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Proceedings Paper

Mobile micro-colorimeter and micro-spectrometer sensor modules as enablers for the replacement of subjective inspections by objective measurements for optically clear colored liquids in-field
Author(s): Paul-Gerald Dittrich; Fred Grunert; Jörg Ehehalt; Dietrich Hofmann
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Paper Abstract

Aim of the paper is to show that the colorimetric characterization of optically clear colored liquids can be performed with different measurement methods and their application specific multichannel spectral sensors. The possible measurement methods are differentiated by the applied types of multichannel spectral sensors and therefore by their spectral resolution, measurement speed, measurement accuracy and measurement costs. The paper describes how different types of multichannel spectral sensors are calibrated with different types of calibration methods and how the measurement values can be used for further colorimetric calculations. The different measurement methods and the different application specific calibration methods will be explained methodically and theoretically. The paper proofs that and how different multichannel spectral sensor modules with different calibration methods can be applied with smartpads for the calculation of measurement results both in laboratory and in field. A given practical example is the application of different multichannel spectral sensors for the colorimetric characterization of petroleum oils and fuels and their colorimetric characterization by the Saybolt color scale.

Paper Details

Date Published: 11 March 2015
PDF: 12 pages
Proc. SPIE 9411, Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications 2015, 941107 (11 March 2015); doi: 10.1117/12.2075089
Show Author Affiliations
Paul-Gerald Dittrich, Technology and Innovation Park Jena (Germany)
Fred Grunert, MAZeT GmbH (Germany)
Jörg Ehehalt, RGB Lasersysteme GmbH (Germany)
Dietrich Hofmann, Innovationspark Jena GmbH (Germany)

Published in SPIE Proceedings Vol. 9411:
Mobile Devices and Multimedia: Enabling Technologies, Algorithms, and Applications 2015
Reiner Creutzburg; David Akopian, Editor(s)

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