Surface cleaning appliances - Part 6: Wet hard floor cleaning appliances for household or similar use - Methods for measuring the performance

This International Standard is applicable for measurements of the performance of wet hard floor cleaning appliances for household use in or under conditions similar to those in households. In the case of appliances with combined functionality, this standard only addresses the wet cleaning functionality. The purpose of this standard is to specify essential performance characteristics of wet hard floor cleaning appliances which are of interest to users and to describe methods for measuring these characteristics. NOTE 1 Due to the influence of environmental conditions, variations in time, origin of test materials and proficiency of the operator, most of the described test methods will give more reliable results when applied for comparative testing of a number of appliances at the same time, in the same laboratory and by the same operator. NOTE 2 This standard is not intended for cordless and robotic wet hard floor cleaning appliances. For safety requirements, reference is made to IEC 60335-1, IEC 60335-2-2, IEC 60335-2-10, and IEC 60335-2-54. A recommendation on information for the consumer at the point of sale is given in Annex B.

Geräte zur Oberflächenreinigung – Teil 6: Nassreinigungsgeräte für Hartböden für den Hausgebrauch und ähnliche Anwendungen – Verfahren zur Messung der Gebrauchseigenschaften

Appareils de nettoyage des sols - Partie 6: Appareils de nettoyage des sols durs et mouillés à usage domestique ou analogue - Méthodes de mesure de l'aptitude à la fonction

Naprave za površinsko čiščenje - 6. del: Čistilniki za mokro čiščenje trdih tal za gospodinjsko in podobno uporabo - Metode za merjenje učinkovitosti

Ta mednarodni standard se uporablja za merjenje zmogljivosti čistilnikov za mokro čiščenje trdih tal za gospodinjsko in podobno uporabo pod pogoji, ki ustrezajo ali so podobni pogojem v gospodinjstvih. V primeru aparatov s kombinirano funkcionalnostjo ta standard obravnava samo funkcijo mokrega čiščenja.
Namen tega standarda je določiti glavne lastnosti delovanja čistilnikov za mokro čiščenje trdih tal, ki zanimajo uporabnike, ter opisati metode za merjenje teh lastnosti.
OPOMBA 1: Zaradi vpliva okoljskih pogojev, časovne spremenljivosti, izvora materialov za preskušanje in usposobljenosti upravljavca večina opisanih preskusnih metod pokaže zanesljivejše rezultate, če se uporabijo pri istočasnem primerjalnem preskušanju več aparatov, ki ga en upravljavec izvede v istem laboratoriju.
OPOMBA 2: Ta standard ni namenjen za brezžične in robotske čistilnike za mokro čiščenje trdih tal.
Pri varnostnih zahtevah se upošteva standarde IEC 60335-1, IEC 60335-2-2, IEC 60335-2-10 in IEC 60335-2-54.
Priporočilo o informacijah za potrošnika na prodajnem mestu je podano v dodatku B.

General Information

Status
Withdrawn
Publication Date
25-Oct-2019
Withdrawal Date
25-Jul-2020
Current Stage
6060 - Document made available - Publishing
Start Date
16-Aug-2019
Due Date
13-Apr-2021
Completion Date
16-Aug-2019

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SLOVENSKI STANDARD
SIST EN IEC/ASTM 62885-6:2019
01-november-2019

Naprave za površinsko čiščenje - 6. del: Čistilniki za mokro čiščenje trdih tal za

gospodinjsko in podobno uporabo - Metode za merjenje učinkovitosti

Surface cleaning appliances - Part 6: Wet hard floor cleaning appliances for household

or similar use - Methods for measuring the performance
Ta slovenski standard je istoveten z: EN IEC/ASTM 62885-6:2019
ICS:
97.080 Aparati za čiščenje Cleaning appliances
SIST EN IEC/ASTM 62885-6:2019 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN IEC/ASTM 62885-6:2019
---------------------- Page: 2 ----------------------
SIST EN IEC/ASTM 62885-6:2019
EUROPEAN STANDARD EN IEC/ASTM 62885-6
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2019
ICS 97.080
English Version
Surface cleaning appliances - Part 6: Wet hard floor cleaning
appliances for household or similar use - Methods for measuring
the performance
(IEC/ASTM 62885-6:2018)

