Hello !
i wanna know if for example a electromagnetic flow meter can measure flow in the two direction !
means we mount on pipe where the flow goes and back < >
The magnetic flowmeter can also be used for bidirectional flow measurement. It has the advantages of no pressure drop, linear output, short inlet/outlet pipe runs (five diameters upstream of the electrode plane and two diameters downstream), and good turndown.
Magnetic flowmeters are relatively expensive and are mainly limited to conductive fluid applications, such as acids, bases and slurries, as well as water. A pre-requisite for this type of flowmeter is that the fluid is electrically conductive with an absolute minimum conductivity of 2-5 µSiemens.
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https://www.controlglobal.com/articles/2012/kalyani-bidirectional-flow-meaurement/
Yes, an electromagnetic flow meter, also known as a magmeter, is capable of measuring flow in both directions. These devices are designed to measure the flow of conductive liquids or slurries, by leveraging Faraday’s law of electromagnetic induction.
The device creates a magnetic field, and when a conductive liquid flows through this field, it generates a voltage proportional to the flow speed perpendicular to the flux lines. The electrodes located on the sides of the meter then capture this voltage.
Electromagnetic flow meter
A key advantage of electromagnetic flow meters is their ability to measure flow in both directions. The direction of flow can be determined based on the polarity of the generated voltage. If the flow changes direction, the generated voltage will also change its sign, indicating a reversal of flow.
However, the flow meter’s output needs to be properly calibrated and the control system appropriately programmed to interpret bidirectional flow correctly. Additionally, the installation of the flow meter should be done according to the manufacturer’s instructions to ensure accurate measurements.
It’s important to note that while electromagnetic flow meters can measure flow in both directions, not all flow meters are capable of this. It depends on the type and model of the flow meter. Always consult the device’s specification sheet or the manufacturer for accurate information.