Tyre pressure gauge.

[alex]

How do we know which reads the most accurate?

Buy a third to decide

 

[Corkgsxr]

Check off others in the garage.

 

[Corkgsxr]

I checked all the ones I had for years some old some new. Some digital some not. At 36 psi I had a 10psi range of different readings. So threw them all out and have 2 that get stored properly and read the same