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 Sept 200317 Sept 2003

    Conference

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

    Keywords

    • spectrometer
    • near infrared
    • NIR

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