Thickness of thermoformed flat film

Non-contact thickness measurement of thermoformed flat films (thickness 0.1 mm to 6 mm)

The systems of the FTS familiy series offer thickness measurements with extreme stability and accuracy. Applying them in thermoformed flat film lines provides reliable measurement results in high precision and thus creates the basis for controlling the production process and eventually the quality achieved.


  • Reduced consumption of raw materials goes along with increased quality
  • Adaptive traversing speed
  • No consequential costs for radiation protection due to isotope and X-ray free measuring principle
  • Emission-free measuring technology
  • Easy adaption in production lines
  • Customized interfaces

Material parameter:

  • Film thickness 0.1mm up to 6mm
  • Film width up to 3000mm
  • Material feed up to 14m/min


The products of the FTS family are designed as C frame and O frame systems, equipped with extreme precise capacitive and optical measurement technology. Parasitic distance effects of the measurement are eliminated with different compensation sensors. This procedure ensures highest precision in measurement and control.

The FTS 8101.EO O-frame is based on the combisensor principle. The system is equipped with a non-contact capacitive sensors and a Thrubeam sensor which are integrated in a traversing frame.

The eddy current sensor measures the reference distance to the measurement roll‘s metal surface. The distance from the film surface is measured by the Thrubeam sensor. Together with the reference signal the film thickness is calculated. This combisensor principle allows extreme precise measurements.


  • Gap 22 mm
  • Accuracy 3µm
  • Material independent measurements
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