How to check the temperature recovery time of the thermal shock test chamber
The thermal shock test chamber is used to test the material structure or composite material, and it can be tested in the shortest time by the extremely high temperature and the extremely low temperature in a continuous environment, so that the sample can be detected in the shortest time due to thermal expansion and contraction. Chemical changes or physical damage. We usually use the following steps to check the temperature recovery time of the thermal shock test chamber:
1. Install the temperature measuring sensor according to the specified position, and adjust the temperature controller of the high temperature box and the low temperature box to the required nominal temperature.
2. The temperature and temperature of the box are respectively increased, and the temperature is stabilized for 30 minutes after entering the temperature control state, or the corresponding time is stabilized according to the technical requirements of the product, and the temperature value of the measuring point is recorded.
3. The temperature impact test box will place the inspection load into the high temperature equipment, and select the corresponding holding time according to the technical requirements of the product or the relevant standards.
4. Select the conversion time of the temperature impact test chamber, and then transfer the inspection load from the high temperature equipment to the low temperature equipment, pay attention to observe and record the temperature of the measurement point; then follow the same method to verify the opposite conversion of the load from the low temperature equipment to the high temperature equipment. Pay attention to observe and record the temperature of the measuring point.
5. Record the minimum time required to check the temperature shock test chamber load from high temperature (or low temperature) equipment to low temperature (or high temperature) equipment to the temperature of the equipment measuring point to the temperature state before the test load is released.
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