Appareils de nettoyage des sols - Partie 6: Appareils de Geräte zur Oberflächenreinigung - Teil 6:

nettoyage des sols durs et mouillés à usage domestique ou Nassreinigungsgeräte für Hartböden für den Hausgebrauch

analogue - Méthodes de mesure de l'aptitude à la fonction und ähnliche Anwendungen - Verfahren zur Messung der

(IEC/ASTM 62885-6:2018) Gebrauchseigenschaften
(IEC/ASTM 62885-6:2018)

This European Standard was approved by CENELEC on 2019-07-26. 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

© 2019 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN IEC/ASTM 62885-6:2019 E
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SIST EN IEC/ASTM 62885-6:2019
EN IEC/ASTM 62885-6:2019 (E)
European foreword

This document (EN IEC/ASTM 62885-6:2019) consists of the text of IEC/ASTM 62885-6:2018

prepared by SC 59F "Surface cleaning appliances" of IEC/TC 59 "Performance of household and

similar electrical appliances".
The following dates are fixed:
• latest date by which the document has to be implemented (dop) 2020-04-26
at national level by publication of an identical national
standard or by endorsement
• latest date by which the national standards conflicting with (dow) 2020-07-26
the document have to be withdrawn

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.

Endorsement notice

The text of the International Standard IEC/ASTM 62885-6:2018 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 60704-1 NOTE Harmonized as EN 60704-1
IEC 60704-2-1 NOTE Harmonized as EN 60704-2-1
IEC 60704-3 NOTE Harmonized as EN 60704-3
IEC 62885-3 NOTE Harmonized as EN 62885-3
IEC 62929 NOTE Harmonized as EN 62929
ISO 2439 NOTE Harmonized as EN ISO 2439
ISO 3386-1 NOTE Harmonized as EN ISO 3386-1
ISO 5167-1 NOTE Harmonized as EN ISO 5167-1
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SIST EN IEC/ASTM 62885-6:2019
EN IEC/ASTM 62885-6:2019 (E)
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 60335-1 (mod) - Household and similar electrical appliances - EN 60335-1 -
Safety - Part 1: General requirements
+A11 2014
+A12 2017
+AC 2014
+A14 2019
+A13 2017
+prA15
+prA16
IEC 60335-2-2 - Household and similar electrical appliances - EN 60335-2-2 -
Safety - Part 2-2: Particular requirements for
vacuum cleaners and water-suction cleaning
appliances
+FprAB 201X
+prA12
+A11 2012
IEC 60335-2-10 - Household and similar electrical appliances - EN 60335-2-10 -
Safety - Part 2-10: Particular requirements for
floor treatment machines and wet scrubbing
machines
+FprAA 2015
IEC 60335-2-54 - Household and similar electrical appliances - EN 60335-2-54 -
Safety - Part 2-54: Particular requirements for
surface-cleaning appliances for household
use employing liquids or steam
+FprA12
+A11 2012
IEC 60688 - Electrical measuring transducers for EN 60688 -
converting A.C. and D.C. electrical quantities
to analogue or digital signals
IEC 60734 2012 Household electrical appliances - EN 60734 2012
Performance - Water for testing
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SIST EN IEC/ASTM 62885-6:2019
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SIST EN IEC/ASTM 62885-6:2019
IEC/ASTM 62885-6
Edition 1.0 2018-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Surface cleaning appliances –
Part 6: Wet hard floor cleaning appliances for household or similar use –
Methods for measuring the performance
Appareils de nettoyage des sols –
Partie 6: Appareils de nettoyage des sols durs et mouillés à usage domestique
ou analogue – Méthodes de mesure de l'aptitude à la fonction
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 97.080 ISBN 978-2-8322-5951-1

