through a restricted passage, e.g. tube, aperture

Introduced: September 1968

Last revised: January 2006

Full Title

Investigating flow properties of materials, e.g. viscosity or plasticity; Analysing materials by determining flow properties > by measuring flow of the material > through a restricted passage, e.g. tube, aperture

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

2 direct subcodes

Child Classifications

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G01N 11/06 by timing the outflow of a known quantity
G01N 11/08 by measuring pressure required to produce a known flow