Spectrometric solutions from components to systems

JETI offers precise and economic equipment for spectral measurements

JETI has been developing and producing radiospectrometers, spectrometers, readout electronics and accessories for the highest precision and reproducible measurement results for more than 20 years. We are specialized in the development and production of compact array spectrometers. The focus lies on cost-effectivity and easy handling. Despite their smallness, our products offer the best system parameters in terms of stray light suppression and system stability in their class.



  • Spectroradiometer with powerful radiometric software and measurement ranges from UV via VIS up to NIR
  • OEM Spectrometer with mechanical shutter
  • Readout electronics for a variety of line arrays
  • Made for the sophisticated. Since 1998.


  • General light measurement
  • Measurement of monitors, projectors and displays
  • Applications in production
  • Measurements in greenhouses
  • Visual science research


  • Distributors in Europe, Asia, North America, Australia/Oceania
  • Device service
  • Software and drivers
  • Application notes
  • Data sheets
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