The temperature overshoot of the temperature shock test chamber refers to the phenomenon that the temperature of the work-room is gradually lowered and stabilized at the set temperature after the first operation after the temperature of the working chamber exceeds the set temperature by 3 °C.
Corresponding temperature deviation requirements of ±3 °C are consistent or require that the overshoot of the temperature cycling chamber is proportional to the temperature of the test point, such as O-100 °C temperature overshoot should not exceed 2 °C, The overshoot of 100℃ or above shall not exceed 2% of the test point. The control instrument of the equipment is relatively easy to realize the adjustment control precision, and has the function of automatic calculation, programmable and mass storage of historical data and curves.
When the temperature overshoot exceeds the standard range, it is necessary to contact the manufacturer for timely correction, or ask the third-party metrology institute to make corrections. When the temperature overshoot is too large, the accessories and manufacturing techniques of the manufacturer of the thermal cycle impact test box are not appropriate. So, once again, remind users that they should not pursue unlimited low-cost devices when purchasing equipment.
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