Capacitive displacement sensors: Unique precision with innovative technology

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Capacitive sensors from Micro-Epsilon have proven themselves in many different applications over the decades. Reliable technology enables the sensors to be used in safety-critical areas. More than 25 standard sensors with measuring ranges from 50 µm–10 mm cover numerous fields of application. These sensor models are available as cylindrical versions with a connector, as well as with an integrated cable, as a flat sensor and in PCB designs.

The completely triaxial sensor design is unique for capaNCDT sensors, where the guard ring electrode and the grounding are also located on the front edge of the sensor as well as the measurement electrode. This means capaNCDT sensors can be installed completely flush in conductive materials. The sensors can also come into contact with each other in the case of multi-channel measurements. Interference of the measuring field is reliably prevented by the triaxial design of the sensor.

Since the measurement can be carried out on conductive and non-conductive objects, there is no interference caused by the optical characteristics of the target. Therefore, even transparent and reflecting surfaces can be detected at maximum precision. Examples of conductive objects are metals, graphite, silicon, CFRP and water. Examples of non-conductive measurement objects are plastics (also GFRP, glass fiber-reinforced plastic), ceramics, steatite, porcelain, glass, adhesives, resins, oils and gelatine.