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Alternating heat and humidity test
Project Introduction
Damp heat test includes constant damp heat test and alternating
damp heat test. High and low temperature alternating humidity and
heat test is a necessary test item in the fields of aviation,
automobiles, home appliances, scientific research and other fields.
It is used to test and determine the temperature environment of
electrical engineering, electronics and other products and
materials for high temperature, low temperature, alternating
humidity and heat or constant testing. Changed parameters and
performance.
For example: the temperature difference between day and night,
different humidity at different temperatures and at different
times, products passing through areas with different temperatures
and humidity during transportation, etc. This alternating
temperature and humidity environment will affect the performance
and life of the product and accelerate the aging of the product. If
left in this environment for a long time, the product needs to have
sufficient resistance to alternating heat and humidity.
method standards
GB2423.22 Environmental test Part 2: Test method Test N:
Temperature change
GB2423.34 Environmental testing of electrical and electronic
products Part 2: Test methods Test Z/AD: Temperature/humidity
combined 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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