Temperature uniformity is the core parameter of the temperature test chamber and refers to the temperature difference between any two points. For high and low temperature test chambers, it is a big evaluation factor to test whether the equipment meets the requirements. The standard stipulates that the temperature uniformity of the high and low temperature test chambers is plus or minus two degrees Celsius. To ensure that the uniformity is within the standard range, what conditions do the equipment need?
Insulation Materials. In order to ensure the uniformity in the high and low temperature test box, the heat preservation material is the key point. If the insulation material is not handled well, it will directly affect the uniformity deviation in the box.
Wind circulation system. In order to ensure the uniformity in the high and low temperature test box, the test box adopts the air circulation, and there is a air duct on the back of the equipment. The heating air of the heating tube is evenly fed into the test chamber through the blades to achieve uniform temperature.
The seal between the cabinet and the door. If the door leaks in the high and low temperature test chamber, the temperature in the test chamber is greatly affected. Therefore, the seal of the test box has strict requirements, and it must have the characteristics of high temperature resistance and low temperature.
Advances in technology have made customers increasingly stricter on high and low temperature test chambers. Many users need to do third-party testing before leaving the factory. In addition to temperature uniformity, temperature fluctuations and temperature rise and fall rates are also the main points of detection.
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