prEN IEC 60068-3-14:2024
(Main)Environmental testing - Part 3-14: Supporting documentation and guidance - Developing a climatic sequential test
Environmental testing - Part 3-14: Supporting documentation and guidance - Developing a climatic sequential test
Umgebungseinflüsse – Teil 3-14: Unterstützende Dokumentation und Leitfaden – Entwickeln einer Klima-Tests-Abfolge
Okoljsko preskušanje - 3-14. del: Podporna dokumentacija in navodilo - Razvoj klimatskega sekvenčnega preskušanja
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
01-maj-2024
Okoljsko preskušanje - 3-14. del: Podporna dokumentacija in navodilo - Razvoj
klimatskega sekvenčnega preskušanja
Environmental testing - Part 3-14: Supporting documentation and guidance - Developing
a climatic sequential test
Ta slovenski standard je istoveten z: prEN IEC 60068-3-14:2024
ICS:
01.110 Tehnična dokumentacija za Technical product
izdelke documentation
19.040 Preskušanje v zvezi z Environmental testing
okoljem
29.020 Elektrotehnika na splošno Electrical engineering in
general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
104/1040/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 60068-3-14 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2024-03-01 2024-05-24
SUPERSEDES DOCUMENTS:
104/1007/CD, 104/1028A/CC
IEC TC 104 : ENVIRONMENTAL CONDITIONS, CLASSIFICATION AND METHODS OF TEST
SECRETARIAT: SECRETARY:
Sweden Mr Henrik Lagerström
OF INTEREST TO THE FOLLOWING COMMITTEES: PROPOSED HORIZONTAL STANDARD:
Other TC/SCs are requested to indicate their interest, if
any, in this CDV to the secretary.
FUNCTIONS CONCERNED:
EMC ENVIRONMENT QUALITY ASSURANCE SAFETY
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
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the final stage for submitting ISC clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Environmental testing – Part 3-14: Supporting documentation and guidance – Developing a
climatic sequential test
PROPOSED STABILITY DATE: 2025
NOTE FROM TC/SC OFFICERS:
download this electronic file, to make a copy and to print out the content for the sole purpose of preparing National
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IEC CDV 60068-3-14 © IEC 2024 2 104/1040/CDV
1 CONTENTS
3 FOREWORD . 3
4 INTRODUCTION . 5
5 1 Scope . 6
6 2 Normative references . 6
7 3 Terms and definitions . 6
8 4 Background . 6
9 4.1 Environmental exposure sequence in life cycle . 6
10 4.2 Failure mechanism under a sequential test . 7
11 5 Introduction to the Process . 7
12 5.1 General . 7
13 5.2 Stage 1: review environmental requirements and compile a provisional test
14 sequence . 7
15 5.3 Stage 2: establish critical environments and refine sequence . 7
16 5.4 Stage 3: prepare sequential test programme . 8
17 5.5 Overall process . 8
18 6 Stage 1: review requirements compile provisional test sequence . 8
19 6.1 Evaluate product life cycle . 8
20 6.2 Evaluate environmental requirements . 8
21 6.3 Compile provisional list of critical environments . 10
22 7 Stage 2: establish critical environments and refine sequence . 10
23 7.1 Consideration of the operational state of the product . 10
24 7.2 Identification of potential failure modes . 10
25 7.3 Identify need for combined testing . 11
26 7.4 Review sensitivity of product to sequential environmental conditions . 11
27 7.5 Consideration of sequential and non-sequential testing . 12
28 8 Stage 3: prepare sequential test programme . 13
29 8.1 General . 13
30 8.2 Critical climatic tests . 13
31 8.3 Combined climatic tests . 13
32 8.4 Sequential climatic tests . 13
33 8.5 Review programme for technical credibility and cost effectiveness . 14
34 Annex A (informative) Failure modes . 16
36 Table 1 – The process to develop an environmental test sequence . 8
IEC CDV 60068-3-14 © IEC 2024 3 104/1040/CDV
40 INTERNATIONAL ELECTROTECHNICAL COMMISSION
41 ____________
43 ENVIRONMENTAL TESTING –
Part 3-14: Supporting documentation and guidance － Developing a
46 climatic sequential test
FOREWORD
51 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
52 all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
53 co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
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78 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
79 indispensable for the correct application of this publication.
80 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent
81 rights. IEC shall not be held responsible for identifying any or all such patent rights.
82 International Standard IEC 60068-3-14 has been prepared by IEC technical committee 104:
83 Environmental conditions, classification and methods of test.
84 The text of this International Standard is based on the following documents:
FDIS Report on voting
XX/XX/FDIS XX/XX/RVD
86 Full information on the voting for the approval of this International Standard can be found in the
87 report on voting indicated in the above table.
88 This document has been drafted in accordance with the ISO/IEC Directives, Part 2.
89 The committee has decided that the contents of this document will remain unchanged until the
90 stability date indicated on the IEC website under "http://webstore.iec.ch" in the data related to
91 the specific document. At this date, the document will be
92 • reconfirmed,
IEC CDV 60068-3-14 © IEC 2024 4 104/1040/CDV
93 • withdrawn,
94 • replaced by a revised edition, or
95 • amended.
IEC CDV 60068-3-14 © IEC 2024 5 104/1040/CDV
98 INTRODUCTION
99 The IEC 60068-2 series includes a variety of single and combined climatic condition tests. Some
100 of these tests can give cumulative effects or hysteretic effects, causing the unit-under-test
101 deteriorates, making it more vulnerable to the follow-up tests. Thus the determination of test
102 sequence can have significant influence to the conclusion of a test.
103 This part of IEC 60068 provides guidance for developing a climatic sequential test for a certain
104 type of product (electrical, electromechanical or electronic equipment and devices, as well as
105 their subassemblies, constituent parts and components). It is written for technicians, engineers
106 and managers in environment testing, and for those who need to understand the results of
107 sequential climatic environment tests.
108 With the increasing importance of the IEC Quality Assessment System for Electronic
109 Components (IECQ), it has become necessary to define the test sequence more precisely than
110 could be done in clause 7 of IEC 60068-1, in order to provide a satisfactory reproducibility of
111 the test. This International Standard describes in detail a composite test specifying a “climatic
112 sequence” for specimens of products, and it includes guidance in informative annexes for
113 specification writers and those performing the test.
IEC CDV 60068-3-14 © IEC 2024 6 104/1040/CDV
115 ENVIRONMENTAL TESTING –
117 Part 3-14: Supporting documentation and guidance － Developing a
118 climatic sequential test
120 1 Scope
121 This part of IEC 60068-3 describes a generic process for developing a climatic sequential test
122 programme by sequencing the test methods selected from IEC 60068-2 series. The generic
123 process comprises a systematic approach to the development of a sequential environmental
124 test programme. The process is applicable to electrical product, and can be customized
125 according to specific product requirements and applications. The process is designed for use
126 by both product suppliers and purchasers. The full process is particularly relevant to electrical
127 products, which would include products containing any components or material that have the
128 potential to degrade, as a consequence of environmental exposure.
129 2 Normative references
130 There are no normative references in this document.
131 3 Terms and definitions
132 For the purposes of this document, the following terms and definitions apply.
133 ISO and IEC maintain terminological databases for use in standardization at the following
134 addresses:
135 • IEC Electropedia: available at http://www.electropedia.org/
136 • ISO Online browsing platform: available at http://www.iso.org/obp
137 3.1
138 cumulative effects
139 permanently remained consequences of environmental conditions imposed on a product after
140 the environmental exposures are removed
141 3.2
142 hysteretic effects
143 gradually attenuated consequence
...
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