Precise Capacitive Sensors with the capaTEC® Platform by EBE
The capaTEC® technology was completely developed by EBE and excels by high precision and robustness. Even if standard modules are used, the innovative measuring process allows for highest resolutions in the single-digit femtoFarad range. The dynamic parameterization finds the optimum operating point at any time. It achieves the best possible resolution across a wide range of values. Furthermore, the electronics provides stable results across a wide range of temperature and humidity. The control and analysis of several electrodes ensures a multi-channel measuring process. This diversity allows for a variable field configuration and the dynamic focussing of the measuring capacity on the desired area. capaTEC® measuring systems can also analyze the field spectroscopically. In this way, presences become detectable. Thus, level sensors can compensate moisture films.
Apart from the intelligent control and signal evaluation, the design of the measuring electrodes is of prime importance for capacitive sensors. EBE has great experience with the design and optimization of suitable structures. By means of a 3D field simulator, EBE determines the best geometry for the individual application under consideration of the given tolerances. In many cases, the electrodes can directly be integrated on the PCB. This allows for a compact sensor setup. The sensors function contactless, touchless and maintenance-free. The suitable design of the electrodes and the control makes the capacitive sensors based on the capaTEC® technology robust against parasitic capacities. This avoids disturbances which might occur by metal components or touch.
