The Hall Effect and Magnetoresistive Sensing in Linear Position Sensors
Author | : Finlay Thomas |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 28 |
Release | : 2017-01-25 |
Genre | : |
ISBN | : 9781542674782 |
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Position transducers based on the Hall effect are often used in automotive and industrial products because they can provide long life at a relatively low cost. Since the sensitivity of a Hall effect element is based on measuring the magnetic field at a specific point within the device package, a single element provides for a relatively short stroke linear position sensor (less than 25mm stroke). Longer-stroke-length transducers can be made by using mechanical advantage or by incorporating an array of sensing elements, but the benefit of lower cost is then reduced. Hall effect sensors measure