Res. Agr. Eng., 2016, 62(4):190-197 | DOI: 10.17221/80/2015-RAE

Some causes of differences in the NH3 concentration measured with the semiconductor sensors by one manufacturerOriginal Paper

P. Zabloudilová1, J. Pecen1, M. Češpiva2
1 Department of Sustainable Technologies, Faculty of Tropical AgriSciences, Czech University of Life Sciences Prague, Prague, Czech Republic
2 Research Institute of Agricultural Engineering, Prague, Czech Republic

The paper deals with continuous monitoring of NH3 desorption from material used as bedding in animal breeding establishments, using five semiconductor sensors SP-53 (FIS Inc.). In lab experiments, two groups of sensors from two categories, to which the manufacturer divided the sensors based on the value of their resistance RS, were used. Also the influence of air humidity over the values of NH3 concentrations measured by individual sensors was monitored. The study ascertained statistically relevant differences between NH3 concentration values measured by both groups of sensors, in the range from 8.5% to 23.1%. The biggest differences were confirmed for relative air humidity around 85%. It was verified that setting a convenient value of the load resistance RL with regard to the RS of each sensor, along with the selection of limited range of measured temperatures and relative air humidity, leads to satisfactory correction of the sensor output data, regardless of the division of sensors in categories pursuant to the value of their resistance in manufacturing.

Keywords: load resistence; sensor resistence; air humidity; continuous NH3 monitoring

Published: December 31, 2016  Show citation

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Zabloudilová P, Pecen J, Češpiva M. Some causes of differences in the NH3 concentration measured with the semiconductor sensors by one manufacturer. Res. Agr. Eng. 2016;62(4):190-197. doi: 10.17221/80/2015-RAE.
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    References

    1. Barsan N., Weimar U. (2003): Understanding the fundamental principles of metal oxide based gas sensors: the example of CO sensing with SnO2 sensors in the presence of humidity. Journal of Physics: Condensed Matter, 15: 813-839. Go to original source...
    2. Carotta M.C., Benetti M., Ferrari E., Giberti A., Malagù C., Nagliati M., Vendemiati B., Martinelli G. (2007): Basic interpretation of thick film gas sensors for atmospheric application. Sensors and Actuators B: Chemical, 126: 672-677. Go to original source...
    3. Hahn S.H., Bârsan N., Weimar U., Ejakov S.G., Visser J.H., Soltis R.E. (2003): CO sensing with SnO2 thick film sensors: Role of oxygen and water vapour. Thin Solid Films, 436: 17-24. Go to original source...
    4. Hawkins D. (2005): Biomeasurement: Understanding, Analysing, and Communicating Data in the Biosciences. New York, Oxford University Press.
    5. Henrich V.E., Cox P.A. (1996): The Surface Science of Metal Oxides. Cambridge, University Press.
    6. Ionescu R., Vancu A., Tomescu A. (2000): Time-dependent humidity calibration for drift corections in electronic noses equipped with SnO2 gas sensor. Senzore and Actuators B: Chemical, 69: 283-286 Go to original source...
    7. Kamionka M., Breuil P., Pijolat C. (2006): Calibration of a multivariate gas sensing device for atmospheric pollution measurement. Sensors and Actuators B: Chemical, 118: 323-327. Go to original source...
    8. Korotcenkov G., Cho B.K. (2009): Thin film SnO2 - based gas sensors: film thickness influence. Sensors and Actuators B: Chemical, 142: 321-330. Go to original source...
    9. Masson N., Piedrahita R., Hannigan M. (2015): Approach for quantification of metal oxide type semiconductor gas sensors used for ambient air quality monitoring. Sensors and Actuators B: Chemical, 208: 339-345. Go to original source...
    10. Nakata S., Neya K., Takemura K.K. (2001): Non-linear dynamic responses of a semiconductor gas sensor - Competition effect on the sensor responses to gaseous mixtures. Thin Solid Films, 391: 293-298. Go to original source...
    11. Pavelko R.G., Vasiliev A.A., Llobet E., Sevastyanov V.G., Kuznetsov N.T. (2012): Selectivity problem of SnO2 based materials in the presence of water vapors. Sensors and Actuators B: Chemical, 170: 51-59. Go to original source...
    12. Tomic O., Eklöv T., Kvaal K., Haugen J.E. (2004): Recalibration of a gas-sensor array system related to sensor replacement. Analytica Chimica Acta, 512: 199-206. Go to original source...
    13. Wang C., Yin L., Zhang L., Xiang D., Gao R. (2010): Metal oxide gas sensors: sensitivity and influencing factors, Sensors, 10: 2088-2106. Go to original source... Go to PubMed...

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