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Home / Sensor Letters, Volume 9, Number 1

ProSens—An Efficient Mathematical Procedure for Calibration and Evaluation of Tin Oxide Gas Sensor Data

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Authors: Seifert, R.; Keller, H. B.; Frank, K.; Kohler, H.

Source: Sensor Letters, Volume 9, Number 1, February 2011, pp. 7-10(4)

Publisher: American Scientific Publishers

DOI: https://doi.org/10.1166/sl.2011.1408

ProSens is a mathematical procedure which was developed for calibration of multi gas sensors like thermo cyclically operated tin oxide gas sensors and numerical analysis of their signals in field chemical analysis applications. In this paper ProSens is described in detail and it is demonstrated that ProSens is capable to meet the requirements of gas component identification and quantitative concentration determination even in situations of varying environmental conditions like humidity. Two illustrative examples of ProSens applications on real sensor signals are discussed. The results confirm that a quite small number of calibration points is sufficient for analysis of binary gas mixtures and determination of component concentrations with an accuracy of about 10–15%.

Keywords: CALIBRATION; CTP; DATA EVALUATION; MATHEMATICAL PROCEDURE; MULTI GAS SENSORS

Document Type: Research Article

Publication date: 01 February 2011

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