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2. Magnetic flow meter - Wikipedia

   en.wikipedia.org/wiki/Magnetic_flow_meter

   A magnetic field is applied to the metering tube, which results in a potential difference proportional to the flow velocity perpendicular to the flux lines. The physical principle at work is electromagnetic induction. The magnetic flow meter requires a conducting fluid, for example, water that contains ions, and an electrical insulating pipe ...

3. Water metering - Wikipedia

   en.wikipedia.org/wiki/Water_metering

   Magnetic flow meters, commonly referred to as "mag meters", are technically a velocity-type water meter, except that they use electromagnetic properties to determine the water flow velocity, rather than the mechanical means used by jet and turbine meters. Mag meters use the physics principle of Faraday's law of induction for measurement and ...

4. List of Siemens products - Wikipedia

   en.wikipedia.org/wiki/List_of_Siemens_products

   Siemens-Duewag U2 LRV – Edmonton Transit System and Calgary Transit – Alberta, Canada; Siemens SD-160 – Edmonton Transit System and Calgary Transit – Alberta, Canada; LHB/Siemens M1/M2/M3 Metro (Pair) – Prague Metro Czech Republic; Siemens-Adtranz LRV; MX3000 Metro car for Oslo (SGP Wien works) – Oslo T-bane, Norway; CAF S4000 Metro ...

5. Flow measurement - Wikipedia

   en.wikipedia.org/wiki/Flow_measurement

   Magnetic flowmeters, often called "mag meter"s or "electromag"s, use a magnetic field applied to the metering tube, which results in a potential difference proportional to the flow velocity perpendicular to the flux lines. The potential difference is sensed by electrodes aligned perpendicular to the flow and the applied magnetic field.

6. List of scientists whose names are used as units - Wikipedia

   en.wikipedia.org/wiki/List_of_scientists_whose...

   Many scientists have been recognized with the assignment of their names as international units by the International Committee for Weights and Measures or as non-SI units. . The International System of Units (abbreviated SI from French: Système international d'unités) is the most widely used system of units of measureme

7. Permeability (electromagnetism) - Wikipedia

   en.wikipedia.org/wiki/Permeability...

   The SI units of μ are volt-seconds per ampere-meter, equivalently henry per meter. Typically μ would be a scalar, but for an anisotropic material, μ could be a second rank tensor. However, inside strong magnetic materials (such as iron, or permanent magnets), there is typically no simple relationship between H and B.