Surface cleaning appliances - Part 1: General requirements on test material and test equipment

IEC TS 62885-1:2020 is available as IEC TS 62885-1:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC TS 62885-1:2020 specifies the physical characteristics of test equipment and material used in tests common to several products covered by the IEC 62885 series for surface cleaning appliances. In addition, it provides guidance regarding the evaluation of Wilton and other types of carpets to determine their acceptability for testing and pre-treatment of test dust. This third edition cancels and replaces the second edition published in 2016. This edition constitutes a technical revision.
This edition includes the following significant technical change with respect to the previous edition:
a) Clauses 4 and 5 on test carpets have been combined into the new Clause 4;
b) a new Clause 5 has been added containing specifications and treatment of various kinds of test dust;
c) a level loop test carpet specification has been added.

General Information

Status
Published
Publication Date
18-Oct-2020
Current Stage
PPUB - Publication issued
Completion Date
19-Oct-2020
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IEC TS 62885-1
Edition 3.0 2020-10
TECHNICAL
SPECIFICATION
colour
inside
Surface cleaning appliances –
Part 1: General requirements on test material and test equipment
IEC TS 62885-1:2020-10(en)
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IEC TS 62885-1
Edition 3.0 2020-10
TECHNICAL
SPECIFICATION
colour
inside
Surface cleaning appliances –
Part 1: General requirements on test material and test equipment
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 97.080 ISBN 978-2-8322-8856-6

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

® Registered trademark of the International Electrotechnical Commission
---------------------- Page: 3 ----------------------
– 2 – IEC TS 62885-1:2020 © IEC 2020
CONTENTS

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

INTRODUCTION ..................................................................................................................... 6

1 Scope .............................................................................................................................. 7

2 Normative references ...................................................................................................... 7

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

4 Carpet construction specification ..................................................................................... 8

4.1 General ................................................................................................................... 8

4.2 Construction verification ....................................................................................... 10

4.2.1 General ......................................................................................................... 10

4.2.2 Performance verification ................................................................................ 11

4.3 Pre-treatment of new and replacement carpets for testing ..................................... 11

4.3.1 General ......................................................................................................... 11

4.3.2 Pre-treatment of new Wilton test carpets for dust removal testing .................. 11

4.3.3 Verification of replacement carpets for dust removal testing .......................... 11

4.4 Pre-treatment of new carpets for the determination of airborne acoustical

noise ..................................................................................................................... 11

5 Standard test dusts........................................................................................................ 12

5.1 Simulated household dust ..................................................................................... 12

5.1.1 Background ................................................................................................... 12

5.1.2 Composition of the simulated household dust ................................................ 12

5.1.3 Components .................................................................................................. 13

5.1.4 Mixing of simulated household dust ............................................................... 15

5.2 Mineral dust .......................................................................................................... 17

5.2.1 Mineral dust – Type 1 .................................................................................... 17

5.2.2 Mineral dust – Type 2 .................................................................................... 18

5.3 Debris ................................................................................................................... 18

5.3.1 Background ................................................................................................... 18

5.3.2 Medium size debris ........................................................................................ 19

5.3.3 Large debris .................................................................................................. 19

Annex A (informative) Information on supplier of test materials and details of test

equipment ............................................................................................................................. 21

Annex B (informative) Initial production run of the BIC4 Wilton test carpet .......................... 22

Annex C (informative) Determination of carpet pile direction ............................................... 23

Annex D (informative) Categories of dry vacuum cleaners ................................................... 24

D.1 General ................................................................................................................. 24

D.2 Vacuum categories ............................................................................................... 24

D.2.1 Upright vacuum cleaner ................................................................................. 24

D.2.2 Canister (cylinder) vacuum cleaner ................................................................ 24

D.2.3 Stick (handstick) vacuum cleaner................................................................... 25

D.2.4 Hand-held vacuum cleaner ............................................................................ 25

D.2.5 Robotic vacuum cleaner ................................................................................ 26

Bibliography .......................................................................................................................... 27

Figure 1 – Real household dust (left) and simulated household dust (right) ........................... 12

Figure 2 – Ready mixed simulated household dust................................................................ 13

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IEC TS 62885-1:2020 © IEC 2020 – 3 –

Figure 3 – Tumbler mixer (Source: www.fuchsag.com) .......................................................... 16

Figure 4 – Order of sampling (star-shaped) ........................................................................... 16

Figure 5 – Sampling of simulated household dust ................................................................. 17

Figure 6 – Comparison between non-organic and organic medium size debris ...................... 19

