BS 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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 Supporting documentation and guidance - Damp heat tests
Hardcopy , PDF
21-09-2023
English
19-01-2006
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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
Figure A.1
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.
| Committee |
GEL/104
|
| DevelopmentNote |
Also numbered as IEC 60068-3-4 Supersedes 98/261911 DC (04/2002) Supersedes BS 2011-2.2C&D(1990) (02/2004)
|
| DocumentType |
Standard
|
| Pages |
20
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| Standards | Relationship |
| I.S. EN 60068-3-4:2002 | Identical |
| DIN EN 60068-3-4:2002-11 | Identical |
| UNE-EN 60068-3-4:2002 | Identical |
| EN 60068-3-4:2002 | Identical |
| NF EN 60068-3-4 : 2002 | Identical |
| BS 8422:2003 | Force measurement. Strain gauge load cell systems. Calibration method |
| BS 7288:2016 | Specification for residual current devices with or without overcurrent protection for socket-outlets for household and similar uses |
| 03/309174 DC : DRAFT MAY 2003 | BS 8422 - STRAIN GAUGE LOAD CELL SYSTEMS - CALIBRATION METHOD |
| 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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