The difference between the drying box and the high temperature box:
1. Different uses: Drying box is mainly used for drying and baking of articles; high temperature box processing has the function of drying box, and it is mainly used for high temperature performance test of electrician, electronics and other non-inflammable and explosive materials.
2. The main technical indicators are different: the temperature uniformity of the drying oven is not more than ±2.5% of the maximum operating temperature; the temperature uniformity of the high and low temperature laboratory is not more than 2 °C (the test temperature is 200 °C). For 450 ° C, the temperature of any two points in the drying oven can differ by 22.5 ° C, and the laboratory can not exceed 9 ° C.
3. The degree of difficulty in manufacturing is different: the production cost of the laboratory is much larger than that of the drying oven. When the air is heated to 150 ° C, the movement of the gas becomes very difficult to control, and even under forced blast conditions, the flow of the gas is still turbulent, so the design of the air passage is very high. Different studio sizes, the air duct should be changed, in order to obtain reasonable data, sometimes it is often subject to repeated experiments, so the manufacturing cost and difficulty of the two are different.
4. Different control systems: Because the dry box is low, the ordinary instrument can be used; the high temperature box must use the instrument with high-precision PID calculation function, and sometimes the instrument can run the program for the test. In use, the PID value of the high temperature section can be obtained by self-tuning, and sometimes the value obtained by the self-tuning needs to be modified by the operator.
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