The temperature rise and fall rate of a high and low temperature test chamber also reflects the performance of the equipment. One is the average temperature rise and fall speed, and the other one is the linear temperature rise and fall. It is a certain temperature and humidity in a certain period of time. The ratio rises and falls. The average speed of the whole process refers to the ratio of the difference between the highest temperature and the lowest temperature to the time in the temperature range of the test chamber, that is, the whole high and low temperature test is generally consistent.
The temperature rise and fall of our general experimental equipment is the average rate of the whole process, which can improve the service life of the equipment. The linear temperature rise and fall speed can guarantee the temperature change rate in any certain period of time. In fact, for the rapid temperature change high and low temperature test chamber, the most difficult and critical part of ensuring the linear temperature rise and fall is the cooling rate that can be achieved by the test chamber during the last 5 min period of the cooling section.
Therefore, the high and low temperature test chamber preferably has two parameters of the average average temperature rise and fall speed and the linear temperature rise and fall speed (average speed per 5 minutes). Generally, the linear temperature rise and fall speed is 1/2 of the average temperature rise and fall speed of the whole process.
Generally, during the equipment test, the heating rate is relatively large, and the cooling rate is relatively slow.
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