 to entry: Carpets conforming to previous editions of this standard do not conform with this definition.

3.104
standard hard floor

part of the floor of at least 1 m by 1 m on which the vacuum cleaner and its nozzle is placed

for the measurement, with a sound absorption coefficient lower than 0,1 and an areal density

of at least 50 kg/m

Note 1 to entry: Scratches and other irregularities of the surface roughness shall be below 0,5 mm to prevent

turbulence noise generated by these irregularities.
4 Measurement methods and acoustical environments
This clause of Part 1 is applicable except as follows:
4.2 Direct method
Addition:

If pure tone components are present in the noise emitted by the source, the estimated

standard deviation of the measured sound pressure levels in the special reverberation room

may increase. In such cases additional microphone positions or source positions may be

necessary as specified in ISO 3743-2.
4.3 Comparison method
Addition:

If pure tone components are present in the noise emitted by the source, the estimated

standard deviation of the measured sound pressure levels in the hard-walled test room or in

the special reverberation room may increase. In such cases additional microphone positions

or source positions may be necessary as specified in ISO 3743-1 or ISO 3743-2.
---------------------- Page: 11 ----------------------
– 10 – IEC 60704-2-1:2014  IEC 2014
5 Instrumentation
This clause of Part 1 is applicable except as follows:
5.1 Instrumentation for measuring acoustical data
Addition:

The use of a windscreen is recommended. If necessary, the observed sound pressure level

shall be corrected for changes in the microphone sensitivity, in accordance with the

instructions accompanying the instrumentation.
6 Operation and location of appliances under test
This clause of Part 1 is applicable except as follows:
6.1 Equipping and pre-conditioning of appliances
6.1.1
Replacement:

The appliance is equipped with the ordinary cleaning head intended for dust removal from

carpets or hard floors respectively and the necessary attachments, for example hoses and

connecting tubes.

The vacuum cleaner and its attachments shall be used and adjusted in accordance with the

manufacturer's instructions for normal operation for the test to be carried out. Height

adjustment controls for the cleaning head shall be set as appropriate for the surface to be

cleaned and the position noted.

NOTE 101 Additional measurements can be made for other settings (for instance: "boost" position, minimum

speed). A boost position is a setting of a control for occasional use, which results in a higher temporary motor

speed.

The tube grip of cleaners with suction hose or the handle of other cleaners shall be held as or

normal operation at a height of (800 ± 50) mm above the test floor.

If the vacuum cleaner is designed to be used with disposable dust receptacles, it shall, prior

to each measurement, be equipped with a new dust receptacle of the type recommended or

supplied by the manufacturer of the vacuum cleaner.

If the vacuum cleaner is provided with a reusable dust receptacle (as the sole original dust

receptacle or as an enclosure for disposable dust receptacles), the dust receptacle and any

additional filters removable without the aid of tools shall, prior to each measurement, be

cleaned according to manufacturer’s instructions until its weight is within 1 % or 2 g of its

original weight whichever is lower.
6.1.3
Replacement:

Prior to the first test on a new vacuum cleaner it shall be kept running with unrestricted air

flow for at least 2 h to ensure adequate running-in. For active nozzles, the agitation device

shall be running but not be in contact with the floor.
---------------------- Page: 12 ----------------------
IEC 60704-2-1:2014  IEC 2014 – 11 –

Prior to the first test on a new battery operated vacuum cleaner it shall be kept running with

unrestricted air flow for at least 3 full charge and discharge cycles to ensure adequate

running-in. For active nozzles, the agitation device shall be running but not in contact with the

floor.

Prior to conducting any series of tests, the age, condition, and history of the product shall be

recorded.
6.1.4
Addition:

If the vacuum cleaner is unused and de-energized for more than 1 h, then the vacuum cleaner

and attachments to be used shall be kept running for at least 10 min to allow them to

stabilise.

For appliances supplied from batteries, this duration for stabilising is reduced to 2 min.

6.2 Supply of electric energy and of water or gas
6.2.2
Addition:

Rechargeable vacuum cleaners are measured with fully charged batteries and disconnected

from the external power source.
6.4 Loading and operating of appliances during tests
6.4.2
Replacement:

Vacuum cleaners shall be operated either on standard Wilton test carpet or on standard hard

floor depending on the function specified by the manufacturer. Vacuum cleaners designed for

cleaning both carpets and hard floor shall be operated on standard Wilton carpet and on

standard hard floor.

Any controls shall be set to the maximum position for normal operating. Unless the

manufacturer’s instructions state otherwise, any bypass air openings for reducing the suction

power shall be closed. If such openings are not controlled manually this shall be reported.

Before starting the measurement procedure, ensure that the cleaning head is adjusted

correctly in accordance with the manufacturer's instructions for cleaning carpets and/or hard

floors.
For operation of the appliance on carpets:

If the cleaning head is equipped with a device to put out brushes or other retractable parts for

cleaning carpets, the cleaning head is adjusted so that the bristles of rotating brushes or other

retractable parts go beyond the theoretical supporting plane of the cleaning head on a hard

+ 0,2
) mm or, if not possible, from at least 2 mm.
floor from (2
All parts intended for hard floor treatment only shall be removed or retracted.

With the appliance switched off, lift the cleaning head off the carpet, replace the cleaning

head on the edge of the carpet and push along the pile direction into the measurement

---------------------- Page: 13 ----------------------
– 12 – IEC 60704-2-1:2014  IEC 2014

position, taking care that no vertical force is exerted. To avoid any vertical force it is

recommended to push the cleaning head directly by hand. Switch on the appliance.
Other conditions are specified in 6.1.1, 6.2 and 6.3.
If the appliance is delivered with an ordinary ca
...

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