Principle of
Fluxmeters
As magnetic flux cuts through the search coil, it induces a
voltage in the search coil. As per Faradays law of induction, this voltage is
the differential of the magnetic flux that passed through the search coil. By
feeding this voltage into an integrating fluxmeter, the integration process
removes the differential (of the search coil) resulting in the fluxmeter
displaying the total magnetic flux. Fluxmeters require a dynamic component for
the measurement, as it is necessary for magnetic flux to cut the search coil to
produce a voltage.
By calibrating the fluxmeter with the area and number turns
of the search coil it is possible to display values of flux density on a
fluxmeter (Tesla, gauss) as well as magnetic flux (Webers, Vs or Maxwell turns)