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In a Hall-effect accelerometer, the Hall element is attached to a spring with a seismic mass deflecting because of the forces due to acceleration. The element moves in a nonuniform, linear-gradient-intensity magnetic field. Under these conditions, the generated transverse Hall voltage is proportional to the measured acceleration.
Hall-effect accelerometer. a = acceleration, 1 = seismic mass, 2 = spring,
3 = damper, 4 = Hall element, 5 = source of nonuniform magnetic field, 6 = case.
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