Originally Posted by
noglider
Paging @
FBinNY. He said something to the effect that measurement instruments are generally most accurate in their
middle third of their capacity, which makes sense to me. If you aim to run 60 psi, you want a 120 psi-max gauge, in theory, because you want to read between 40 and 80 most accurately.
Getting old sucks. Memory is toast.
You are correct. And my memory of the significance was wrong too. It's only slight.
From Accu-gage's site...
Tire Gauge Accuracy:
The mechanical accuracy rating is ± 2% from 30% to 60% of scale and ± 3% below 30% and above 60%.