A high-frequency magnetic field induces eddy currents in metal targets. The eddy currents generally change the sensor's oscillation amplitude, which is sensed by a coil to create an output signal.

Eddy current displacement sensors (ECDS) represent a mature, yet continuously evolving, non-contact measurement technology that utilises the principles of electromagnetic induction.

The eddy currents depend on the distance, size, and composition of the target conductor. In turn, the eddy currents then generate their own field, which opposes the field around the coil.

Micro-Epsilon’s new Embedded Coil Technology (ECT) represents a technological breakthrough in eddy current sensor design and manufacture, enabling the previous limitations of using eddy current ...

The module works with pairs of eddy current coils, connected by flying leads, positioned on the mirror assembly so that the parts of the mirror move away from one coil while approaching the other. The ...

So it is with the Rogowski coil, an AC current sensing coil which is unlike conventional current transformers in that it’s open ended — in other words not needing to be closed around the ...

A noncontact true position sensor has been developed for use in automotive applications. The sensor detects eddy current induced changes of phase in a magnetic circuit. Work has been done in the areas ...

MARPOSS is offering a spindle-monitoring technology that detects its elongation due to temperature changes or other causes of displacement, in real-time. The new Artis GEMDS system uses data from a ...