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How to Measure the Fluctuation of the Rapid Temperature Change Test Chamber The rapid temperature change test chamber is suitable for testing various performances of aerospace products, information electronic instrumentation, materials, electricians, electronic products, and various electronic vitality components under rapid temperature changes. index. Its measurement method for temperature fluctuations, our technology for you to make the above analysis:
Test equipment: standard mercury thermometer or thermocouple, accuracy of not less than ± 0.1 °C;
1, in the rapid temperature change test chamber working space temperature reaches the test temperature 2h, measured once every 2min, 30min total measured 16 temperature values;
2. The test results are collated according to Appendix B of JB/T8282. The difference between the average maximum temperature and the average minimum temperature at this point is the temperature fluctuation;
Note: At any moment, the maximum difference between the temperature of the other points of the working space of the rapid temperature change test chamber and the geometric center point of the working space is the average value of a group of data, which is also called the “uniformityâ€; it is An important technical indicator, which reflects the requirements of environmental testing on the level of control of equipment and reflects the normative nature of environmental testing.
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