When using the thermal shock test box, it is necessary to pay attention to check the power supply before use, and need to have a good ground wire to ensure the safety of the product equipment. For the hot and cold impact test chamber equipment, during the test, some flammable items and relatively volatile items should not be put into it for testing.
Do not modify the components inside the equipment of the thermal shock test chamber to prevent some failures and affect the service life of the equipment. Haida Instruments reminds you to pay special attention to the cleanliness of the hot and cold shock test chamber and the necessary maintenance and regular operation.
During inspection and maintenance, it is necessary to cut off the power to prevent electric shock. Thermal shock test chamber
The selection basis of environmental testing equipment is actually very simple. The main selection basis is the test specifications and test standards of engineering products and some principles, so is the same for cold and hot shock box equipment. The five principles that need to be followed mainly include repeatability, reproducibility, controllability, exclusivity, safety and reliability.
The repeatability is: a cold and hot shock box environmental test equipment may be used for multiple tests of the same type of product, and a tested engineering product may also be tested in different environmental test equipment, being cold and hot shock box The stress level of the test product (such as thermal stress, vibration stress, electrical stress, etc.) is consistent with the requirements of the same test specification.
The controllability is that the environmental conditions provided by any environmental hot and cold shock box test equipment must be observable and controllable, and various test specifications generally require that the accuracy of the parameter test should not be less than the error allowed by the test conditions One third.
Exclusiveness: Every time an environmental or reliability test is carried out, the thermal shock box has strict regulations on the types, values ​​and tolerances of environmental factors, and excludes the environmental factors that are not required for the test from penetrating into it, so that in the test or Provide accurate basis when judging and analyzing product failure and failure modes after the test.
Safety and reliability of test equipment: all kinds of protection, warning measures and safety interlocking devices of cold and hot shock box test equipment should be perfect and reliable to ensure the safety and reliability of test personnel, tested products and cold and hot shock box test equipment themselves. Climate test chamber. Environmental test equipment must have the characteristics of safe operation, convenient operation, reliable use, and long working life.
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