An instrument used for measuring the pressure of fluids.
An instrument for external measurement of arterial blood pressure.
A device for measuring pressure in a gas. A manometer often consists of a U-tube containing mercury, water, or other liquid, open at one end and exposed to the gas under pressure at the other end. The pressure can be read directly from a graduated scale.
An instrument for measuring the pressure or tension of liquids or gases.
Device for determining liquid or gaseous pressure. The measurement is expressed in millimeters of either mercury or water.