Figure 7 – Comparison between non-organic and organic large debris .................................. 20

Figure C.1 – Looking against pile direction ........................................................................... 23

Figure C.2 – Looking with pile direction ................................................................................ 23

Figure D.1 – Upright Cleaner ................................................................................................ 24

Figure D.2 – Canister vacuum cleaner .................................................................................. 25

Figure D.3 – Stick vacuum cleaner ........................................................................................ 25

Figure D.4 – Hand-held vacuum cleaner ............................................................................... 26

Figure D.5 – Robotic vacuum cleaner ................................................................................... 26

Table 1 – Wilton test carpet construction specifications .......................................................... 9

Table 2 – Level loop test carpet construction specifications .................................................. 10

Table 3 – Grain size distribution: Type 3 mineral dust .......................................................... 14

Table 4 – Cellulose dust fibre size distribution ...................................................................... 14

Table 5 – Cotton linters characteristics ................................................................................. 15

Table 6 – Grain size distribution: Type 1 mineral dust .......................................................... 18

Table 7 – Grain size distribution: Type 2 mineral dust ........................................................... 18

Table 8 – Specifications of nuts and set crews ...................................................................... 19

Table 9 – Specification of cap nuts ....................................................................................... 20

Table B.1 – Test results for BIC4 Wilton test carpets ............................................................ 22

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– 4 – IEC TS 62885-1:2020 © IEC 2020
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
SURFACE CLEANING APPLIANCES –
Part 1: General requirements on test material and test equipment
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

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

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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.

The main task of IEC technical committees is to prepare International Standards. In exceptional

circumstances, a technical committee may propose the publication of a technical specification

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• the required support cannot be obtained for the publication of an International Standard,

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• the subject is still under technical development or where, for any other reason, there is the

future but no immediate possibility of an agreement on an International Standard.

Technical specifications are subject to review within three years of publication to decide whether

they can be transformed into International Standards.

IEC TS 62885-1, which is a technical specification, has been prepared by subcommittee 59F:

Surface cleaning appliances, of IEC technical committee 59: Performance of household and

similar electrical appliances.

This third edition cancels and replaces the second edition published in 2016. This edition

constitutes a technical revision.
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IEC TS 62885-1:2020 © IEC 2020 – 5 –

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

edition:
a) Clauses 4 and 5 on test carpets have been combined into the new Clause 4;

b) a new Clause 5 has been added containing specifications and treatment of various kinds of

test dust;
c) a level loop test carpet specification has been added.
The text of this technical specification is based on the following documents:
Enquiry draft Report on voting
59F/390/DTS 59F/402/RVDTS

Full information on the voting for the approval of this technical specification 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.

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.

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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– 6 – IEC TS 62885-1:2020 © IEC 2020
INTRODUCTION

IEC subcommittee 59F has agreed to make a collection of test material and test equipment

used in standards for testing surface cleaning appliances and to publish this collection as a

technical specification. The existing annexes published on the IEC web will be integrated in this

technical specification step by step.

Regular maintenance of the technical specification ensures that other standards which refer to

this TS always reference the current status regarding test material and test equipment.

This third edition complements the specification of the Wilton test carpet in the second edition

with the specification of a level loop test carpet and information on pre-treatment of test carpets.

Furthermore, the specification of various types of test dust has been included. Further test

material and test equipment specifications will follow.

The intention with this document is to ensure a minimum of test material types and common

use of these materials in tests of various surface cleaning appliances.

For information on supplies of test materials and details of test equipment, see Annex A.

Annex D provides general information relative to the various categories of dry vacuum cleaners.

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IEC TS 62885-1:2020 © IEC 2020 – 7 –
SURFACE CLEANING APPLIANCES –
Part 1: General requirements on test material and test equipment
1 Scope

This part of IEC 62885 specifies the physical characteristics of test equipment and material

used in tests common to several products covered by the IEC 62885 series for surface cleaning

appliances. In addition, it provides guidance regarding the evaluation of Wilton and other types

of carpets to determine their acceptability for testing and pre-treatment of test dust.

