Measure Disc Thickness Variation (DTV) on brake discs

Measuring  the  deformation  of  brake  discs  under  load while braking is an ideal task for the optoNCDT 1700BL. Due to the short wavelength of the blue-violet laser used, the light emitted from the red-hot brake does not dazzle the sensor, as the 600-nm wavelength is a long way off the 405-nm wavelength of the blue-violet laser and is effectively blocked by the high quality interference filters employed.

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