Old Reliable is reliable. And you trust your sensors to be reliable. Really, what’s the point of a sensor that’s not reliable? If you can’t trust the readings, what’s the point in having the readings? There isn’t one.
And yet, even precision Swiss watches need a tune up. So it’s safe to assume that your pressure sensor may eventually need to be recalibrated (we recommend about once a year). Can you do it? How do you it? Let’s take a look.