gauge pressure

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gauge pressure

The pressure, of a gas or liquid, minus the value of atmospheric pressure.

gauge pressure

The difference between atmospheric pressure and absolute pressure, as read from a differential manometer.
References in periodicals archive ?
They are used to gauge pressures and temperatures for atmospheric condition monitoring.
Pressure sensors and transducers for liquid and gas systems measure positive, negative, and absolute gauge pressures.
Fluke Calibration's PG9607 piston gauge delivers high performance for measurement of absolute and gauge pressures up to 500 kPa (72.