Constant temperature and humidity test chamber sealing material is not strict, air leakage solution

After each long-term use of the constant temperature and humidity test chamber, there will be a problem - the door seal is not strict. The so-called door seal is not strict, mainly because the temperature and humidity test chamber is aged and deformed after a long time, or due to transportation vibration, improper installation and careless opening and closing of the door, the door seal is partially sunken and deformed, resulting in gas spillage. So what are the conditions? How to deal with it? Let's take a look at it with Xiaobian.

1. If the door seal of the constant temperature and humidity test chamber is s-shaped, the inner side of the seal can be pressed with a straight ruler, and then the portion of the bend is slightly heated by the hair dryer, and the heating is stopped when the plastic is slightly softened, and the temperature is constant and constant. After the test box door seal is cooled, and then the ruler is removed, the seal can be restored to its original state. It should be noted that when heating with a hair dryer, the temperature should not be too high, otherwise the door seal plastic will soften, foam and deform. When heating, apply 700w hair dryer, should be controlled within 1min, and about 3cm away from the seal.

2. When the central part of the door seal is caused by the influence of low temperature, the gap can be blown by the blower to be heated. Use the hand to pull out the recessed part of the door rubber pad. After the gap disappears and the sealed state is restored, it can be left for 20 minutes.

3. Gently pick up the door seals that are not tightly closed, take some cotton and carefully collapse the parts that are not tightly sealed, fill in the amount of cotton, and just close the door. Because the cotton itself is elastic, the release can ensure a close fit between the door seal and the box.

After-sequence: If the magnetic door seal of the constant temperature and humidity test chamber is not well sealed, it will directly affect the leakage of the test chamber, resulting in poor cooling effect and increased power consumption. It is also easy to cause the compressor to start repeatedly and burn. Therefore, do not underestimate this problem, it is better to find some professional manufacturers to repair it.

Source: Constant temperature and humidity test chamber sealing material is not strict, what should I do? Editor: Yashilin Instruments

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