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FMM series magmeters reliably detect the flow rate of conductive media such as industrial water, drinking water, water-based coolants, water glycol mixtures, and salt water at up to 160 GPM. Units feature numeric displays with selectable engineering units, no moving parts, and 2 selectable outputs for switch, pulse, frequency or analog signals.
Magnetic-inductive flow meters (Magmeters) are one of the most widely used technologies for liquid flow monitoring in industrial
process markets such as wastewater, mining and minerals, utilities, food and beverage, and pharmaceuticals.
To ensure reliable and accurate operation, some important application requirements should be considered.
Meeting the minimum conductivity of the liquid and properly installing with a full pipe are required in order to
avoid significant error or the meter not functioning at all.
Additionally, the presences of air bubbles should be avoided as they will affect the accuracy of the meter's measurements.
Installation location in the piping is important because disturbances in the flow caused by bends in the pipe, valves,
reductions, etc. can cause inaccuracies.
Magnetic-Inductive Flow Meter Measuring Principle
Magmeters operate by using the magnetic-inductive measuring principle in which a magnetic field is
generated in the specified measuring pipe by current-carrying coils.
When the media flows through the pipe, the ions of the conductive media are diverted perpendicularly to the magnetic field with
the positive and negative charge carriers flowing in opposite directions.
The two electrodes that are in contact with the medium then measure the voltage that is induced. The measured signal voltage is
proportional to the average flow velocity.
By knowing the inside pipe diameter of the unit, the volumetric flow rate is determined.
Magmeters are suitable for use with a variety of conductive liquids in industrial process applications such as:
industrial water, drinking water, water-based coolants, water glycol mixtures, sea water (salt).