ENVIRONMENTAL TESTING - PART 2-38: TESTS - TEST Z/AD: COMPOSITE TEMPERATURE/HUMIDITY CYCLIC TEST
International Electrotechnical Committee
FOREWORD
1 Scope
2 Normative references
3 General
3.1 Description of the test
3.2 Application of the test
4 Description of test chamber
4.1 Chamber for exposure to moisture
4.2 Chamber for exposure to cold
5 Severities
6 Testing procedure
6.1 Preconditioning
6.2 Initial measurements
6.3 Conditioning
6.4 Test cycle
6.4.1 Description of temperature/humidity subcycle
6.4.2 Description of cold subcycle
6.4.3 Description of 24 h cycles with no exposure to cold
6.4.4 Description of final cycle
6.5 Final measurements
6.5.1 At high humidity
6.5.2 Immediately upon removal from the chamber
6.5.3 After final drying
7 Information to be given in the relevant specification
8 Information to be given in the test report
Gives a composite test procedure, primarily intended for component type specimens, to determine, in an accelerated manner, the resistance of specimens to the deteriorative effects of high temperature/humidity and cold conditions.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 104 |
