IEC 60068-2-38:2009

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

IEC 60068-2-38:2009 provides 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. The major changes with regard to the previous edition concern the updating of the figures, changes to some of the wording and editorial corrections made for clarification.