piezometer tube

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• Piezometer — A piezometer is a small diameter water well used to measure the hydraulic head of groundwater in aquifers. Similarly, it may also be a standpipe, tube, vibrating wire piezometer or manometer used to measure the pressure of a fluid at a specific… …   Wikipedia

• Pitot tube — A Pitot (pronEng|ˈpiːtoʊ) tube is a pressure measurement instrument used to measure fluid flow velocity. The Pitot tube was invented by Italian born French engineer Henri Pitot in the early 1700s, and was modified to its modern form in the mid… …   Wikipedia

• Hydraulic head — is a specific measurement of water pressure or total energy per unit weight above a geodetic datum. It is usually measured as a water surface elevation, expressed in units of length, but represents the energy at the entrance (or bottom) of a… …   Wikipedia

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• measuring device — noun instrument that shows the extent or amount or quantity or degree of something • Syn: ↑measuring instrument, ↑measuring system • Hypernyms: ↑instrument • Hyponyms: ↑accelerometer, ↑actinometer, ↑ …   Useful english dictionary

• measuring instrument — noun instrument that shows the extent or amount or quantity or degree of something • Syn: ↑measuring system, ↑measuring device • Hypernyms: ↑instrument • Hyponyms: ↑accelerometer, ↑actinometer, ↑ …   Useful english dictionary

• measuring system — noun instrument that shows the extent or amount or quantity or degree of something • Syn: ↑measuring instrument, ↑measuring device • Hypernyms: ↑instrument • Hyponyms: ↑accelerometer, ↑actinometer, ↑ …   Useful english dictionary

• Hydrology — Water covers 70% of the Earth s surface. Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability. A… …   Wikipedia

• Tensiometer — A tensiometer is a device used to determine matric water potential Psi m (soil moisture tension) in the vadose zone. The tensiometer consists of a glass or plastic tube with a porous ceramic cup, and is filled with water. The top of the tube has… …   Wikipedia

• Jacob Perkins — (9 July 1766 ndash; 30 July 1849) was an Anglo American inventor, mechanical engineer and physicist.LifeBorn in Waterloo, Iowa, Perkins was apprenticed to a goldsmith. He soon made himself known with a variety of useful mechanical inventions… …   Wikipedia

• Standpipe — may refer to:*Standpipe (drilling rig):, a thick metal tubing, situated vertically along a derrick, that facilitates the flow of drilling fluid and has attached to it and supports one end of a kelly hose. * Standpipe (firefighting), a rigid… …   Wikipedia