| 摘要 |
The invention relates to a magnetic field sensor, particularly for measuring the rotational speed of a rotating gear component, comprising a Hall probe ( 3 ), at least one permanent magnet ( 4 ) and a housing ( 2 ), said Hall probe ( 3 ) being arranged in the influence area of the magnetic field of the permanent magnet ( 4 ). The aim of the invention is to provide a magnetic field sensor which can be produced in a less complex manner. This is achieved by virtue of the fact that the permanent magnet ( 4 ) is secured to the housing ( 2 ). One particular advantage of the device is that it is extraordinarily robust and is only slightly sensitive to vibrations.
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