are tire pressure gauges accurate?
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Many kinds of tire pressure gauges are available today that vary in size, shape and price. ... Even this lower-cost digital gauge has some advantages over analog units. For one, it's easier to read, displays pressure in 0.2-PSI increments, and Longacre claims it's accurate to 0.8 percent.
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But home blood pressure monitors aren't always as accurate as they should be. “Home blood pressure monitors may be inaccurate in 5% to 15% of patients, depending on the threshold for accuracy used,” according to Dr.
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Most passenger cars will recommend 32 psi to 35 psi in the tires when they're cold. The reason you check tire pressure when they're cold is that as tires roll along the road, friction between them and the road generates heat, increasing both the temperature and the air pressure.
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Air pressure in tires is measured in pounds per square inch, or PSI; usually, the recommended pressure ranges between 30 and 35 PSI. To learn what your tire pressure should be, look for your manufacturer's recommendation, which is printed on a label inside your car.
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The recommended tire pressure for most BMW models is 32 PSI (pounds per square inch), but you should always check the specifics for your vehicle.
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A: Air pressure is what you measure with a tire gauge. Atmospheric pressure is what you measure with a mercury barometer. ... Pressure is the amount of force per unit area that a gas exerts on a surface.
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What is Proper Tire Pressure? Proper tire pressure can vary from vehicle to vehicle, but for most makes and models the recommended tire pressure is between 30-35 PSI (pounds per square inch).
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Two of our favorites were the Accutire digital gauge (from www.palmbeachmotoring.net) and the Slime digital tire gauge No. 22019. Both were within 1 psi of the reference gauge and the Accutire gauge even goes up to 150 psi and includes a durable rubber boot and easily replaceable batteries.
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A pencil gauge is simply a cylindrical chamber with an airtight piston inside. The measurement indicator side is always open to atmosphere pressure. The end that you connect to the tire (input side) becomes a closed chamber once it is connected to a tire. It no longer sees atmospheric pressure.
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On newer cars, the recommended tire pressure is most commonly listed on a sticker inside the driver's door. If there's no sticker on the door, you can usually find the specs in the owner's manual. Most passenger cars will recommend 32 psi to 35 psi in the tires when they're cold.
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The chest strap proved the most accurate of the heartrate-measuring devices, with a 99.6% accuracy. The wrist-worn devices, however, proved to be far less accurate. The highest accuracy was 92%, but some devices scored as low as 67%.
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Recommended tire pressure Most typical tires require about 32 to 35 pounds per square inch (PSI) of air, says Rod Tate, owner of highly rated Colony One Auto Center in Stafford, Texas. Large trucks, he adds, require much larger tires with PSIs of 50 to 60.
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Most passenger cars will recommend 32 psi to 35 psi in the tires when they're cold. ... Do not inflate your tires to the pressure listed on the tire itself. That number is the maximum pressure the tire can hold, not the recommended pressure for the vehicle.
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Proper tire pressure lets your bike roll quickly, ride smoothly, and avoid flats. Narrow tires need more air pressure than wide ones: Road tires typically require 80 to 130 psi (pounds per square inch); mountain tires, 25 to 35 psi; and hybrid tires, 40 to 70 psi.
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A TPMS warns the driver when tires are low on air, but this warning isn't issued until a tire's air pressure is 25 percent below the automaker's recommended pounds per square inch. That amount of underinflation is severe.
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Direct TPMS uses a sensor mounted in the wheel to measure air pressure in each tire. ... If a tire's pressure is low, it will roll at a different wheel speed than the other tires. This information is detected by your car's computer system, which triggers the dashboard indicator light.
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The recommended tire pressure for both front and rear tire is 33 psi. The standard wheel size is 18" silver aluminum wheels.