One of the linear deformation temperature of the high and low temperature test chamber is the average temperature rise and fall speed in the whole process, and the other is the linear temperature rise and fall speed. The average speed of the whole process refers to the ratio of the difference between the highest temperature and the lowest temperature and the time within the variable temperature range of the high and low temperature test chamber. .
The linear temperature rise and fall speed refers to the rate of temperature change that can be guaranteed in any period of every 5 minutes. In fact, for the rapid temperature change high and low temperature test chamber, the most difficult and most critical period to ensure the linear temperature rise and fall speed is that the vortex flowmeter can reach the test chamber within the last 5 minutes of the temperature drop period. Cooling rate.
Therefore, the high and low temperature test chamber preferably has two parameters: average temperature rising and falling speed and linear temperature rising and falling speed. Generally speaking, the linear temperature rising and falling speed (average speed every 5 minutes) is 1/2 of the average temperature rising and falling speed.
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