Torricelli's barometer | U shaped manometer | 1 Torr | 1 bar | 1atm | Measurement of pressure

In this video, we will discuss how to measure atmospheric pressure and gauge pressure with the help of an instrument. In this regard, Torricelli designed the first closed tube barometer filled with mercury to measure the atmospheric pressure. Thereafter we will discuss how to choose a fluid in order to measure pressure depending upon the pressure range. To measure the gauge pressure C. Huygens designed a u shape manometer which generally used in sphygmomanometer, tire pressure gauge, gas pressure gauge etc. We will define 1 torr, 1 atm, 1 bar pressure units. 1 atm pressure, units of atmospheric pressure bar, pressure units, units of atmospheric pressure, units of pressure bar, units of pressure, units of atmospheric pressure physics, units of atmospheric pressure explained

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