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Tire Pressure Gauge Accuracy

Discussion in 'Knowledge Base Articles Discussion' started by ukr2, Dec 8, 2011.

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  1. ukr2

    ukr2 Active Member

    Feb 5, 2007
    Likes Received:
    Victor, NY
    Your Vehicle Year:
    2012 Prius Plug-in
    Plug-in Base
    After you get a Tire Pressure Gauge, how do you know it's accurate? And who verifies the gauges at the garages and tire shops are accurate?

    I called the Dept of Weights & Measure and they only check Gas Station Pump Volume accuracy and Air Pressure Pump Timing accuracy. They don't check the accuracy of ANY pressure devices.

    So if your gauge and the shop's gauges are different, which one is correct?
  2. tv4fish

    tv4fish Member

    Oct 21, 2011
    Likes Received:
    Your Vehicle Year:
    2010 Prius

    Good question Ken -- Bottom line is that the "higher quality" gauges are going to be "closer" to true value. I probably have 4-5 of them and the higher quality (= more expensive) ones usually agree with each other, whereas the cheaper ones are not consistent with the others. FWIW - I received a digital readout one as a gift and I really like that one - reads out to 0.5 psi.
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