AS 60068.2.51-2003

1 - AS 60068.2.51-2003 ENVIRONMENTAL TESTING -TESTS-TEST Z/BFc: COMBINED DRY HEAT/VIBRATION (SINUSODIAL) TESTS FOR BOTH...
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Object
7 - 2 General description
7 - 3 Description of test apparatus
7 - 3.1 Test chamber conditions
7 - 3.1.1 Testing of non-heat-dissipating specimens
7 - 3.1.2 Testing of heat-dissipating specimens
8 - 3.2 Requirements for the vibration system
8 - 3.2.1 Mounting
8 - 3.2.2 Vibration system
8 - 4 Severities
8 - 5 Selection of temperature monitoring point and determination of monitoring temperature (applies to heat-dissipating specime
8 - 5.1 Specimens without artificial cooling
8 - 5.1.1 Using a chamber capable of simulating the effects of “free air conditions” at high temperatures
9 - 5.1.2 Using a chamber or room capable of simulating the effects of “free air conditions” only at laboratory temperature
9 - 5.2 Specimen with artificial cooling
9 - 5.2.1 For general precautions, terminology etc., see the corresponding clauses in Test Bd.
9 - 5.2.2 Cooling system "isolated" from the chamber
9 - 5.2.3 Cooling system "not isolated" from the chamber
9 - 6 Preconditioning
9 - 7 Initial measurements
10 - 8 Conditioning
10 - 8.1 Application of vibration at laboratory temperature
10 - 8.2 Application of high temperature without vibration
10 - 8.2.1 For the testing of non-heat-dissipating specimens
10 - 8.2.2 For the testing of heat-dissipating specimens
10 - 8.3 Application of vibration and temperature
11 - 9 Intermediate measurements
11 - 10 Recovery
11 - 11 Final measurements
11 - 12 Criteria of failure
12 - 13 Information required in the relevant specification

The objective of this Standard is to provide the electrotechnology industry with a complete set of environmental test procedures published as a series under AS 60068 Environmental testing. This Standard is Part 2.51 of that series.

First published as AS 60068.2.51-2003.