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AS
AS 60068.2.2-2003

AS 60068.2.2-2003

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by

Environmental testing Tests - Test B: Dry heat (Reconfirmed 2018)

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

09-05-2023

Superseded by

AS 60068.2.2:2023

Language(s)

English

Published date

20-03-2003

Publisher

Standards Australia

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Hardcopy - English
PDF 1 User - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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1 - AS 60068.2.2-2003 ENVIRONMENTAL TESTING - TESTS-TESTS B: DRY HEAT
4 - PREFACE
5 - CONTENTS
7 - INTRODUCTION
7 - 1 General
8 - 2 Application of tests for non heat-dissipating specimens versus tests for heat-dissipating specimens
8 - 3 For non heat-dissipating specimens: Application of tests with sudden change of temperature versus tests with gradual change of temperature
8 - 4 Testing of heat-dissipating specimens with and without forced air circulation
8 - 5 Diagrammatic representations
11 - SECTION ONE – TEST Ba: DRY HEAT FOR NON HEAT-DISSIPATING SPECIMEN WITH SUDDEN CHANGE OF TEMPERATURE
11 - 1 Scope
11 - 2 General description
11 - 3 Description of test apparatus
12 - 4 Severities
12 - 4.1 Temperature
12 - 4.2 Duration
12 - 5 Preconditioning
12 - 6 Initial measurements
13 - 7 Conditioning
13 - 8 Intermediate measurements
14 - 9 Recovery
14 - 10 Final measurements
14 - 11 Information to be given in the relevant specification
15 - SECTION TWO – TEST Bb: DRY HEAT FOR NON HEAT-DISSIPATING SPECIMEN WITH GRADUAL CHANGE OF TEMPERATURE
15 - 12 Scope
15 - 13 General description
15 - 14 Description of test apparatus
16 - 15 Severities
16 - 15.1 Temperature
16 - 15.2 Duration
16 - 16 Preconditioning
16 - 17 Initial measurements
17 - 18 Conditioning
18 - 19 Intermediate measurements
18 - 20 Recovery
18 - 21 Final measurements
18 - 22 Information to be given in the relevant specification
19 - SECTION THREE – TEST Bc: DRY HEAT FOR HEAT-DISSIPATING SPECIMEN WITH SUDDEN CHANGE OF TEMPERATURE
19 - 23 Scope
19 - 24 General description
19 - 25 Description of test apparatus
19 - 25.1 Testing chamber
20 - 25.2 Mounting
20 - 26 Severities
21 - 26.1 Temperature
21 - 26.2 Duration
21 - 27 Preconditioning
21 - 28 Initial measurements
21 - 29 Conditioning
21 - 29.1 Specimen without artificial cooling
21 - 29.1.1 Testing with no forced air circulation
22 - 29.1.2 Testing with forced air circulation
24 - 29.2 Specimen with artificial cooling
24 - 29.2.1 Cooling system “isolated” from the chamber
24 - 29.2.2 Cooling system “not isolated” from the chamber
24 - 30 Intermediate measurements
24 - 31 Recovery
25 - 32 Final measurements
25 - 33 Information to be given in the relevant specification
26 - SECTION FOUR – TEST Bd: DRY HEAT FOR HEAT-DISSIPATING SPECIMEN WITH GRADUAL CHANGE OF TEMPERATURE
26 - 34 Scope
26 - 35 General description
26 - 36 Description of test apparatus
26 - 36.1 Testing chamber
27 - 36.2 Mounting
27 - 37 Severities
28 - 37.1 Temperature
28 - 37.2 Duration
28 - 38 Preconditioning
28 - 39 Initial measurements
28 - 40 Conditioning
28 - 40.1 Specimen without artificial cooling
28 - 40.1.1 Testing with no forced air circulation
29 - 40.1.2 Testing with forced air circulation
32 - 40.2 Specimen with artificial cooling
32 - 40.2.1 Cooling system “isolated” from the chamber
32 - 40.2.2 Cooling system “not isolated” from the chamber
32 - 41 Intermediate measurements
32 - 42 Recovery
33 - 43 Final measurements
33 - 44 Information to be given in the relevant specification
34 - Annex A - Volume of test specimen
35 - Annex B - Nomogram for correction for ambient temperature
36 - Annex C - Diagrammatic representation of test with forced air circulation for Method A of Test Bd
37 - Annex D - Diagrammatic representation of test with forced air circulation for test Bc and for Method B of Test Bd
38 - Annex E - Flow diagrammatic representation of outline of Method A of Test Bd (40.1.2)
39 - Annex F - Flow diagrammatic representation of outline of the method described for Test Bc (29.1.2) and Method B of Test Bd (4

The objective of this Standards is to provide a standard test procedure to determine the suitability of non heat-dissipating components, equipment or other articles for use and/or storage under conditions of high temperature and for which the subjection to a sudden change of temperature has no detrimental effect. This procedure is for specimens which are subjected to an elevated temperature for a time long enough for the specimen to achieve temperature stability.

Committee
EL-026
DocumentType
Standard
ISBN
0 7337 5083 4
Pages
33
ProductNote
Reconfirmed 14/09/2018.
This standard has been reconfirmed in Australia in 2018 and remains current in New Zealand. Reconfirmation Notice 14/09/2018
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes

To provide a standard test procedure to determine the suitability of non heat-dissipating components, equipment or other articles for use and/or storage under conditions of high temperature and for which the subjection to a sudden change of temperature has no detrimental effect. This procedure is for specimens which are subjected to an elevated temperature for a time long enough for the specimen to achieve temperature stability. In this procedure, the test duration is normally measured from the time when the specimen achieves temperature stability. For cases where this does not apply, see clause 1 of the introduction.

Standards Relationship
IEC 60068-2-2:1974 Identical
IEC 60068-2-2:2007 Identical
IEC 60068-2-2:1974/AMD2:1994 Identical
IEC 60068-2-2:1974/AMD1:1993 Identical

First published as AS 60068.2.2-2003.

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