The Cockpit Silver Edition Barometer is part of a special aviation series, designed to provide an accurate and reliable measurement of atmospheric pressure. With a designed accuracy of ±2.00 mb and resolution of 0.01 mb, this instrument offers unparalleled precision to the aviator.
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Atmospheric Pressure - this is helpful to know what kind of changes you can expect in the weather. A rising barometer indicates increasing air pressure = usually better weather. A falling barometer indicates decreasing air pressure = usually worse or changing weather.