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 62885-2:– , Surface cleaning appliances – Part 2: Dry vacuum cleaners for household or

similar use – Methods for measuring the performance

ISO 1763, Textile floor coverings – Determination of number of tufts and/or loops per unit length

and per unit area
ISO 1765, Machine-made textile floor coverings – Determination of thickness

ISO 1766, Textile floor coverings – Determination of thickness of pile above the substrate

ISO 1833-1, Textiles – Quantitative chemical analysis – General principles of testing

ISO 2060, Textiles – Yarn from packages – Determination of linear density (mass per unit length)

by the skein method
ISO 2061, Textiles – Determination of twist in yarns – Direct counting method
ISO 2424, Textile floor coverings – Vocabulary
ISO 4032, Hexagon nuts (style 1) – Product grades A and B
ISO 4766, Slotted set screws with flat point

ISO 6989, Textile fibres – Determination of length and length distribution of staple fibres (by

measurement of single fibres)
ISO 8543, Textile floor coverings – Methods for determination of mass
ISO 13320, Particle size analysis — Laser diffraction methods
____________
Under preparation. Stage at the time of publication: IEC AFDIS 62885-2:2020.
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– 8 – IEC TS 62885-1:2020 © IEC 2020

BS 4223, Methods for determination of constructional details of carpets with yarn pile

BS 8459, Determination of extractable matter in textiles – Method
DIN 1587, Hexagon domed cap nuts
EN 1307, Textile floor coverings – Classification
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

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
interlaboratory testing

testing the same samples in different laboratories, with different operators, and comparing the

results
4 Carpet construction specification
4.1 General

Test carpets shall be manufactured to the specifications provided in Table 1 and Table 2. Given

that wool is a natural fibre, it should be understood that some variability exists in the final

product.

The carpets used for performance testing of vacuum cleaners are classified and specified in

accordance with the characteristics in Table 1 and Table 2.

The pile direction is predefined for tests on cut pile carpets (like the Wilton test carpet). Usually

the pile direction of the test carpet is specified by the manufacturer. In Annex C several methods

for determining pile direction are provided.
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IEC TS 62885-1:2020 © IEC 2020 – 9 –
Table 1 – Wilton test carpet construction specifications
Type Wilton Tolerance Test method/Standard
Pile composition wool 8,6/2*2
Yarn count 8,6/2*2 ISO 2060
Wool composition 80 % New Zealand – 20 % British ISO 1833-1
Average fibre length 80/85 mm ISO 6989
Spinning process semi-worsted
Spin rotations per metre 270 ISO 2061
Spin rotation direction Z ISO 2061
Ply twist coefficient 155 ISO 2061
Twisted rotation direction S ISO 2061
Moth protection treatment 0,1 % fermentol 12 %
Colour dye (pigment) metal complex dye: type Neolan
Residual oil content < 0,60 BS 8459
Method of manufacturing Wilton fabric – Jackard weaving ISO 2424
Colour dark, one colour ISO 2424
Backing ISO 2424
jute and cotton + latex
Type cut – pile ISO 2424
Total thickness 9,2 mm ±5 % ISO 1765
Thickness of pile above the 6,6 mm ±5 % ISO 1766
substrate
2 2
±5 % ISO 8543
Total mass/m 2 300 g/m
Total mass of pile above the ±5 % ISO 8543
1 260 g/m
substrate/m (effective pile not
the total pile, determined on
finished carpet)
2 2
±5 % ISO 1763
Number of tufts/m 96 000 knots/m
Tuft density
±6 % BS 4223
96 knots/dm
Reed 320 r/mots/dm
Shots 300 sh/m
Standard manufactured width 250 cm
Latex – Specification CTF2000 TEXCOAT M.BC 5 Polymer for pile anchorage
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– 10 – IEC TS 62885-1:2020 © IEC 2020
Table 2 – Level loop test carpet construction specifications
Type Woven level loop Tolerance Test method/Standard
Pile composition wool 4,3
Yarn count 4,2/3 ISO 2060
Yarn Blend 80/20 wool – PA6, (nylon)6
Wool composition 50 % New Zealand – 50 % British ISO 1833
Average fibre length 80 mm ISO 6989
Spinning process carded wool
Spin rotations per metre 205 ISO 2061
Spin rotation direction Z ISO 2061
Ply twist coefficient 205 ISO 2061
Twisted rotation direction S ISO 2061
Moth protection treatment 0,1 % eulan
Colour dye (pigment) yellow chemacide E2GL, red
alpacideLBG,blue alizarine
Residual oil content < 0,40% BS 8459
Method of manufacturing Jackard weaving ISO 2424
Colour dark, one colour ISO 2424
Backing ISO 2424
jute and synthetic + latex
Type loop pile ISO 2424
Total thickness 7,0 mm ± 5 % ISO 1765
Thickness of pile above the 4,7 mm ± 5 % ISO 1766
substrate
2 2
± 5 % ISO 8543
Total mass/m 1 832 g/m gcdt
Total mass of pile above the ± 5 % ISO 8543
843 g/m gecdt
substrate/m (effective pile not
the total pile, determined on
finished carpet)
105 805 ± 5 % ISO 1763
Number of tufts/m
Tuft density see number of knots ± 6 % BS 4223
Reed 320
Shots 320
Standard manufactured width 68 cm
Use class XXX EN 1307
Latex – Specification TX 9262
4.2 Construction verification
4.2.1 General

The new carpet shall meet the construction specifications provided in Table 1. and Table 2.

