gauge pressure

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gauge pres·sure

pressure measured relative to ambient atmospheric pressure; at sea level, it is 1 atmosphere less than the pressure in the atmosphere. Compare: absolute pressure.
References in periodicals archive ?
The leakage rate at a normalized static gage pressure [DELTA][p*.
Sensortechnics' KMA series measures gage pressures of corrosive and aggressive gases and liquids in ranges from 500 mbar to 100 bar (7 to 1,450 psi).
The pumping equipment must be able to accurately gage pressures between 2-5 psi.