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- This tire gauge is an ANSI Commerical Grade B gauge (meets ANSI B40.1 Grade B specifications), which is the best quality gauge typically used for tire pressure applications.
- These tire gauges use a fully geared, solid brass precision movement with bronze bourdon tube. Unlike piston-plunger-type gauges, the bourdon tube movement is not affected by changes in temperature, humidity, altitude or air stream contaminants.
- The mechanical accuracy rating is ± 2% from 25% to 75% of scale and ± 3% below 25% and above 75%.
- The 100 psi tire gauge is accurate to ± 2 psi from 25 to 75 psi and is calibrated to ± 1.5 psi at 50 psi.
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