Not sure what TPMS the OP has but the Tire Minder is accurate to plus or minus 3 percent. Tire Minder's pressure gauges are accurate to within plus or minus 1 pound. Not sure you can find anything more accurate. I will tell you they are pricey. You will not get one of their gauges for 5 or 10 dollars.
This is the gauge I use
https://www.amazon.com/TireMinder-Pr...950277&sr=8-16
I don't work for them but have used their products with great results for years.
BTW, personal decision for me was not to use pass through sensors even though they are available for my TPMS. When I get my valve stem extensions installed in a couple of weeks I may re-evaluate that decision.
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