SIST EN 60068-2-30:2006

SLOVENSKI STANDARD
01-februar-2006
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SIST EN 60068-2-30:2001
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Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle)
Umgebungseinflüsse - Teil 2-30: Prüfverfahren - Prüfung Db: Feuchte Wärme, zyklisch
(12 + 12 Stunden)
Essais d'environnement - Partie 2-30: Essais - Essai Db: Essai cyclique de chaleur
humide (cycle de 12 h + 12 h)
Ta slovenski standard je istoveten z: EN 60068-2-30:2005
ICS:
19.040
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 60068-2-30
NORME EUROPÉENNE
EUROPÄISCHE NORM December 2005

ICS 19.040 Supersedes EN 60068-2-30:1999

English version
Environmental testing
Part 2-30: Tests –
Test Db: Damp heat, cyclic (12 h + 12 h cycle)
(IEC 60068-2-30:2005)
Essais d'environnement Umgebungseinflüsse
Partie 2-30: Essais – Teil 2-30: Prüfverfahren –
Essai Db: Essai cyclique de chaleur Prüfung Db: Feuchte Wärme, zyklisch
humide (cycle de 12 h + 12 h) (12 + 12 Stunden)
(CEI 60068-2-30:2005) (IEC 60068-2-30:2005)

This European Standard was approved by CENELEC on 2005-11-01. 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 Central Secretariat 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 Central Secretariat has the same status as the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 60068-2-30:2005 E
Foreword
The text of document 104/369/FDIS, future edition 3 of IEC 60068-2-30, prepared by IEC TC 104,
Environmental conditions, classification and methods of test, was submitted to the IEC-CENELEC
parallel vote and was approved by CENELEC as EN 60068-2-30 on 2005-11-01.
This European Standard supersedes EN 60068-2-30:1999.
The main changes with respect to EN 60068-2-30:1999 are:
– editorial changes,
– addition of normative references,
– addition of guidance for temperature tolerances,
– period for recovery has been extended.
The following dates were fixed:
– latest date by which the EN has to be implemented
at national level by publication of an identical
national standard or by endorsement (dop) 2006-08-01
– latest date by which the national standards conflicting
with the EN have to be withdrawn (dow) 2008-11-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice
The text of the International Standard IEC 60068-2-30:2005 was approved by CENELEC as a
European Standard without any modification.
__________
- 3 - EN 60068-2-30:2005
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following referenced documents are indispensable for the application 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 Where an international publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
Publication Year Title EN/HD Year
1) 2)
IEC 60068-2-38 - Environmental testing EN 60068-2-38 1999
Part 2: Tests - Test Z/AD: Composite
temperature/humidity cyclic test

1) 2)
IEC 60068-3-6 - Part 3-6: Supporting documentation and EN 60068-3-6 2002
guidance - Confirmation of the
performance of temperature/humidity
chambers
3)
IEC 60068-1 1988 Part 1: General and guidance EN 60068-1 1994

1) 2)
IEC 60068-5-2 - Part 5: Guide to drafting of test methods - EN 60068-5-2 1999
Terms and definitions
1)
Undated reference.
2)
Valid edition at date of issue.
3)
EN 60068-1 includes corrigendum October 1988 + A1:1992 to IEC 60068-1.

IEC 60068-2-30
Edition 3.0 2005-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
BASIC SAFETY PUBLICATION
PUBLICATION FONDAMENTALE DE SÉCURITÉ
Environmental testing –
Part 2-30: Tests – Test Db: Damp heat, cyclic (12 + 12 h cycle)

Essais d'environnement –
Partie 2-30: Essais – Essai Db: Essai cyclique de chaleur humide
(cycle de 12 h + 12 h)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
N
CODE PRIX
ICS 19.040 ISBN 2-8318-8144-7
60068-2-30  IEC:2005 – 3 – – 2 – 60068-2-30 © IEC:2005
CONTENTS
FOREWORD.3

Scope.5
2 Normative references.5
3 General description.5
4 Testing chamber – Construction requirements.6
5 Severities .6
6 Initial measurements.7
7 Conditioning .7
8 Intermediate measurements.8
9 Recovery .8
10 Final measurements .9
11 Information to be given in the relevant specification.9
Annex A (informative) Selection of variant for the temperature-fall period – Guidance .14

Figure 1 – Test Db – Stabilizing period .10
Figure 2 – Test Db – Test cycle – Variants 1 and 2 .12
Figure 3 – Test Db – Recovery at controlled conditions.13

60068-2-30 © IEC:200560068-2-30  IEC:2005 – 5 – – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
ENVIRONMENTAL TESTING –
Part 2-30: Tests – Test Db :
Damp heat, cyclic (12 h + 12 h cycle)

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 provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
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 60068-2-30 has been prepared by IEC technical committee 104:
Environmental conditions, classification and methods of test.
This third edition cancels and replaces the second edition (1980) and its amendment 1 (1985),
and constitutes a technical revision.
The main changes with respect to the previous edition are listed below:
– editorial changes,
– addition of normative references,
– addition of guidance for temperature tolerances,
– period for recovery has been extended.

– 4 – 60068-2-30 © IEC:2005
The text of this standard is based on the following documents:
FDIS Report on voting
104/369/FDIS 104/374/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 publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
It has the status of a basic safety publication in accordance with IEC Guide 104.
This standard forms Part 2-30 of IEC 60068 which consists of the following major parts, under
the general title Environmental testing:
Part 1: General and guidance;
Part 2: Tests;
Part 3: Supporting documentation and guidance;
Part 4: Information for specification writers;
Part 5: Guide to drafting of test methods.
The committee has decided that the contents of this publication will remain unchanged until the
maintenance result 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.
60068-2-30 © IEC:200560068-2-30  IEC:2005 – 9 – – 5 –
ENVIRONMENTAL TESTING –
Part 2-30: Tests – Test Db:
Damp heat, cyclic (12 h + 12 h cycle)

1 Scope
This part of IEC 60068 determines the suitability of components, equipment or other articles for
use, transportation and storage under conditions of high humidity – combined with cyclic
temperature changes and, in general, producing condensation on the surface of the specimen.
If the test is being used to verify the performance of a specimen whilst it is being transported or
stored in packaging then the packaging will normally be fitted when the test conditions are
being applied.
For small, low mass specimens, it may be difficult to produce condensation on the surface of
the specimen using this procedure; users should consider the use of an alternative procedure
such as that given to IEC 60068-2-38.
2 Normative references
The following referenced documents are indispensable for the application 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 60068-2-38, Environmental testing – Part 2-38: Tests – Test Z/AD: Composite
temperature/humidity cyclic test
IEC 60068-3-6, Environmental testing – Part 3-
...