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A Hall Sensor is a four terminal solid state device that
produces an output voltage (VH) proportional to the product of the input current
(Ic), the magnetic flux density (B) and the sine of the angle between B
and the plane of the Hall Sensor.
A reversal of the direction of either the magnetic field or the control current
will result in a polarity change of VH. By holding the control current
constant, the Hall voltage will be proportional to the magnetic field. The
Hall Sensor can be used as a multiplier by varying both the control
current and the magnetic field. Hall-Effect Sensors produced by F.W. Bell
are solid-state components that provide a voltage output proportional to ambient
magnetic flux density. With operating characteristics from DC to MHz;
milligauss to kilogauss; linearity from 0.1%; temperature; -269° C to +175° C.
Bell's Hall-Effect Sensors can be used for a diverse number of applications.
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