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Pressure measurement

Pressure measurement is the measurement of an applied force per unit area by a fluid (liquid or gas) on a surface. Pressure is typically expressed in units of pascals in the International System of Units (SI). Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure and display pressure mechanically are…

History, Standards, Applications & Measurement

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Units

SINewtonSquare metrePsiNIST
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Instruments

GasesLiquidsTransducerFunctionPiezoelectric
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Applications

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Absolute, gauge and differential pressures — zero reference

Absolute scaleVacuum pumpsAviationOil filtersAir filters
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Overview

Absolute, gauge and differential pressures — zero reference

History

Units

Static and dynamic pressure

Instruments

Electronic pressure instruments

Dynamic transients

Calibration and standards

Applications

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Pressure measurement

Nodes212
Edges211
Triples56
Avg. degree1.99
Density0.009434
Components1

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Pressure measurement

Top relations

related to Calibration and standards · 14
Pressure measurement → ASME, ASME Performance Test Codes, B40, Diaphragm Seals, Guidance, Information, Mechanical Engineers, Pressure Digital Indicating Gauges, Pressure Indicated Dial Type, Pressure Limiter Valves, PTC, Snubbers, The, The American Society
related to Absolute, gauge and differential pressures — zero reference · 9
Pressure measurement → Absolute, Differential, DP, Everyday, Gauge, In, Most, Technically, When
related to Static and dynamic pressure · 9
Pressure measurement → An, Dynamic, Flow, Pitot-static, Since, Static, The, This, While
related to US ASME Standards · 5
Pressure measurement → B40, Gauge, Pressure, PTC, The Performance
is a · 1
Pressure measurement → measurement of an applied force per unit area by a fluid
related to Instruments · 1
Pressure measurement → Pressure

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Important terminology

pressure gauge gauges vacuum used measurement measure fluid gas measured atmospheric tube pressures sensors sensor mercury reference water diaphragm force

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Pressure measurementis ameasurement of an applied force per unit area by a fluid0.90text
monitoring vacuum pumpsinstance ofhigh-performance industrial applications0.80text
liquid pressure measurementinstance ofhigh-performance industrial applications0.80text
industrial packaginginstance ofhigh-performance industrial applications0.80text
industrial process controlinstance ofhigh-performance industrial applications0.80text
aviation inspection.Gauge pressure is zero-referenced against ambient air pressureinstance ofhigh-performance industrial applications0.80text
so it is equal to absolute pressure minus atmospheric pressureinstance ofhigh-performance industrial applications0.80text
mmHg/cm2 or grams-force/cm2instance ofequal to 1 sthene per square metre.Many other hybrid units are used0.80text
quartz.Some pressure sensors are pressure switchesinstance ofThese sensors are commonly manufactured out of piezoelectric materials0.80text
which turn on or off at a particular pressureinstance ofThese sensors are commonly manufactured out of piezoelectric materials0.80text
quartz to measure the strain upon the sensing mechanism due to pressureinstance ofUses the piezoelectric effect in certain materials0.80text
inches water gaugeinstance ofthe latter giving rise to units of measurement0.80text

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