Annex B provides an example of an evaluation of the initial production run of the production lot

BIC4 of the Wilton test carpet.
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IEC TS 62885-1:2020 © IEC 2020 – 11 –
4.2.2 Performance verification

Additionally, interlaboratory testing shall be conducted to verify the measured performance

values for the reference vacuum cleaner system RSB, with the passive nozzle and an active

vacuum cleaner. A minimum of six laboratories shall test the same vacuum cleaners on samples

of the new carpet and the previous carpet unique to each laboratory. Each carpet shall be tested

in accordance with IEC 62885-2:–, 5.3 and 6.2 by each laboratory and the results of the two

carpets shall be compared to determine differences between the old and new production runs

as well as overall variability of the new production run.
4.3 Pre-treatment of new and replacement carpets for testing
4.3.1 General

New and replacement carpets shall be conditioned prior to conducting recordable testing upon

them.
4.3.2 Pre-treatment of new Wilton test carpets for dust removal testing

Using a dry vacuum cleaner with a nozzle appropriate for the type of vacuum cleaners to be

tested on the carpet, and with a dust removal ability of 75 % ± 5 % on Wilton test carpets for

passive nozzles or 78 % ± 5 % on carpets for active nozzles, respectively, all loose fibre is

removed by vacuuming the entire surface of the carpet for 5 min. Weigh the amount of fibre

removed during this 5 min vacuuming period. If the amount of fibre removed is greater than

0,5 g, repeat the 5 min vacuuming and weighing procedures until less than 0,5 g is removed.

Record the weight of the carpet.

After completing the fibre removal procedure, use an in-house reference vacuum cleaner with

a dust removal ability of 75 % ± 5 % on carpets for passive nozzles or 78 % ± 5 % on Wilton

test carpets for active nozzles, respectively, to conduct dust removal trials in accordance with

IEC 62885-2:—, 5.3. A minimum of ten trials shall be conducted. After that, continue conducting

trials until four consecutive trials vary by less than one percentage point (maximum minus

minimum dust removal ability) for the Wilton test carpet and category C carpets, and 3 % for

other carpets.
NOTE The category C carpet is described in IEC 62885-2.

It is important that the width of the nozzle used for preparing the carpet is bigger than the

nozzles to be tested.

Separate carpets shall be used for active nozzles and passive nozzles. These separate carpets

shall be clearly marked.
4.3.3 Verification of replacement carpets for dust removal testing

The in-house reference vacuum cleaner used for the pre-treatment of new carpets shall be used

to verify the suitability of replacement carpets when required. If the deviation is greater than

five percentage points in dust removal ability compared to an internally defined fixed target

value, or to the original or first carpet used in the laboratory, then the new carpet shall not be

used.
In any case, the carpet shall not be used for more than 600 cleaning cycles.

4.4 Pre-treatment of new carpets for the determination of airborne acoustical noise

A new carpet shall be conditioned prior to conducting recordable testing upon it.

Using a dry vacuum cleaner with a nozzle appropriate for the type of vacuum cleaners to be

tested on the carpet, and with a dust removal ability of 75 % ± 5 % on Wilton test carpets for

passive nozzles or 78 % ± 5 % on Wilton test carpets for active nozzles, respectively, all loose

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– 12 – IEC TS 62885-1:2020 © IEC 2020

fibre is removed by vacuuming the entire surface of the carpet for 5 min. Weigh the amount of

fibre removed during this 5 min vacuuming period. If the amount of fibre removed is greater

than 0,5 g, repeat the 5 min vacuuming and weighing procedures until less than 0,5 g is

removed during 5 min. Record the weight of the carpet.
5 Standard test dusts
5.1 Simulated household dust
5.1.1 Background

In previous editions of standards for measuring the performance of dry vacuum cleaners, fine

dust was used to simulate the filling of the dust receptacle during use. This was sufficient as

long as a vast majority of vacuum cleaners was equipped with filter bags, often made of paper.

In the nineties, more and more bagless vacuum cleaners came onto the market that claimed to

experience no pressure drop when filling the dust container. The fine dust used for clogging

bagged vacuum cleaners was not suitable for bagless appliances.
Therefore, it became neces
...

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