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: 7 ----------------------
SIST EN IEC/ASTM 62885-6:2019
– 2 – IEC/ASTM 62885-6:2018
© IEC/ASTM 2018
CONTENTS

FOREWORD ......................................................................................................................... 4

1 Scope ............................................................................................................................ 6

2 Normative references..................................................................................................... 6

3 Terms and definitions .................................................................................................... 6

4 General conditions for testing ........................................................................................ 8

4.1 Atmospheric conditions ......................................................................................... 8

4.2 Test equipment and materials ................................................................................ 8

4.3 Voltage and frequency........................................................................................... 8

4.4 Running-in of wet hard floor cleaners ..................................................................... 9

4.5 Equipment of the wet hard floor cleaner ................................................................. 9

4.6 Operation of the wet hard floor cleaner .................................................................. 9

4.7 Conditioning prior to each test ............................................................................. 10

4.7.1 General ....................................................................................................... 10

4.7.2 Preparations specific to steam cleaners ........................................................ 10

4.7.3 Preparations for other wet hard floor cleaners ............................................... 10

4.8 Mechanical operator ............................................................................................ 10

4.9 Number of samples ............................................................................................. 10

5 Wet hard floor cleaning tests ........................................................................................ 11

5.1 Cleaning efficiency of hard flat floors – Purpose ................................................... 11

5.1.1 General ....................................................................................................... 11

5.1.2 Apparatus .................................................................................................... 11

5.1.3 Materials ...................................................................................................... 12

5.1.4 Sampling and test trials ................................................................................ 13

5.1.5 Method ........................................................................................................ 13

5.2 Dirt pickup test (under development) ................................................................... 19

5.3 Grout cleaning (future development) .................................................................... 19

5.4 Soil removal along walls (future development) ..................................................... 19

5.5 Pad loading test for steam cleaners (future development) .................................... 19

5.6 Air data (future development) .............................................................................. 19

6 Miscellaneous tests ..................................................................................................... 19

6.1 General ............................................................................................................... 19

6.2 Motion resistance (future development) ............................................................... 19

6.3 Cleaning under furniture (future development) ..................................................... 19

6.4 Radius of operation ............................................................................................. 19

6.4.1 Purpose ....................................................................................................... 19

6.4.2 Conditions for measurement ......................................................................... 19

6.4.3 Determination of radius of operation ............................................................. 19

6.5 Impact resistance for floor cleaning heads ........................................................... 20

6.5.1 Purpose ....................................................................................................... 20

6.5.2 Test equipment ............................................................................................ 20

6.5.3 Determination of impact resistance ............................................................... 20

6.6 Mass ................................................................................................................... 20

6.7 Weight in hand .................................................................................................... 20

6.8 Specific cleaning time ......................................................................................... 21

6.9 Dimensions ......................................................................................................... 21

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SIST EN IEC/ASTM 62885-6:2019
IEC/ASTM 62885-6:2018 – 3 –
© IEC/ASTM 2018

6.10 Noise level (future development) ......................................................................... 21

6.11 Energy consumption (future development) ........................................................... 21

6.12 Operational life-time test (future development) ..................................................... 21

6.13 Rated input power ............................................................................................... 21

7 Test material and equipment ........................................................................................ 22

7.1 General ............................................................................................................... 22

7.2 Material for tests ................................................................................................. 22

7.2.1 Test surfaces ............................................................................................... 22

7.2.2 Test soils ..................................................................................................... 22

7.2.3 Demineralized water .................................................................................... 23

7.3 Equipment for tests ............................................................................................. 23

7.3.1 Mechanical operator ..................................................................................... 23

7.3.2 Tile floor cleaning fixture .............................................................................. 25

7.3.3 Adjustable pipette ........................................................................................ 25

7.3.4 Stain application template (type A) ............................................................... 25

7.3.5 Device for impact test .................................................................................. 26

8 Instructions for use ...................................................................................................... 27

Annex A (informative) Information on materials ................................................................... 28

Annex B (informative) Information at the point of sale ......................................................... 29

