manometer
Noun
Meaning
An instrument for measuring the tension or elastic force of gases, steam, etc., constructed usually on the principle of allowing the gas to exert its elastic force in raising a column of mercury in an open tube, or in compressing a portion of air or other gas in a closed tube with mercury or other liquid intervening, or in bending a metallic or other spring so as to set in motion an index; a pressure gauge. See Pressure, and Illust. of Air pump.
Source: Webster's dictionarySynonyms
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Examples
Bourdon Membrane-type manometer The Bourdon pressure gauge uses the principle that a flattened tube tends to straighten or regain its circular form in cross-section when pressurized.
C." or the words "water column" are often printed on gauges and measurements that use water for the manometer.
Hydrostatic Hydrostatic gauges (such as the mercury column manometer) compare pressure to the hydrostatic force per unit area at the base of a column of fluid.
If the wind blows into the mouth of a tube it causes an increase of pressure on one side of the manometer.
Liquid column main The difference in fluid height in a liquid column manometer is proportional to the pressure difference.
The manometer measured depth of convert ±convert at coord22.39 citation for the Challenger Deep is believed to be the most accurate measurement taken yet.