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PCE
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IPC Subgroup
G01F 1/36

the pressure or differential pressure being created by the use of flow constriction

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 > by using mechanical effects > by measuring pressure or differential pressure > the pressure or differential pressure being created by the use of flow constriction

Classification Context

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

3 direct subcodes

Child Classifications

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  • G01F 1/37 the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes
  • G01F 1/38 the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule