in what units can pressure be ?
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- Apr 29, 2014. The main units are kilopascals (kPa), atmospheres (atm), millimeters of mercury (mmHg), and sometimes Torr. The kilopascal is a unit for pressure derived from physics. Pressure is defined as a force exerted over an area. The larger the force, the greater the pressure.
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One atmosphere = how much pressure? The standard atmosphere (symbol: atm) is a unit of pressure and is defined as being equal to 101.325 kPa. The. following non-standard units are equivalent: 760 mmHg (torr), 29.92 inHg, 14.696 PSI, 1013.25 millibars.
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- Atmospheric pressure refers to the force per unit area exerted  against a surface by the weight of air above that surface in the  Earth's atmosphere. The standard atmosphere… (symbol: atm) is a unit  of pressure at sea level and is equal to 101325 Pascal. Lonchura.
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pressure The SI unit of pressure is the pascal (Pa), although blood pressure and intraocular pressure remain specified in the non-SI unit millimetres of mercury (mmHg). See oxygen permeability. blood pressure See sphygmomanometer.
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pressure Pressure is an expression of force exerted on a surface per unit area. The standard unit of pressure is the pascal (Pa), equivalent to one newton per meter squared (N/m 2 or N · m -2).Alternatively, pressure can be measured in dyne s per centimeter squared (dyn/cm 2 or dyn · cm -2).ressure is an expression of force exerted on a surface per unit area. The standard unit of pressure is the pascal (Pa), equivalent to one newton per meter squared (N/m 2 or N · m -2).
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- Pressure unit in SI system is pascal (derived SI unit not base unit). It is equivalent to one newton per square meter. Other common units are kilopascal (kpa), megapascal (mpa), psi (pound per square inch), torr (mmHg), atm (atmospheric pressure) and bar. Pressure is the amount of force applied per unit area. The calculation formula is: Pressure = Force / Area.
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Compressed Gases - Hazards In each case, the pressure of the gas in the cylinder is commonly given in units of kilopascals (kPa) or pounds per square inch gauge (psig). Gauge pressure = Total gas pressure inside cylinder-atmospheric pressure. Atmospheric pressure is normally about 101.4 kPa (14.7 psi).
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Atmosphere it is determined by a planet s gravitational force in combination with the total mass of a column of gas above a location on earth units of air pressure are based on the internationally recognized standard atmosphere atm which is defined as 101 325 kpa 760 torr or 14 696 psi it is measured with a barometer
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Bar (unit) The bar is a metric (but not SI) unit of pressure exactly equal to 7005100000000000000♠100000 Pa.It is about equal to the atmospheric pressure on Earth at sea level.hese are not SI or cgs units, but they are accepted by the BIPM for use with the SI. The bar is legally recognized in countries of the European Union. The bar unit is considered deprecated by some entities.
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- Quick Answer. The standard unit for electrical pressure is the volt. In an electrical circuit, 1 volt of electrical pressure induces the flow of electrons to produce 1 ampere of electrical current against a resistance that is equal to 1 ohm. Continue Reading.
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Pressure The SI unit for pressure is the pascal (Pa), equal to one newton per square metre (N/m 2 or kg·m −1 ·s −2). This name for the unit was added in 1971; before that, pressure in SI was expressed simply in newtons per square metre. Other units of pressure, such as pounds per square inch and bar, are also in common use.
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Pressure Units - Online Converter The calculator below can be used to convert between some common pressure units. Value (use period as decimal point). Pa (N/m2) bar atmosphere mm Hg mm H2O m H2O kg/cm2 pound square feet (psf) pound square inches (psi) inches Hg inches H2O ft H2O.
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An Explanation of Pressure and the Laws  of Boyle, Charles, Dalton, and Henry 3 a unit of gas pressure that is usually defined as being equivalent to the average pressure of the earth's atmosphere at sea level, or about 14.7 pounds per square inch or 760 mm Hg. atmospheric, adj.
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One atmosphere = how much pressure? a conventional unit of pressure, the normal pressure of the air at sea level, about 14.7 pounds per square inch (101.3 kilopascals), equal to the pressure exerted by a column of mercury 29.92 inches (760 mm) high.
