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Study of Influencing Factors of Dynamic Measurements Based on SnO2 Gas Sensor

Hefei Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, 230031, P.R. China
Department of Chemistry, University of Science and Technology of China, Hefei, 230026, P.R.China
Department of Machines, Anhui University of Technology and Science, Wuhu, 241000, P.R.China
Authors to whom correspondence should be addressed.
Sensors 2004, 4(6), 95-104;
Received: 1 April 2004 / Accepted: 19 August 2004 / Published: 30 August 2004
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The gas-sensing behaviour based on a dynamic measurement method of a single SnO2 gas sensor was investigated by comparison with the static measurement. The influencing factors of nonlinear response such as modulation temperature, duty ratio, heating waveform (rectangular, sinusoidal, saw-tooth, pulse, etc.) were also studied. Experimental data showed that temperature was the most essential factor because the changes of frequency and heating waveform could result in the changes of temperature essentially. View Full-Text
Keywords: Dynamic measurement; gas-sensing behaviour; influencing factors Dynamic measurement; gas-sensing behaviour; influencing factors
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sun, Y.; Huang, X.; Meng, F.; Liu, J. Study of Influencing Factors of Dynamic Measurements Based on SnO2 Gas Sensor. Sensors 2004, 4, 95-104.

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