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confocalDT Distance/Thickness Spectrometer

Product Announcement from Micro-Epsilon

confocalDT Distance/Thickness Spectrometer-Image

confocalDT 2451/2471 are the latest high end controllers of the confocal chromatic measurement technology offered by Micro-Epsilon. The controller achieves measurement rates of 10,000 Hz using a white light LED and 70,000 Hz using a xenon light source due to a very good signal-to-noise ration. Due to a comfortably designed web interface the total sensor configuration can be effected avoiding any additional software. The data output is effected via Ethernet, EtherCAT, RS422 or analog output. The confocalDT 2451/2471 are applied in challenging measurement tasks regarding the distance and thickness measurement.

  • The fastest confocal controller available
  • Nanometer resolution
  • Real time surface compensation with high speed exposure control
  • Any target including transparent objects
  • Configuration via Web-Interface
  • Precison optical pens
  • Minature optical pens (90deg siede view option)

Download your free catalog!

Free demo and set up software with SDK available!

The confocal measurement principle

Poly-chromatic white light is focused onto the target surface by a multi-lens optical system. The lenses are arranged such that the white light is dispersed into a monochromatic light by controlled chromatic deviation. A certain distance is assigned to each wavelength by a factory calibration.

Only the wavelength which is exactly focused on the target is used for the measurement. This light reflected from the target surface is passed via a confocal aperture to the receiver which detects and processes the spectral changes.

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