On the linear temperature change analysis of high and low temperature test equipment

There are two ways to change the temperature change rate of the high temperature and low temperature test chamber. One is the average temperature rise and fall speed, and the other is the linear temperature rise and fall (actually the average speed every 5 minutes). The average speed of the whole process refers to the ratio of the difference between the high temperature of zui and the low temperature of zui in the temperature range of the test box. The technical parameters of the temperature change rate provided by the foreign environmental test equipment manufacturers all refer to the average rate of the whole process. .

The linear temperature rise and fall speed refers to the variable temperature rate that can be guaranteed in any 5 min period. In fact, for the rapid temperature change high and low temperature test chamber, the difficulty of ensuring the linear temperature rise and fall speed is the key part of the Zui, Zui, the vortex flowmeter in the 5min period after the cooling section Zui, the test box can The rate of cooling achieved. Therefore, the test equipment Zui has two parameters: the average average temperature rise and fall speed and the linear temperature rise and fall speed (average speed per 5 minutes). Generally speaking, the linear temperature rise and fall speed (average speed per 5 minutes) is 1/ of the average average temperature rise and fall speed. 2.

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