This part of IEC 60068 provides a test method for determining the suitability of electrotechnical products, components or equipment for transportation, storage and use under conditions of high humidity. The test is primarily intended to permit the observation of the effect of high humidity at constant temperature without condensation on the specimen over a prescribed period.
This test provides a number of preferred severities of high temperature, high humidity and test duration. The test can be applied to both heat-dissipating and non-heat dissipating specimens.
The test is applicable to small equipment or components as well as large equipment having complex interconnections with test equipment external to the chamber, requiring a set-up time which prevents the use of preheating and the maintenance of specified conditions during the installation period.
BS EN 60068-2-78:2002 Referenced Document
IEC 60068-1 Environmental testing - Part 1: General and guidance*， 2013-10-01 Update
IEC 60068-2-2 Environmental testing - Part 2-2: Tests - Test B: Dry heat*， 2007-07-01 Update
BS EN 60068-2-78:2002 history
2013BS EN 60068-2-78:2013 Environmental testing. Tests. Test Cab: Damp heat, steady state
2002BS EN 60068-2-78:2002 Environmental testing - Test methods - Test Cab - Damp heat, steady state