Application of NIR sensor modules for process measurements

Jouko Malinen, Antti Kemppainen, Markku Känsäkoski, Eero Hietala

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

Recent years have seen the emergence of a number of miniaturized spectrometers and spectral sensors for visible and near-infrared wavelengths. The goal for the developments has been to reduce size and cost of the instruments as well as to accomplish rugged designs with no moving parts, which could be used in most demanding environmental conditions – such as process monitoring and hand-held instruments. This paper presents background information about spectral sensors: four-wavelength sensors, the LED array spectrometer and techniques for integration of electronics for use with detector array modules. Furthermore two applications relying on spectral sensors are briefly discussed: a moisture gauge developed with Metso Paper Inc. for paper mill applications as well as a study dealing with NIR transmission measurements for process control needs in plywood production.
Original languageEnglish
Title of host publicationProceedings of the 5th European Symposium on Near Infrared Spectroscopy
PublisherBiotechnological Institute
Pages85-91
Publication statusPublished - 2003
MoE publication typeNot Eligible
Event5th European Symposium on Near Infrared (NIR) Spectroscopy - Kolding, Denmark
Duration: 15 Sep 200317 Sep 2003

Conference

Conference5th European Symposium on Near Infrared (NIR) Spectroscopy
CountryDenmark
CityKolding
Period15/09/0317/09/03

Keywords

  • spectrometer
  • near infrared
  • NIR

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  • Cite this

    Malinen, J., Kemppainen, A., Känsäkoski, M., & Hietala, E. (2003). Application of NIR sensor modules for process measurements. In Proceedings of the 5th European Symposium on Near Infrared Spectroscopy (pp. 85-91). Biotechnological Institute.