I.S. EN 60068-3-4:2002
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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ENVIRONMENTAL TESTING - PART 3-4: SUPPORTING DOCUMENTATION AND GUIDANCE - DAMP HEAT TESTS
Hardcopy , PDF
16-09-2023
English
01-01-2002
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FOREWORD
INTRODUCTION
1 Scope
2 Definitions
3 Procedures for the production and control of
humidity
3.1 General
3.2 Injection of water (spraying)
3.3 Injection of water vapour (steam)
3.4 Saturation type
3.5 Surface evaporation
3.6 Aqueous solutions
3.7 Dehumidification
3.8 Control of humidity
4 Physical appearance of the effects of humidity
4.1 Condensation
4.2 Adsorption
4.3 Absorption
4.4 Diffusion
5 Acceleration
5.1 General
5.2 Acceleration factor
6 Comparison of steady-state and cyclic tests
6.1 Test C: Damp heat, steady-state
6.2 Test Db: Damp heat, cyclic test
6.3 Sequences of tests and composite tests
7 Influence of test environment on specimens
7.1 Change of physical characteristics
7.2 Change of electrical characteristics
7.3 Corrosion
Annex A (informative) Humidity effects diagram
Bibliography
Specifies the necessary information to assist in preparing relevant specifications, such as standards for components or equipment, in order to select appropriate tests and test severities for specific products and, in some cases, specific types of application.
| DevelopmentNote |
Supersedes I.S. HD 323.2.28. (06/2007) For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
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| DocumentType |
Standard
|
| Pages |
46
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| DIN EN 60068-3-4:2002-11 | Identical |
| UNE-EN 60068-3-4:2002 | Identical |
| IEC 60068-3-4:2001 | Identical |
| EN 60068-3-4:2002 | Identical |
| NF EN 60068-3-4 : 2002 | Identical |
| BS EN 60068-3-4:2002 | Identical |
| IEC 60068-1:2013 | Environmental testing - Part 1: General and guidance |
| IEC 60068-2-39:2015 | Environmental testing - Part 2-39: Tests - Tests and guidance: Combined temperature or temperature and humidity with low air pressure tests |
| IEC 60068-2-66:1994 | Environmental testing - Part 2: Test methods - Test Cx: Damp heat, steady state (unsaturated pressurized vapour) |
| IEC 60068-2-67:1995 | Environmental testing - Part 2-67: Tests - Test Cy: Damp heat, steady state, accelerated test primarily intended for components |
| IEC 60068-2-38:2009 | Environmental testing - Part 2-38: Tests - Test Z/AD: Composite temperature/humidity cyclic test |
| IEC 60068-2-17:1994 | Basic environmental testing procedures - Part 2-17: Tests - Test Q: Sealing |
| IEC 60068-2-10:2005 | Environmental testing - Part 2-10: Tests - Test J and guidance: Mould growth |
| IEC 60068-2-61:1991 | Environmental testing - Part 2-61: Test methods - Test Z/ABDM:Climatic sequence |
| IEC 60068-2-1:2007 | Environmental testing - Part 2-1: Tests - Test A: Cold |
| IEC 60068-2-14:2009 | Environmental testing - Part 2-14: Tests - Test N: Change of temperature |
| IEC 60068-2-30:2005 | Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) |
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