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Voted best buy in the industry!
This ultra quick (4 readings per second), high accuracy (0.5% of applied pressure) digital tire pressure gauge features a large 1/2-inch tall backlit display. User-selectable units display pressure up to 100 psi in 0.1 pound increments, 7 Bar in 0.01 Bar increments, or 7 kilgrams per square centimeter in 0.01 kg/cm2 increments. Factory certified calibration is verified on start-up by a self-check program which alerts you if the unit ever requires recalibration! Peak hold function displays the highest measured pressure until the unit is reset to zero. Auto shut-off and low battery warning help manage battery life. Features a 20 inch long Goodyear hose with a 45° swivel chuck with two thumb-operated bleed valves (open both valves to bleed pressure quickly, or just one for more precise control). Uses one standard 9 volt battery (included).
Note: When comparing accuracy, it is important to read the fine print. Many gauges on the market advertise accuracy to a certain percentage of full scale or capacity. This means that a 100 psi gauge accurate to 0.5% of full scale can be off by half a pound (0.5% of 100) anywhere on the scale. At 14 psi, the gauge could display anywhere from 13.5 to 14.5 psi. Accuracy to 0.5% of the applied pressure means that at 14 psi, the gauge will read within 0.07 of 14 psi. If you adjust pressures in half-pound increments, that's a big difference!