Detection based on “Changes in Eddy Current”
What is an inductive displacement sensor?

This section provides a detailed look at inductive displacement sensors.

“Inductive displacement sensors” not only detect the presence of a target but also measure the distance to a target.

EX-V and AS Series

As the target approaches the sensor head, the eddy current loss increases and oscillation amplitude becomes smaller accordingly. This oscillation amplitude is rectified to obtain DC voltage variations.

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The rectified signal and distance have an approximate proportional relationship. The linearisation circuit corrects the linearity to obtain a linear output that is proportional to the distance.

EX-V and AS Series


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