Thread: 12V tyre inflator gauge reading?

Originally Posted by No.3

Sounds like your gauge is poked. .

Gauge with the unit turned off is accurate.

Originally Posted by No.3

Also, fairly normal to have the gauge reading high when inflating as you aren't reading the static pressure on the tyre but the pressure in the inflator which is required to force the air through the system into the tyre.

They should be in equilibrium soon after the valve is opened, but whatever. Guess I'll live with it as can't be bothered explaining to shop staff and getting a replacement which will most likely do the same thing.