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Types for Coriolis Mass Flow Meters

Types for Coriolis Mass Flow Meters


The types of measurement instruments used to measure the flow of fluids and gases are an important part of the larger picture for producers. Their accuracy determines profitability and efficiency. Even a tiniest error can be costly and necessitates constant monitoring of all parts of the measurement system.

The differentiation between the various types of Coriolis flow meters is determined by the tube design, which can be one or two tubes as well as different and unique configurations. Originally, there was a single tube Coriolis flow meter that was perfected over time.

Types of Coriolise Flow Metrs:

U Shaped Flow Meter:

U shape coriolis mass flow meters are the dual tube variety with two tubes shaped like a U with a magnetic and coil assembly. Sensors are placed at the inlet and outlets of the tubes. The Coriolis forces caused by the flow of the material determine the mass flow rate and density.

V Shaped Flow Meter:

A v shape Coriolis mass flow meter of a V-shape is designed to track the mass flow rate of liquids and gases. It has two parallel parts in a 'V' shape, both vibrated in a cross direction from an electromagnetic drive system. The fluid passing through the tube causes a reaction, the Coriolis effect, that alters the frequency of vibration according to the rate of flow. This alteration is measured by sensors which are used to calculate that rate precisely. Such meters have become commonplace for tasks demanding strict accuracy and dependability, seen frequently in industries such as the chemical, food and beverage and pharmaceutical sectors.

Triangle Shaped Flow Meter:

The triangle shaped flow meter is very compact and designed for low pressure applications. The singular tube flow is smaller than U shaped models, which makes it more compact to save on installation space. Most triangle meter produce multivariable measurements.

Micro-Bend Flow Meter:

There is a micro-bend type of Coriolis flow meter that has an extremely small radius, allowing for a more compact design and reduced pressure differential.

Single Tube Flow Meter:

By reducing the cross sectional area in relation to the pipe, the single tube design produces high fluid velocity. Tube distortion is measured in relation to a fixed point or plane. At an anchor point, a high amplitude bending force is used to excite the tube.

Dual Tube Flow Meter:

The Coriolis flow meter utilizes a dual tube design, with the manifold splitting up the flow into both tubes. The oscillating tubes encircle two fixed points to create the famed Coriolis effect. As fluid passes through these curved tubes, its twist accelerates on the inlet side and decelerates on the outlet side, inducing a slight force in both directions proportional to mass flow rate. For added effect, a magnet and pickoff coil are attached at the inlet and outlets of the tubes, producing an oscillating sine wave that reflects back motion.

Continuous Loop Flow Meter:

Continuous loops are single tube configurations where the flow is not divided but passes through multiple tubes instead of being divided. In addition to the normal features, the continuous loop Coriolis flow meter may also have drivers and magnets connected. The Coriolis principle is the same and provides the same kind of data. These meters are suitable for materials that can coat or clog the meter and are sized with larger tubes in order to prevent clogging.

Straight Tube Flow Meter:

A Coriolis flow meter's straight tubes can be either dual or single tubed. The Coriolis forces act on the tubes during fluid flow, creating distorted flexure that is detected by its sensors. The rigidity of straight tubes makes strain gauges a unique requirement of straight tube designs, which are used to detect dimensional changes.


A coriolis type flow meter measures mass by measuring the inertia of liquids or gases flowing through a vibrating tube equipped with sensors at the inlets and outlets.

The sophisticated nature of Coriolis Flow Meters produces accurate and reliable data for the determination of mass flow rate, a necessary measurement for accurate flow movement.

To understand how a Coriolis Flow Meter works, it is necessary to understand the Coriolis principle that was postulated by Gaspard-Gustave de Coriolis with his publication of a paper in 1835 titled On the Equations of Relative Motion of a System of Bodies.

Coriolis Flow Meters are considered to be true mass meters since they directly measure the mass flow rate and not the volumetric flow.

The Coriolis Flow Meter is widely used to measure mass, density, temperature, and viscosity of a wide variety of substances due to its ability to be adjusted to meet flow conditions without being affected by material disturbances.

For more knowledge about Coriolis Mass Flow Meter, welcome to read

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