The high and low temperature test chamber simulates the temperature change law in the atmospheric environment. There are four requirements for temperature deviation, temperature uniformity, temperature range and temperature fluctuation in temperature, in electrical and electronic products, automobile motorcycles, aerospace, ship weapons. And the research units have significant effects. High and low temperature alternation boxes are usually divided into touch screen/button type programmable test chambers and single-point test chambers, which can be used to test material structure or composite materials, and can be used in a continuous environment of extremely high temperature and extremely low temperature. Tolerance to a degree, the test object has metal, plastic, rubber, electronics and other materials, can be used as a basis for product improvement or reference. The main difference between the high and low temperature test chamber and the high and low temperature alternating box is the control and cooling. The control part of the former is mainly controlled by the digital display instrument, while the latter is controlled by the programmable controller. Generally, it is manually controlled. The commands that can be executed are generally single, and the programmable controller is fully automatic. You can set the parameters to be set and the number of tests in advance, and then work according to the set program. The refrigeration part of the high and low temperature test chamber is relatively simple, as long as the temperature is constant at a certain temperature. The high and low temperature alternating box needs to measure the cooling amount to facilitate the output of different cooling quantities at different temperature points to achieve alternating. Their cabinet structure is basically the same, and the technical parameters are the same. private label face serum ,30 years experience guangzhou cosmetics factory supply ,OEM/ODM service is welcomed . vitamin c serum for face,face serum private label,whitening face serum Athena(Guangzhou) Cosmetics Manufacturer Co., Ltd , https://www.gzathenaskincare.com
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