[wyatt]

Originally Posted by jesse.rizzo

I just ordered one of these: Amazon.com: Accutire MS-4021B Standard Digital Tire Gauge: Automotive

My mom has had one for a few years and it is still working. I don't know if it is accurate, but it always reads the same for multiple readings in a row, so if it is off it will be easy to correct for.

The definition of accuracy is that you get the same thing several times in a row, the definition of precision is the average of the readings is correct... you either want something both precise and accurate, or at least accurate so you can correct for it...