Bibliography ....................................................................................................................... 30

Figure 1 – Photo of spoon and spatula ................................................................................ 11

Figure 2 – Electronic scale for weighing of tiles ................................................................... 12

Figure 3 – Tile drying rack for preparing and drying soil stains ............................................. 12

Figure 4 – Marking of tile .................................................................................................... 13

Figure 5 – Soiling with coffe ................................................................................................ 14

Figure 6 – Application of pasty ............................................................................................ 15

Figure 7 – Removal of excess soil ....................................................................................... 16

Figure 8 – Cleaning stroke starting position ......................................................................... 17

Figure 9 – End position after first stroke .............................................................................. 18

Figure 10 – Example of zigzag cleaning pattern ................................................................... 21

Figure 11 – Mechanical operator for the determining cleaning efficiency .............................. 24

Figure 12 – Tile floor cleaning fixture with guides and stroke pacing device .......................... 25

Figure 13 – Adjustable pipette: 100 to 1000 µl range for applying liquid stains ..................... 25

Figure 14 – Stain application template (type A) .................................................................... 26

Figure 15 – Drum for impact test ......................................................................................... 27

Table 1 – Example of results ............................................................................................... 19

Table 2 – Distance between holes ....................................................................................... 26

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SIST EN IEC/ASTM 62885-6:2019
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© IEC/ASTM 2018
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SURFACE CLEANING APPLIANCES –
Part 6: Wet hard floor cleaning appliances for household or similar use –
Methods for measuring the performance
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

in the subject dealt with may participate in this preparatory work. International, governmental and non-

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

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

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

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

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.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

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.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

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/ASTM 62885-6 has been prepared by a Joint Working Group of

subcommittee 59F: Surface cleaning appliances, of IEC technical committee 59: Performance

of household and similar electrical appliances and ASTM Committee F11: Vacuum cleaners.

It is published as a dual logo standard.
The text of this International Standard is based on the following documents:
CDV Report on voting
59F/329/CDV 59F/343/RVC

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.
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SIST EN IEC/ASTM 62885-6:2019
IEC/ASTM 62885-6:2018 – 5 –
© IEC/ASTM 2018

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

A list of all the parts in the IEC 62885 series, under the general title Surface cleaning

appliances, can be found on the IEC website.
In this standard, the following print types are used:
– terms defined in Clause 3: bold type.

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.
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SIST EN IEC/ASTM 62885-6:2019
– 6 – IEC/ASTM 62885-6:2018
© IEC/ASTM 2018
SURFACE CLEANING APPLIANCES –
Part 6: Wet hard floor cleaning appliances for household or similar use –
Methods for measuring the performance
1 Scope

This part of IEC 62885 is applicable for measurements of the performance of wet hard floor

cleaning appliances for household use in or under conditions similar to those in households.

In the case of appliances with combined functionality, this document only addresses the wet

cleaning functionality.

The purpose of this document is to specify essential performance characteristics of wet hard

floor cleaning appliances that are of interest to users and to describe methods for

measuring these characteristics.

NOTE This document is not intended for cordless and robotic wet hard floor cleaning appliances.

For safety requirements, reference is made to IEC 60335-1, IEC 60335-2-2, IEC 60335-2-10,

and IEC 60335-2-54.

A recommendation on information for the consumer at the point of sale is given in Annex B.

2 Normative references

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.

IEC 60335-1, Household and similar electrical appliances – Safety – Part 1: General

requirements

IEC 60335-2-2, Household and similar electrical appliances – Safety – Part 2-2: Particular

requirements for vacuum cleaners and water-suction cleaning appliances

IEC 60335-2-10, Household and similar electrical appliances – Safety – Part 2-10: Particular

requirements for floor treatment machines and wet scrubbing machines

IEC 60335-2-54, Household and similar electrical appliances – Safety – Part 2-54: Particular

requirements for surface-cleaning appliances for household use employing liquids or steam

IEC 60688, Electrical measuring transducers for converting A.C. and D.C. electrical quantities

to analogue or digital signals

IEC 60734:2012, Household electrical appliances – Performance – Water for testing

