Measuring the time taken to traverse a fixed distance

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

Classification Context

Section:

PHYSICS

Class:

MEASURING; TESTING

Subclass:

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

Child Classifications

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• G01F 1/7082 using acoustic detecting arrangements
• G01F 1/7084 using thermal detecting arrangements
• G01F 1/7086 using optical detecting arrangements
• G01F 1/7088 using electrically charged particles as tracers
• G01F 1/712 using auto-correlation or cross-correlation detection means
• G01F 1/716 using electron paramagnetic resonance [EPR] or nuclear magnetic resonance [NMR]