Electromagnetic

Flow Technologies

Electromagnetic

McMillan electromagnetic flow meters use the principles of Faraday’s Law of magnetic induction. 

These compact meters excel in measuring flow rates from as low as 10 mL/min up to 16 L/min across a wide range of mediums. They have the capability to operate independently of liquid properties such as density, viscosity, and temperature. 

The absence of moving parts in this electromagnetic technology offers enhanced long-term reliability, reduced maintenance, and consistent uninterrupted operation. 

Electromagnetic Flow Sensor Technology

For Liquids

First, a magnetic field is generated inside of the flow path. A pair of electrodes are positioned perpendicular to this field (as shown in the illustration). As electrically conductive liquids pass through the magnetic field, its charged particles are separated (as shown with the blue and red flow paths), allowing for a distinct signal to be generated by the electrodes.

This electrically induced signal is proportional to the liquid’s current velocity. An accurate flow rate can be calculated using this signal along with the cross-sectional dimensions of the meter’s flow path. 

Electromagnetic-Based Products for Liquids

The Model 4764 features a PVDF flow body and a Hastelloy® sensor. These compact electromagnetic flow meters excel in measuring conductive liquid flow rates from as low as 10 mL/min up to 16 L/min across a wide range of mediums. The COBALT series flow meter has the capability to operate independently of liquid properties such as density, viscosity, and temperature.
The Model 4704 features a PPS flow body and a stainless steel sensor. These compact electromagnetic flow meters excel in measuring conductive liquid flow rates from as low as 10 mL/min up to 16 L/min across a wide range of mediums. The COBALT series flow meter has the capability to operate independently of liquid properties such as density, viscosity, and temperature.

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