using acoustic detecting arrangements

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 > using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter > Measuring the time taken to traverse a fixed distance > using acoustic detecting arrangements

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME