This part of IEC 60068 provides a test to determine the ability of components, equipment or other articles to withstand rapid changes of ambient temperature. The exposure times adequate to accomplish this will depend upon the nature of the specimen.
GSO IEC 60068-2-14:2015 history
2015GSO IEC 60068-2-14:2015 Environmental testing - Part 2-14: Tests - Test N: Change of temperature