3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
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SIST EN IEC/ASTM 62885-6:2019
IEC/ASTM 62885-6:2018 – 7 –
© IEC/ASTM 2018

ISO and IEC maintain terminological databases for use in standardization at the following

addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
wet hard floor cleaner

electrically operated appliance that removes wet or dry stains and soils (e.g. beverage & food

stains, floor grime, etc.) from a hard floor surface to be cleaned by use of water alone, a

detergent solution mix, or use of steam, and can employ an air flow created by a vacuum

developed within the unit, the removed material being separated in the appliance and the

cleaned suction air being returned to the ambient air
3.2
steam cleaner

wet hard floor cleaner that uses steam, and generally employs a soft absorbent pad to

transfer hot moisture to the floor surface and to absorb and remove the stains and soils

3.3
cleaning head

plain nozzle, pad, or brush attached to a wet hard floor cleaner that is applied to a surface to

be cleaned
3.4
active nozzle

cleaning head provided with a driven agitation device to assist stain or soil removal

3.5
passive nozzle
cleaning head without any driven agitation device
3.6
floor cleaning head width
external maximum width of the cleaning head with pad
Note 1 to entry: Floor cleaning head width is expressed in metres.
3.7
cleaning cycle

execution of one double stroke to be carried out at a specified stroke speed over the test

area
3.8
stroke pattern

arrangement of the forward strokes and return strokes on the surface to be cleaned

3.9
parallel pattern
stroke pattern where the forward strokes and the return strokes are congruent
3.10
stroke speed

speed of the cleaning head, moved as uniformly as possible, during a forward stroke or a

return stroke
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SIST EN IEC/ASTM 62885-6:2019
– 8 – IEC/ASTM 62885-6:2018
© IEC/ASTM 2018
3.11
stroke length
distance between the two parallel lines defining the limits of a stroke pattern
3.12
double stroke

one forward and one backward movement of the cleaning head performed in a parallel

pattern
3.13
forward stroke
forward movement of a stroke pattern
3.14
return stroke
backward movement of a stroke pattern
4 General conditions for testing
4.1 Atmospheric conditions

Unless otherwise specified, the test procedures and measurements shall be carried out under

the following conditions:
Standard atmosphere 23/50
Temperature: (23 ± 2) °C
Relative humidity: (50 ± 5) %
Air pressure: 86 kPa to 106 kPa

Temperature and humidity conditions within the specified ranges are required for good

repeatability and reproducibility. Care should be taken to avoid changes during a test.

For test procedures and measurements, which may be carried out at conditions other than

standard atmospheric conditions, the ambient temperature shall be maintained at (23 ± 5) °C.

NOTE Due to the influence of environmental conditions, variations in time, origin of test materials and proficiency

of the operator, most of the described test methods will give more reliable results when applied for comparative

testing of a number of appliances at the same time, in the same laboratory and by the same operator.

4.2 Test equipment and materials

Equipment and materials for measurements (devices, test surfaces, stains, soils, etc.) to be

used in a test shall, prior to the test, be stored for at least 16 h at standard atmospheric

conditions in accordance with 4.1.
4.3 Voltage and frequency

Unless otherwise stated, measurements shall be carried out at rated voltage with a tolerance

of ±1 % and, if applicable, at rated frequency.

Wet hard floor cleaners designed for DC only shall be operated at DC. Wet hard floor

cleaners designed for both AC and DC shall be operated at AC. Wet hard floor cleaners not

marked with rated frequency shall be operated at either (50 ± 1) Hz or (60 ± 1) Hz with a total

harmonic distortion of < 3 %, as is common in the country of use.

For wet hard floor cleaners with a rated voltage range, measurements shall be carried out at

the mean value of the voltage range if the difference between the limits of the range does not

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IEC/ASTM 62885-6:2018 – 9 –
© IEC/ASTM 2018
exceed 10 % of the mean value. If the difference exceeds 10
...

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