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Magnetoelectric sensor is sometimes called electric or sensor, it is only suitable for dynamic measurement. Because it has a larger output power, so the circuit is relatively simple with zero and stable performance;

The use of its inverse conversion effect can be a force (moment) generator and electromagnetic exciter, etc.. According to the law of electromagnetic induction, when w coil in a uniform magnetic field, located across the windings of the magnetic flux is phi, within the coil EMF e changes with the magnetic flux rate D Phi / DT is as follows:

According to this principle can be designed with variable flux and constant flux two structure types, a measuring line velocity or the angular velocity of the magnetoelectric sensor. The figure below for general structure variable magnetic rotational angular velocity and vibration velocity measurement.