Magnetic flow meter3/10/2024 ![]() Ensure the flow media is above the minimum conductivity level – this measure ensures the electromotive force is able to drive the voltage and current into the signal electrodes.Magmeters have a larger range of flow than traditional meters however despite the rugged design and simplicity of use, there are still factors that can be incorporated to improve the performance of your electromagnetic flow meter. The magmeter is preferred due to its non-intrusive design, reliability, low maintenance and accuracy. Magmeters are often used in applications where the media being monitored is harsh i.e sludge, sewage or other similar liquids. SIKA: Variable flow meters determine the volume flow of liquids or gases in pipelines. The insulated liner that is installed in between the meter body and the electrodes is used to prevent the flow signal from being shorted-out as the voltage developed across the electrodes is generally a few millivolts in power. Typically a metal meter body is manufactured from 304 stainless steel that has strong non-magnetic properties allowing the magnetic field to pass through the meter body into the pipe area and therefore provide the flow signal. The liquid being measured then passes through the flow tube perpendicular to the plane of the magnetic field that has been created. An alternating current passes through the coils generating a magnetic field inside the flow tube. The Magmeter contains an electromagnetic coil that produces the magnetic field that usually surrounds the outside of the non-magnetic pipe called the flow tube. In addition to there being no pressure drop, the lack of moving parts also results in there being no wear on the magnetic flow meter throughout its lifetime. As there are no moving components throughout the flow meter there is nothing to cause an obstruction and therefore the pressure drop through the meter is virtually zero. Magmeters are generally used because of their obstruction less design, linear signal output, high levels of accuracy and corrosion resistant wetted components. Magmeter Inductive Flow Measurement Instruments Magmeters Magnetic Inductive Flow Measurement
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