Tolerance against vibrations is indeed not specified, but I would have a few questions about your design.
Since the sensor outputs absolute atmospheric pressure (in Pa), could you please share what is the sensor output at the different stages of your tests (rather than the converted altitude)?
Also I would like to ensure that you are somehow compensating for weather changes when calculating altitude based on absolute pressure? You would typ. need some reference of real-time 'ground pressure' (or local sea-level pressure) if you want to compensate of that.
Finally it is not totally clear to me yet whether the offsets are observed during the stress only, or if the offsets persist then forever?
PS: please keep in mind that Bosch Sensortec offers sensors for the consumer goods industry(Consumer Electronics application), and thus shall not be used in any safety-critical applications.
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