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How Do You Use Barometric Pressure Conversion to Get Measurements in Millibars? What units are used to measure air pressure? Air pressure, the force exerted on a mass by the weight of air particles, is measured in either inches of mercury or in millibars, represented by inHg and mb, respectively.
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How Many? A Dictionary of Units of Measurement Â© Russ  Rowlett and the University of North Carolina at Chapel  HillTable of  ContentsAbout the DictionaryUsing the DictionaryP Pascal (Pa) is the metric SI unit of pressure and the standard pressure unit in the MKS metric system, equal to one newton. Sounds impressive, but in traditional English. terms a pascal is only 0.000 145 pounds per square inch (0.020 885 lbf/ft2 or 0.007 50 mmHg).
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- Pressure always acts inward normal to any surface (even imaginary surfaces as in a control volume). Pressure is a normal stress, and hence has dimensions of force per unit area, or {ML-1T-2}. In the English system of units, pressure is expressed as psi or lbf/in2.
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Pressure The CGS unit of pressure is the barye (Ba), equal to 1 dyn·cm −2 or 0.1 Pa. Pressure is sometimes expressed in grams-force or kilograms-force per square centimetre (g/cm 2 or kg/cm 2) and the like without properly identifying the force units. But using the names kilogram, gram, kilogram-force, or gram-force (or their symbols) as units of force is expressly forbidden in SI.
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Pressure Unit Conversions Select the Pressure unit to convert to in the output units list. Most often used Pressure Unit measurement conversion. bars to kilopascals (b to kPa) converter. 1 bar (b) is equal 100 kilopascals (kPa)
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Stress and Strain: Basic Terms and Concepts In traditional geology the unit of pressure is the bar, which is about equal to atmospheric pressure. It is also about equal to the pressure under 10 meters of water. For pressures deep in the earth we use the kilobar, equal to 1000 bars.
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Atmosphere (unit) Scuba divers and others use the word atmosphere and atm in relation to pressures that are relative to mean atmospheric pressure at sea level (1.013 bar). For example, a partial pressure of oxygen is calibrated typically using air at sea level, so is expressed in units of atm.The old European unit technical atmosphere (at) is equal to 1 kilogram-force per square centimetre (kgf/cm 2), 7004980665000000000♠98066.5 Pa.or example, a partial pressure of oxygen is calibrated typically using air at sea level, so is expressed in units of atm. The old European unit technical atmosphere (at) is equal to 1 kilogram-force per square centimetre (kgf/cm 2), 7004980665000000000♠98066.5 Pa.
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Pressure measurement Using atmospheric pressure as reference is usually signified by a g for gauge after the pressure unit, e.g. 70 psig, which means that the pressure measured is the total pressure minus atmospheric pressure. There are two types of gauge reference pressure: vented gauge (vg) and sealed gauge (sg).
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Atmospheric pressure The standard atmosphere (symbol: atm) is a unit of pressure equal to 101325 Pa or 1013.25 hectopascals or millibars. Equivalent to 760 mmHg (torr), 29.92 inHg, 14.696 psi. (The pascal is a newton per square meter or in terms of SI base units, kilogram per meter per second-squared.).he mean sea level pressure (MSLP) is the atmospheric pressure at sea level or (when measured at a given elevation on land) the station pressure adjusted to sea level assuming that the temperature falls at a lapse rate of 6.5 K per km in the fictive layer of air between the station and sea level.
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- The English units of air pressure are inches of mercury. The metric version is millibars. The average sea level pressure is 29.92 inches of mercury and 1013 millibars. Using these average values it can be determined whether the pressure is above, significantly above, below or significantly below the average value.
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Pressure: Definition, Units, and Conversions Let's go back to the unit that we use to represent pressure: psi. This is one of many different units that can be used to measure pressure, and it's probably the one that you use most on a daily basis in the United States. But, on Ideal Island, different units are used, so it's important to know what they are and how to convert among them.
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- The units of pressure can be atm, kPa, or mm Hg. With the 20 mL syringe disconnected from the pressure sensor, move the piston of the syringe until the front edge of the inside black ring (indicated by the arrow in Figure 1) is positioned at the 10.0 mL mark. Connect the syringe to the pressure sensor.