operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted

Introduced: July 1974

Last revised: January 2006

Full Title

Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow > Devices for measuring mass flow of a fluid or a fluent solid material > Direct mass flowmeters > operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME

2 direct subcodes

Child Classifications

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G01F 1/82 using a driven wheel as impeller and one or more other wheels or moving elements which are angularly restrained by a resilient member, e.g. spring member, as the measuring device
G01F 1/84 Coriolis or gyroscopic mass flowmeters