Barometric pressure difference
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Hello, finally after a few days of monitoring after the intensive cleaning of the sensor, it would seem that the values indicated by the latter have become compliant again.
I checked several times the difference between the watch and the barometer at home which serves as a reference, and this difference oscillates between -2hpa and +1hpa which is quite reasonable in terms of precision.
It was therefore a problem of cleanliness of the sensor.
It is therefore necessary not to hesitate to clean it intensely with soapy water, rub it with a soft bristle brush then rinse with clean water.
Last information, when the watch is immersed or wet during a shower, the altitude no longer varies as it was the case before cleaning. This can therefore be a good indicator of the need for cleaning.
I think the subject can be closed, knowing that the problem is resolved. Thank you all for your comments and contributions to this topic. -
@Chris_Dx I followed your procedure of cleaning with a soft brush after immersion and it worked for me as well. My barometer is accurate for the first time in 6+ months! It also does not drastically change altitude when wet. Thanks for being the one to try it first, I was a little hesitant to clean the sensor with a brush as I was not aware of how fragile the sensor was.