Portable Sensing of Organic Vapours based on a Single Semiconductor Sensor

Andrzej Szczurek, Monika Maciejewska

2014

Abstract

A notable need for lightweight, simple-to-use portable gas analysers with facilities aimed at wide range of applications is observed in the market of measuring instruments today. In this work, a concept of portable sensing of organic vapours is presented. As the most reliable, the semiconductor gas sensor technology was chosen. However, due to high power consumption of this kind of sensors only a single sensor option is currently feasible for the portable device. In view of partial selectivity of the metal oxide based gas sensors, the unsatisfactory analytical abilities of the device could be anticipated. But, we showed that a single semiconductor gas sensor may be used for identification and quantification of the organic compounds vapours. In our solution, this goal is accomplished by applying active gas sampling. It was demonstrated that variable exposure conditions of a sensor, which are induced by the gas flow, allow for obtaining the sensor signal that has high information content. It is sufficient to characterize the test gases qualitatively and quantitatively. The achieved accuracy is very good for a screening device.

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Paper Citation


in Harvard Style

Szczurek A. and Maciejewska M. (2014). Portable Sensing of Organic Vapours based on a Single Semiconductor Sensor . In Proceedings of the 3rd International Conference on Sensor Networks - Volume 1: SENSORNETS, ISBN 978-989-758-001-7, pages 313-322. DOI: 10.5220/0004697303130322


in Bibtex Style

@conference{sensornets14,
author={Andrzej Szczurek and Monika Maciejewska},
title={Portable Sensing of Organic Vapours based on a Single Semiconductor Sensor},
booktitle={Proceedings of the 3rd International Conference on Sensor Networks - Volume 1: SENSORNETS,},
year={2014},
pages={313-322},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004697303130322},
isbn={978-989-758-001-7},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 3rd International Conference on Sensor Networks - Volume 1: SENSORNETS,
TI - Portable Sensing of Organic Vapours based on a Single Semiconductor Sensor
SN - 978-989-758-001-7
AU - Szczurek A.
AU - Maciejewska M.
PY - 2014
SP - 313
EP - 322
DO - 10.5220/0004697303130322