If a standard sensor does not meet the required specification for an application, users often turn to customer-specific solutions. But what if the requirements exceed the physical possibilities with the sensors?
The recently announced ECT technology for capacitive sensors and eddy current sensors helps in these cases. The operating limits of the sensors are shifted significantly with this new technology.
The “Embedded Capa or Coil Technology” operates with the latest materials and manufacturing technologies and so clearly differentiates itself from conventional production techniques. In doing so, the sensor construction is embedded with temperature and form stability in an inorganic carrier material.
For example, eddy current sensors with ECT can be exposed to the highest mechanical and thermal loads in refiners. The solution for this application involved the use of ECT sensors, which were capable of withstanding the thermal loads, as well as the high vibrations over a long time period. Conventional sensors do not operate reliably enough in this particular environment, whereas ECT sensors are still able to provide precise distance measurements for long periods. Other uses have already been implemented in ultra-high vacuums and in strong electromagnetic fields.
Similar characteristics also apply to capacitive sensors with ECT, whose form and stability opens up new application areas. For example, for nano positioning in atomic force microscopes at approx. -264°C and with strong electromagnetic fields.