thicknessCONTROL TCP 8301。我profilometer has been designed to measure profile thickness and width in extrusion lines and small calander lines. The system is based on the optical triangulation principle and contains laser light sources in the upper and lower belts that project a line onto either side of the material. These two lines are in parallel and cameras that are also mounted on the system belts will detect their reflections (= light intersection method). The number of cameras will depend on the width and required precision. An automated calibration process transfers the camera signals to a common coordinate system to determine the thickness profile of the measured material based on the differential principle (= difference between the sum of the sensor signals and the gap). Calibration also corrects and optimises the linearity of the camera signals* to ensure that the system provides high-precision results.