Capacitive thickness measurements in high precision applications

27/07/2021

On the one hand, capacitive sensors from Micro-Epsilon measure displacement and distance on a non-contact basis, but on the other hand are used for non-contact thickness measurements. capaNCDT sensors achieve best values, e.g., in terms of linearity, repeatability and resolution and achieve submicron accuracy in industrial environments. Due to their incredibly high temperature stability, they generate stable measurement values even in fluctuating ambient temperatures.

Each capacitive sensor can be operated with any Micro-Epsilon controller without requiring any complex calibration. Various interfaces such as analog, Ethernet and EtherCAT enable connection to modern machines and systems. Settings can be made via the user-friendly web interface.

In production monitoring, for example, capacitive sensors measure film thickness and application of the adhesive. Installed in machines, they monitor displacement and tool positions.

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