Some interesting info relative to the subject ...
It *is* a 3 bar sensor, however max reading should only be around 269 kpa. I have seen that sensor max out in some of my logs.
From reading some tech documents, it looks like it was never intended for these things to see more than 220kpa on a regular basis. There things that suggest max being at 240kpa, but nothing saying it's limited.
For what it's worth, 240 kpa is 34.8 psi, MINUS the barometer (assumed to be between 60 and 120) reading. I'm pretty sure the barometer reading will vary by altitude and weather.