What is an Automotive Tire Pressure Gauge?
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An automotive tire pressure gauge is an instrument used to measure air pressure. The method for reading an automotive tire pressure gauge is as follows: Check the measurement range: The angle between the centerline of the measurement port and the axis of the gauge body is 90-180 degrees. The scale is a quadrangular prism, with a measurement range of 0.07Wpa to 0.4Wpa. Before reading, gently tap the instrument's casing or surface glass with a finger to eliminate friction in the transmission mechanism. Check the pointer: When observing, align the pointer with the mirrored pointer. The value indicated by the pointer at this time is the displayed air pressure value, accurate to one decimal place. Read the temperature value displayed on the pressure gauge, precise to one decimal place. Align the measurement end slot of the pressure gauge with the tire valve and press firmly.