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Frequently Asked Questions

A Coriolis mass flow meter measures the mass flow rate of a fluid directly by detecting changes in vibration caused by the fluid moving through vibrating tubes. The Coriolis effect causes the tubes to twist, and the amount of twist correlates with the mass flow.

Coriolis meters can measure liquids, gases, and slurries, including viscous fluids, cryogenic liquids, corrosive chemicals, fuels, and food-grade products like syrup or milk.

Yes. Coriolis meters are among the most accurate flow meters available, typically offering mass flow accuracy of ±0.1% or better, and density measurement accuracy of ±0.0005 g/cm³.

Yes. Besides mass flow, Coriolis meters can also measure the fluid density and temperature (with temperature sensors) at the same time, providing valuable multi-variable data for process control.

No. One of the advantages of Coriolis meters is that they do not require long straight pipe runs upstream or downstream, unlike many other flow technologies. They can be installed in tight spaces without sacrificing accuracy.

  • Higher cost compared to other flow meter types.

  • Pressure drop can be significant for high-viscosity fluids.

  • Installation may require support for the meter’s weight, especially in larger sizes.

  • Vibration sensitivity: External vibrations can affect readings if not properly isolated.

Coriolis meters require minimal maintenance because they have no moving parts. Maintenance mainly involves:

  • Periodic calibration checks.

  • Ensuring the sensor tubes stay clean if fluids can cause buildup.

  • Firmware updates or diagnostic checks via the transmitter.

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