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Certification for High and Low Temperature Alternating Damp Heat Test

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Shenzhen LCS Compliance Testing Laboratory Ltd.

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Certification for High and Low Temperature Alternating Damp Heat Test

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Alternating damp heat test
Project introduction
Damp heat test includes constant damp heat test and alternating damp heat test. High and low temperature alternating damp heat test is a necessary test project in the fields of aviation, automobile, home appliances, scientific research, etc. It is used to test and determine the parameters and performance of electrical, electronic and other products and materials after the temperature environment changes of high temperature, low temperature, alternating damp heat or constant test.

For example: the temperature difference between day and night, different humidity at different temperatures and different times, and the products passing through areas with different temperatures and humidity during transportation. This alternating temperature and humidity environment will affect the performance and life of the product and accelerate the aging of the product. If it is in this environment for a long time, the product needs to have sufficient resistance to alternating damp heat.

Method standard
GB2423. 22 Environmental test Part 2: Test method Test N: Temperature change
GB2423.34 Environmental test for electrical and electronic products Part 2: Test method Test Z/AD: Temperature/humidity combination cycle test
GJBl50.9 Environmental test method for military equipment Damp heat test

Test parameters
Temperature, relative humidity, conversion time, number of alternations

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