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Atmospheric pressure - Wikipedia


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

Measuring Atmospheric Pressure - Windows to the Universe


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

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


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=Measuring Atmospheric Pressure&v=4K_XJGuRy88
May 3, 2013 ... How an old fashioned mercury barometer measures barometric pressure. (a.k.a. atmospheric pressure).



The atmospheric pressure is the weight exerted by the overhead atmosphere on a unit area of surface. It can be measured with a mercury barometer, consisting ...

Atmospheric Pressure: force exerted by the weight of the air


Atmospheric pressure is defined as the force per unit area exerted against a ... Atmospheric pressure is measured with an instrument called a "barometer", which ...

atmospheric pressure | Britannica.com


Force per unit area exerted by an atmospheric column (that is, the entire body of air above the specified area). Atmospheric pressure can be measured with a ...

Understanding air pressure - USATODAY.com


Air pressure is also called barometric pressure because barometers are used to measure it. ... Scientists generally use hectopascals to measure air pressure.

Chapter 5 Measurement of Atmospheric Pressure


5.2 Principle of Atmospheric Pressure Measurement ··················································· ··································· 1. 5.2.1. Mercury Barometer ...

How we measure atmospheric pressure - Met Office


Nov 9, 2015 ... Atmospheric pressure is measured by a barometer that employs a silicon capacitive pressure sensor having excellent repeatability and long ...

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 »
Difficulty: Easy
Source: www.ehow.com
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Atmospheric Pressure - HyperPhysics


Since static fluid pressure is determined by the fluid density and depth, the depth or height ... The standard atmospheric pressure is measured in various units: ...

measurement of atmospheric pressure - WMO


tendency is the character and amount of atmospheric pressure change for a 3 h ... The basic unit for atmospheric pressure measurements is the pascal (Pa) (or ...

Atmospheric Pressure: Definition & Facts - Live Science


Aug 29, 2013 ... Atmospheric pressure is the force exerted against a surface by the weight ... And the part of our atmosphere that can actually be measured with ...