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BS EN 60068-3-4:2002

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Environmental testing Supporting documentation and guidance - Damp heat tests

Available format(s)

Hardcopy , PDF

Superseded date

21-09-2023

Language(s)

English

Published date

19-01-2006

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Superseded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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