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IEC 60704-2-1
Edition 4.0 2020-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Household and similar electrical appliances – Test code for the determination
of airborne acoustical noise –
Part 2-1: Particular requirements for dry vacuum cleaners
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IEC 60704-2-1
Edition 4.0 2020-10
REDLINE VERSION
INTERNATIONAL
STANDARD
colour
inside
Household and similar electrical appliances – Test code for the determination
of airborne acoustical noise –
Part 2-1: Particular requirements for dry vacuum cleaners
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 17.140.20; 97.080 ISBN 978-2-8322-9020-0
– 2 – IEC 60704-2-1:2020 RLV © IEC 2020
CONTENTS
FOREWORD . 3
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 . 8
2 Normative references . 9
3 Terms and definitions . 9
4 Measurement methods and acoustical environments . 10
5 Instrumentation . 11
5.1 Instrumentation for measuring acoustical data . 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 . 13
7 Measurement of sound pressure levels . 16
8 Calculation of sound pressure and sound power levels . 17
9 Information to be recorded . 17
10 Information to be reported . 17
Annexes . 22
Annex A (normative) Standard test table . 22
Bibliography . 23
Figure 101 – Appliance with cleaning head connected directly . 19
Figure 102 – Appliance with the cleaning head connected by hose and connecting
tube . 21
Table 101 – Standard deviations of sound power levels determined on carpets . 8
Table 102 – Standard deviations of sound power levels determined on hard floors . 8
Table 103 – Standard deviations for declaration and verification for vacuum cleaners
for carpets . 8
Table 104 – Standard deviations for declaration and verification for vacuum cleaners
for hard floors . 9
Table 105 – Wilton type carpet specifications .
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
TEST CODE FOR THE DETERMINATION
OF AIRBORNE ACOUSTICAL NOISE –
Part 2-1: Particular requirements for dry vacuum cleaners
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
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This redline version of the official IEC Standard allows the user to identify the changes
made to the previous edition. A vertical bar appears in the margin wherever a change has
been made. Additions are in green text, deletions are in strikethrough red text.
– 4 – IEC 60704-2-1:2020 RLV © IEC 2020
International Standard IEC 60704-2-1 has been prepared by subcommittee 59F: Surface
cleaning appliances, of IEC technical committee 59: Performance of household and similar
electrical appliances.
This fourth edition cancels and replaces the third edition published in 2014. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) product scope is extended to cordless and similar vacuum cleaners;
b) definitions of "cleaning head", "active nozzle" and "standard Wilton test carpet" have been
added;
c) specification of standard Wilton test carpet has been removed; reference is made to
IEC TS 62885-1;
d) specific requirements on equipping and pre-conditioning have been added;
e) topic ageing of test carpet is addressed.
The text of this International Standard is based on the following documents:
FDIS Report on voting
59F/399/FDIS 59F/408/RVD
Full information on the voting for the approval of this International Standard can be found in the
report on voting indicated in the above table.
This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
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 60704-1:2010.
The relevant text of Part 1 as amended by this document establishes the test code for vacuum
cleaners.
This Part 2-1 supplements or modifies the corresponding clauses in IEC 60704-1:2010. 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.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
the specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct understanding
of its contents. Users should therefore print this document using a colour printer.
– 6 – IEC 60704-2-1:2020 RLV © IEC 2020
INTRODUCTION
The measuring conditions specified in t
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