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Flow Measurement · Glossary

What is a Coriolis Flow Meter?

mass flow and densityFlow Measurement

A coriolis flow meter measures mass flow directly from the twist of vibrating tubes, and also measures density.

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Coriolis Flow Meter Explained

The meter vibrates its tubes at their natural frequency. Flow through the tubes creates Coriolis forces that twist them, giving a time or phase difference between two sensors that is proportional to mass flow.

The vibration frequency changes with fluid density, so density is measured too. Coriolis meters need no straight run and suit liquids, gases and slurries, but are heavy and costly in large sizes.

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Calculators for Coriolis Flow Meter

CalculatorMass Flow to Volume Flow CalculatorFree online calculator with formula and worked example.CalculatorFlow Meter Accuracy CalculatorFree online calculator with formula and worked example.CalculatorMeter Factor CalculatorFree online calculator with formula and worked example.

Frequently Asked Questions

What is a Coriolis Flow Meter?

A coriolis flow meter measures mass flow directly from the twist of vibrating tubes, and also measures density.

Why does a coriolis meter need zeroing?

Mounting stress and temperature can create a small reading at no flow. A zero at process conditions with the line full and still removes it.

Can coriolis measure gas?

Yes, mass flow of gas, but check the pressure drop and the minimum flow for good accuracy.

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Related Terms

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More Flow Measurement Terms

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All flow measurement terms · Full glossary A to Z

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