Cold and thermal shock test chamber on the market is divided into two categories, a two-compartment type, including high-temperature region and low-temperature region, the test object were in two different temperatures in the area of the test, hot and cold alternating test; the other is a three-compartment type, in addition to high-temperature and low-temperature areas, there is also a test area, and the two-compartment different is that the three-compartment does not need to be directly in the test area for the test, only need to be through the air compression method

Rain test chamber is a test instrument to test whether the waterproof is good, the figure of this equipment can be said to be everywhere, applied in various places. Small to our usual use of cell phones, flashlights and other lighting apparatus; large to the aerospace industry, lighting systems, signaling device testing and so on. Waterproof has always been a lot of industry can not get around a topic, a lot of equipment once the rain and other wet, its service life will be greatly reduced, this equipment in the waterproof performance test link plays a vital role.