Iec 60068-2 free download

IEC pdf download. The value of a sequence of climatic tests, particularly for the testing of components. Because of the well-established use of sequence In references to clause 7 of IEC It has been decided that sequence should continue to be used In referring to the operations In this composit.

IEC provides standard composite test methods for determining the suitability of a specimen when subjected to environmental conditions consisting of a sequence of temperature, humidity and, where required, low air pressure environmental stresses. The order of application of the stresses and conditions for the change from one step to the next have been chosen to accelerate and amplify degradation mechanisms of the same type as those observed under natural climatic conditions.

IEC may be applied to other electrotechnical products when the degradation mechanisms are the same and the specified requirements for testing can be satisfied. The air in the chamber should therefore be continuously stirred at a rate necessary to maintain the specified conditions of temperature and humidity.

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