The Basic Operation Of A Rosemount Magnetic Flow Meter

Many different types of flowmeters are on the market and making the choice of the best type of meter for any application is not always an easy task. The first thing to understand is the type of material or media through the system, and then to understand the specifics of the flow.

For applications where the media is a liquid that is conductive, a Rosemount magnetic flow meter is often an ideal option. These meters are incredibly durable and rugged, and they have an exceptionally long duty cycle. The long life cycle, even under harsh operating conditions, is a result of the flowmeter’s design. With no moving parts, the magnetic flow meter or the mag flow meter is a reasonably priced meter that is going to provide reliable, accurate volumetric flow measurements.

The Working Principle

The Rosemount magnetic flow meter, as with all types of mag flow meters, operates on Faraday’s Law. This law states that when there is a medium that is conductive, and it is directed to flow through a magnetic field, a voltage is generated.

The level of the voltage recorded by the sensor is proportional to the velocity of the flow at that point. Additionally, the magnetic field density, as well as the specific conduction length, is also factored into the calculation. The Rosemount lines of these meters even have built-in diagnostics that signal if any maintenance is required on the system, leading to even greater accuracy across the entire duty cycle of the flowmeter.

The Rosemount magnetic flow meter is an excellent choice in flow meters for wastewater management and treatment, as well as for water systems and for oil, gas and petrochemical refining, processing and utility systems. With the design, these meters create virtually no obstruction in the flow, which means they are suitable for all types of media from viscous liquids to water.

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