Dual magnetic field sensor
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DPN WEB EXCLUSIVE: Containing two magnetic field sensors, the Zetex ZMX40M measures linear position and high voltage current. The magneto-resistive device provides a measurement sensitivity said to be many times greater than that of traditional Hall Effect devices.
Thin film permalloy stripes covering each sensor chip form a Wheatstone
bridge. This provides an output voltage proportional to the magnetic
field (Hy) running the length of the SM8 package. Internal permanent
magnets create a perpendicular field (Hx) that suppresses hysteresis
and biases the sensors in their linear region. Mounted in parallel and
separated by 3 mm in the y plane, the two sensors are said to
accurately measure the position of a magnetic object.
zetex.com
zetex.com
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