A rain test chamber (also known as a waterproof testing device or box-type rain testing system) is a core tool for testing the sealability of electronic and electrical product, home appliance, and lighting equipment enclosures. It verifies the functional reliability of products in humid environments by simulating natural rainfall, water seepage, splashing, and other environmental conditions.
The non-uniform distribution of temperature and humidity in a constant temperature and humidity test chamber can affect the final results and lead to errors.
Salt-spray corrosion testing is the primary accelerated method for validating the corrosion resistance of materials and their protective coatings. Whether a chamber can continuously generate neutral (NSS), acetic-acid (AASS) or copper-accelerated acetic-acid (CASS) salt fog for 48 h–1 000 h determines the repeatability and reproducibility of the test.
Salt fog (salt spray) test chambers are standardized instruments designed to determine the corrosion resistance of materials and their protective coatings. The test results serve as a technical basis for reliability design, quality control, and service-life prediction in industries such as electrical and electronic engineering, digital components, plastics, aerospace equipment, and many others.
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