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is absolute pressure minus atmospheric pressure as measured by a pressure gage, so that gage pressures above atmospheric are positive and gauge pressures below atmospheric are negative. The gage pressure of the atmosphere is O Ib/in gage or O psig.
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a measure of pressure relative to prevailing atmospheric pressure
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Pressure that is measured relative to ambient atmospheric pressure.
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The pressure above (or below) atmospheric is a gage pressure. Represents positive difference between measured pressure and existing atmospheric pressure.
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The pressure above (or below) atmospheric. Represents positive difference between measured pressure and existing atmospheric pressure. Can be converted to absolute by adding actual atmospheric pressure value.
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the pressure relative to atmospheric pressure. Gage pressure = absolute pressure minus one atmosphere.
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Pressure measured with respect to atmospheric pressure.
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The pressure measured relative to the local atmospheric pressure. Gage pressure may be negative. A negative gage pressure is known as suction or vacuum.
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