orifice meter meaning

[Engineering]
An instrument that measures fluid flow by recording differential pressure across a restriction placed in the flow stream and the static or actual pressure acting on the system.

• orifice:    Noun: orifice  ...
• airflow orifice:    [Engineering]An op ...
• aortic orifice:    Noun: aortic orifi ...

Examples

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1. measurement of fluid flow using small bore precision orifice meters
2. measurement of fluid flow using small bore precision orifice meters
3. bellows-type gas or orifice meter
4. general equations and uncertainty guidelines-concentric, square-edged orifice meters
5. natural gas fluids measurement-concentric, square-edged orifice meters, part 2-specification and installation requirements