The pound per square inch or, more accurately, pound-force per square inch (symbol: lbf/in 2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units. PSI definition: PSI is a unit of pressure expressed in pounds of force per square inch of area. By contrast, psia measures pressure relative to a vacuum (such as that in space). The above form works if you are measuring differential 1 pascal is equal to 0.00014503773800722 psig, or 1.0E-5 bar. La livre-force par pouce carré (en anglais pound-force per square inch, en abrégé psi ou lbf/in 2), parfois appelé de façon abusive livre par pouce carré (pound per square inch), est une unité de mesure de contrainte et de pression anglo-saxonne.
While other units are used for different applications (such as inches of water column, Pascals, Bar, Torr, inHg, etc. Its official symbol is "bar"; the earlier "b" is now deprecated, but still often seen especially as "mb" rather than the proper "mbar" for millibars. If a pressure gauge is calibrated to read zero in space, then at sea level on Earth it would read 14.7 psi. Les unités de pression : L'atmosphère de symbole atm; cette unité a été définie comme correspondant à la pression d'une hauteur de 760 mm de mercure à 0 °C.1 atm = 101 325 Pa.. L'atmosphère technique de symbole at, ou ATA.1 at = 98 066,5 Pa.. All Rights Reserved. pressure, such as the difference in psi between two points.If you are measuring relative to vacuum and want to resolve
March 12, 2015 PSIG -PSI Gauge. applications and absolute pressure in others, so you need ›› Quick conversion chart of psig to bar.
1 bar= 10^5N / m^2.
1 psig to bar = 0.06895 bar
Use this page to learn how to convert between pounds/square inch and bars. Gauge pressure is measured relative to ambient atmospheric pressure. Unité de pression du système anglo-saxon égale à la pression manométrique exercée sur une surface de un pouce carré par une force de une livre-force normale à cette surface. Soit une livre par pouce carré. At sea level, Earth's atmosphere actually exerts a pressure of 14.7 psi. to know which one fits your calculation.How many psig in 1 bar?
At sea level, Earth's atmosphere actually exerts a pressure of 14.7 psi. A. L'unité de pression psi. This guide makes finding the exact right solution for your application simple and easy! Soit encore avec nos unités: 453,6g sur une surface d'aire 2,54^2 cm^2 (1) D'où: 1 psi = 70,3g / cm^2 (1) ( Valeur approchée ) B. Correspondance entre bar et psi.
Thus a reading of 30 psig on a tire gauge represents an absolute pressure of 44.7 psi.The bar is a measurement unit of pressure, equal to 1,000,000 dynes per square centimetre (baryes), or 100,000 newtons per square metre (pascals). A vessel completely void of any air molecules (at sea level) would be roughly The recommended pressure for the tires on your car is most likely around 32 PSI Topics: Humans do not feel this pressure because internal pressure of liquid in their bodies matches the external pressure. It stands for Pounds per Square Inch. Type in your own numbers in the form to convert the units! Copyright © 2020 Setra Systems.
Note that rounding errors may occur, so always check the results. the form below.Note that psig can measure differential pressure in some The answer is 14.503773800722.Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. Pressure (the symbol: p) is the ratio of force to the area over which that force is distributed, and it is the amount of force acting per unit area. Choosing the right pressure transducer just got easier.
- Dans l'usage parlé et écrit, on n'utilise guère que l'abréviation francisée « psig ». the pressure relative to the atmosphere, then you should use
Psig (pound-force per square inch gauge) is a unit of pressure relative to the surrounding atmosphere. A vessel completely void of any air molecules (at sea level) would be roughly -14.7 PSIG, and ambient air pressure is always measured as 0 PSIG, regardless of whatever current barometric pressure is. ), the terms Gauge pressure is measured relative to ambient atmospheric pressure. 1 PSI = 6894 Pascals = 0.070 atmospheres = 51.715 torr
| The word bar is of Greek origin, báros meaning weight.
By contrast, psia measures pressure relative to a vacuum (such as that in space). It is the pressure resulting from a force of one pound-force applied to an area of one square inch.In SI units, 1 psi is approximately equal to 6895 N/m 2.. Elle signifie: "pound per square inch."