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daqmaster
Site Admin
Joined: 27 Jun 2005
Posts: 385
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 Posted: Thu Sep 11, 2008 9:43 pm Post subject: Isolated Sensor - Variable Reluctance/Magnetic |
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Variable reluctance sensors comprise a coil of wire wound around a magnetic core. As a ferrous metal passes near one pole it disturbs the magnetic field and induces a small voltage in the coil. In this example, the voltage is amplified, shaped, and converted to a digital signal for indicating vehicle wheel speed.
Topic: Signal Conditioning Fundamentals |
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