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How Is Atmospheric Pressure Measured?
Atmospheric pressure is determined via the use of a barometer. Barometers are either mercury-filled or aneroid. The mercury variety consists of a tube, the top of which is closed and the bottom open. The tube is generally labeled with units of... More »
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Atmospheric pressure - Wikipedia

en.wikipedia.org/wiki/Atmospheric_pressure

Atmospheric pressure, sometimes also called barometric pressure, is the pressure exerted by the weight of air in the ...

How is air pressure measured? | Reference.com

www.reference.com/science/air-pressure-measured-8f19492e6ef943dd

Air pressure is measured by using a barometer, the value of which is given in varying units, including inches of mercury (in Hg) or millimeters of mercury (mm ...

Measuring Atmospheric Pressure - Windows to the Universe

www.windows2universe.org/earth/Atmosphere/measuring_press.html

Jun 11, 2010 ... This image shows three common ways that atmospheric pressure is measured - using a mercurial barometer, an aneroid barometer or a ...

How Do We Measure Air Pressure - Tree House Weather Kids ...

extension.illinois.edu/treehouse/airpressure.cfm?Slide=3

An instrument that measures air pressure is called a barometer. One of the first barometers was developed in the 1600s. The original instrument had mercury in  ...

Atmospheric Pressure - HyperPhysics

hyperphysics.phy-astr.gsu.edu/hbase/pman.html

This is under static conditions with no air flow through the system so that all parts of it are at ... The standard atmospheric pressure is measured in various units: ...

What instrument is used to measure atmospheric pressure? | How ...

howthingsfly.si.edu/ask-an-explainer/what-instrument-used-measure-atmospheric-pressure

Sep 19, 2011 ... A: A barometer is a scientific instrument used in meteorology to measure atmospheric pressure. A simple barometer consists of a long glass ...

www.ask.com/youtube?q=How Is Atmospheric Pressure Measured&v=4K_XJGuRy88
May 3, 2013 ... How an old fashioned mercury barometer measures barometric pressure. (a.k.a. atmospheric pressure).

atmospheric pressure | Britannica.com

www.britannica.com/science/atmospheric-pressure

Aug 7, 2014 ... Atmospheric pressure can be measured with a mercury barometer (hence the commonly used synonym barometric pressure), which indicates ...

Understanding air pressure - USATODAY.com

usatoday30.usatoday.com/weather/wbarocx.htm

Since the pressure depends upon the amount of air above the point where you're measuring the pressure, the pressure decreases as you go higher.