White Paper: Motion Control

Motion Control with Precision Noncontact Displacement Sensors

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Noncontact displacement sensors are used in measurement applications where surfaces or processes do not allow contact and demand high precision. Capacitive, confocal, eddy-current, and laser triangulation sensors have proven themselves in applications that incorporate motion systems. Noncontact sensors are available in many different versions. However, sensor range decreases significantly as the required precision increases.

Despite the range restriction there are still numerous products on the market from which the appropriate sensor can be chosen for a certain application. The following content briefly explains each displacement sensor technology to help simplify your selection.

Please note that not only the sensor itself is responsible for the achieved precision, but rather the combination of electronics, signal processing, and environmental conditions.

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