High and low temperature test
ing-equipment' target='_blank'>test chamber is main equipment of temperature humidity environment test.
Mainly in high and low temperature, humidity test, evaluation of products and heat-resistant wet performance, to ensure that all products under all environmental standards can run normally, however, in the high and low temperature test chamber environmental test, if the temperature uniformity is beyond permissible error range, the data from experiment, test data can not be as high and low temperature test the limits of the material or product performance.
What's causing high and low temperature test chamber temperature uniformity is beyond the scope of allowed error?
Here let's go to know: 1, high and low temperature test box test object difference: if placed in the high and low temperature test indoor enough internal overall heat convection test samples, the influence of internal temperature uniformity, namely the temperature uniformity, is bound to suffer the influence of a certain level.
For example, if a glowing products as heat load placed, it will be very large effects on the temperature uniformity.
In addition, high specific heat capacity of the product, such as aluminium, can also lead to too much error.
2, high and low temperature test chamber internal structure and space design problem also is likely to result in uneven temperature test chamber.
This level mainly reflects on the sheet metal design and sheet metal processing plant, such as design of ventilation duct, placed along the heat pipe and the output power of the centrifugal fan.
This will affect the temperature uniformity of small box.
3, because of the high and low temperature test chamber is not the same structure, test indoor wall temperature will be uneven, also, in turn, affects the liquidity of the gas, which results in uneven temperature.
4, because the studio walls before and after, left, right, up, down, six surface heat transfer coefficient is different, some have bore test, inspection, etc.
The shell temperature caused by uneven, and even affect the test chamber radiation source, which affect the temperature uniformity.
5, high and low temperature test chamber door sealing is not strict, such as the gate leakage and sealing strip made no seams, etc.
Thus affecting work the temperature uniformity of interior space.
6, if the volume of the test object is large, or if the test object is placed in the high and low temperature test chamber method of work is not modest part of the lumen or air convection in the cavity would be cut off, and will produce large deviation of temperature uniformity.
The interpretation of the above is the cause of the high and low temperature test chamber temperature difference is too large, the hope can help you, if you want to learn more about information of high and low temperature test chamber, welcome to the online consulting service or call the company service hotline (
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