10 May 2006 Multi-spectral optical sensor based on light scattering for measuring total suspended solids
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Abstract
A novel optical sensor equipment has been developed for the measurement of total suspended solids TSS concentrations. The sensing equipment makes use of light-emitting diodes, LED's, as sources, and a silicon photodiode as a detector. The photodetector detects light scattered at 90°. The signal was correlated with the measured TSS concentrations. Scattered light was measured in terms of the output voltage of the photodetector of the proposed optical system. The output voltage was read using a conventional voltmeter. The correlation coefficient produced was high and the root mean square error was low.
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Mohd Zubir Matjafri, Mohd Zubir Matjafri, Khiruddin Abdullah, Khiruddin Abdullah, Lim Hwee San, Lim Hwee San, Wong Chow Jeng, Wong Chow Jeng, } "Multi-spectral optical sensor based on light scattering for measuring total suspended solids", Proc. SPIE 6201, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense V, 62010W (10 May 2006); doi: 10.1117/12.665407; https://doi.org/10.1117/12.665407
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