An instrument for measuring atmospheric pressure.

Related Terms

AMMETER

An instrument for measuring the magnitude of electric current flow.

HYDROMETER

An instrument for determining either the specific gravity of a liquid or the API gravity.

COMPRESSED AIR

Air at any pressure greater than atmospheric pressure.

HUNTING

Fluctuation about a mid-point due to instability, as oscillations of the needle of an instrument about the zero point.

ANEMOMETER

An instrument for measuring the velocity of a fluid.

GAGE

An instrument or device for measuring, indicating or comparing a physical characteristic.

HYPSOMETER

An instrument for measuring height by determining the boiling temperature of a liquid. Its operation depends on the principle that boiling temperature is dependent on pressure, which normally varies with height.

HORIZONTAL FORCE INSTRUMENT

An instrument used to make a comparison between the intensity of th

HEELING ERROR INSTRUMENT

Heeling adjuster. Also called VERTICAL FORCE INSTRUMENT

PRESSURE GAGE

Pressure differential above or below atmospheric pressure.

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