PRESSURE MEASUREMENT Low pr ( Below 1 mm of Hg)- manometer and low pr gauges Medium and low ( between 1mm of Hg 1000 atm)- Bourdon gauge and Diaphragm.

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Presentation transcript:

PRESSURE MEASUREMENT Low pr ( Below 1 mm of Hg)- manometer and low pr gauges Medium and low ( between 1mm of Hg 1000 atm)- Bourdon gauge and Diaphragm gauges Low vacuum and ultra high vacuum( 760 torr to 10 raise to -9 torr and beyond)- McLeod, thermal conductivity and ionisation gauge Very high pr (1000 atm and above)- Bourdon gauge,Diaphragm and electrical pr gauges

DIAPHRAGM GAUGE

BELLOWS PR GAUGE

DIFFERENTIAL PR GAUGE

McLEOD GAUGE ( LOW PR OR VACUUM)

MCLEOD GAUGE ( LOW PR OR VACUUM)