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2. Category:Pressure gauges - Wikipedia

   en.wikipedia.org/wiki/Category:Pressure_gauges

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3. Deadweight tester - Wikipedia

   en.wikipedia.org/wiki/Deadweight_tester

   A dead weight tester (DWT) is a calibration standard method that uses a piston cylinder on which a load is placed to make an equilibrium with an applied pressure underneath the piston. Deadweight testers are secondary standards which means that the pressure measured by a deadweight tester is defined through other quantities: length, mass and ...

4. Permanent downhole gauge - Wikipedia

   en.wikipedia.org/wiki/Permanent_Downhole_Gauge

   A permanent downhole gauge (PDG) is a pressure and/or temperature gauge permanently installed in an oil or gas well. [1] These gauges are typically installed in the tubing in the well and can measure the tubing pressure, annulus pressure, or both.

5. Pressure measurement - Wikipedia

   en.wikipedia.org/wiki/Pressure_measurement

   Strain-Gauge: Strain gauge based pressure sensors also use a pressure sensitive element where metal strain gauges are glued on or thin-film gauges are applied on by sputtering. This measuring element can either be a diaphragm or for metal foil gauges measuring bodies in can-type can also be used.

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7. Load cell - Wikipedia

   en.wikipedia.org/wiki/Load_cell

   The load cell is completely filled with oil. When the load is applied on the piston, the movement of the piston and the diaphragm results in an increase of oil pressure. This pressure is then transmitted to a hydraulic pressure gauge via a high pressure hose. [4] The gauge's Bourdon tube senses the

8. Gauge - Wikipedia

   en.wikipedia.org/wiki/Gauge

   Pressure gauge or vacuum gauge, see pressure measurement; Gauge pressure, pressure above ambient pressure; Stream gauge, for measuring height and discharge of a river or stream; Air core gauge, a type of rotary actuator often used in automotive instruments; Gauger, one who gauges or measures, typically dutiable commodities, such as wine, landed ...

9. Mercury pressure gauge - Wikipedia

   en.wikipedia.org/wiki/Mercury_pressure_gauge

   The parent of all mercury pressure gauges is the mercury barometer invented by Evangelista Torricelli in 1643. [15] An early engineering application of the mercury pressure gauge was to measure pressure in steam boilers during the age of steam. The first use on steam engines was by James Watt while developing the Watt steam engine between 1763 ...