IEC PAS 63086-3-1:2023

IEC PAS 63086-3-1
Edition 1.0 2023-05
PUBLICLY AVAILABLE
SPECIFICATION
colour
inside
Household and similar electrical air cleaning appliances – Methods for
measuring the performance
Part 3-1: Method for assessing the reduction rate of key bioaerosols by portable
air cleaners using an aerobiology test chamber

EC PAS 63086-3-1:2023-05(en)
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IEC PAS 63086-3-1
Edition 1.0 2023-05
PUBLICLY AVAILABLE
SPECIFICATION
colour
inside
Household and similar electrical air cleaning appliances – Methods for

measuring the performance
Part 3-1: Method for assessing the reduction rate of key bioaerosols by portable

air cleaners using an aerobiology test chamber

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 23.120 ISBN 978-2-8322-7057-8

– 2 – IEC PAS 63086-3-1:2023 © IEC 2023
CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Principle . 9
5 Apparatus and materials . 9
6 Preparation of the stock cultures and working cultures of the test microbes . 12
7 Procedures . 12
8 Calculation and expression of results . 16
9 Test report . 20
Annex A (informative) Test chamber . 21
Annex B (informative) Example calculations for machine decay . 23
Annex C (informative) Alternate microbes for testing . 24
Annex D (informative) Slit sampler operation . 25
Annex E (informative) Suggested test report using this method . 26
Bibliography . 28

Figure 1 – SKC biosampler . 11
Figure 2 – Process table . 16
Figure 3 – Alternate process table . 16
Figure A.1 – Example – Main chamber with a glove box for external operation . 21
Figure A.2 – See-through of example chamber . 22
Figure B.1 − Graphical representation for decay curves . 23

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
HOUSEHOLD AND SIMILAR ELECTRICAL AIR CLEANING APPLIANCES –
METHODS FOR MEASURING THE PERFORMANCE –

Part 3-1: Method for assessing the reduction rate of key bioaerosols by
portable air cleaners using an aerobiology test chamber

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,
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preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
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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
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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) IEC draws attention to the possibility that the implementation of this document may involve the use of (a)
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A PAS is an intermediate specification made available to the public and needing a lower level
of consensus than an International Standard to be approved by vote (simple majority).
IEC PAS 63086-3-1 has been processed by subcommittee 59N: Electrical air cleaners for
household and similar purposes, of IEC technical committee 59: Performance of household and
similar electrical appliances, in co-operation with ISO technical committee 142: Cleaning
equipment for air and other gases.
It is published as a double logo PAS.
It is based on ANSI/AHAM AC-5-2022.

– 4 – IEC PAS 63086-3-1:2023 © IEC 2023
The text of this PAS is based on the This PAS was approved for
following document: publication by the P-members of the
committee concerned as indicated in
the following document
Draft PAS Report on voting
59N/28/DPAS 59N/33/RVDPAS
Following publication of this PAS, which is a pre-standard publication, the technical committee
or subcommittee concerned may transform it into an International Standard.
This PAS shall remain valid for an initial maximum period of 2 years starting from the publication
date. The validity may be extended for a single period up to a maximum of 2 years, at the end
of which it shall be published as another type of normative document, or shall be withdrawn.
Words in bold type in the text are defined in Clause 3.
A list of all parts in the IEC 63086 series, published under the general title Household and
similar electrical air cleaning appliances, can be found on the IEC website.

IMPORTANT – The "colour inside" logo on the cover page of this document 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.

INTRODUCTION
This Publicly Available Specification (PAS) contains test procedures for measuring the
reduction by the air cleaner of micro-organisms suspended in the air in the specified test
chamber. It also prescribes a method for measuring the operating power and stand-by power
of the air cleaner. The test procedures may be applied to any brand or model of household and
similar electrical air cleaners within the stated confines of the standard limits of measurability
for measuring performance.
The annexes to this PAS are included for informative purposes only unless the annexes are
noted as normative.
Warning – The tests given in this document shall be performed by expert staff trained to handle
microorganism-related techniques and in properly equipped laboratories under the supervision
of a skilled microbiologist. Some of the test micro-organisms might be facultative pathogens for
humans, animals and plants and require a laboratory of an appropriate bio-safety level. National
and international safety procedures for working with infectious biomaterials shall be followed to
prevent any contamination of laboratory staff, apparatus, working place or environment in
compliance with national standards or regulations. This document does not purport to address
all of the safety aspects, if any, associated with its use. It is the responsibility of the user to
establish appropriate safety and health practices and ensure compliance with any national,
regional or international regulatory conditions.
This PAS may involve hazardous materials, operations and equipment. This PAS does not
purport to address all of the safety problems associated with its use. It is the responsibility of
whoever uses this PAS to consult and establish appropriate safety and health practices and
determine the applicability of any regulatory limitations prior to use.

– 6 – IEC PAS 63086-3-1:2023 © IEC 2023
HOUSEHOLD AND SIMILAR ELECTRICAL AIR CLEANING APPLIANCES –
METHODS FOR MEASURING THE PERFORMANCE –

Part 3-1: Method for assessing the reduction rate of key bioaerosols by
portable air cleaners using an aerobiology test chamber

1 Scope
This part of IEC 63086 specifies a method to evaluate the capability of portable household air
cleaners to reduce the concentration and viability of key experimentally generated bioaerosols
in a specified chamber.
Indoor air free of harmful microbes is important to the health of occupants. This is particula
...