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http://hdl.handle.net/10397/4580
Title: | Versatile computer-controlled system for characterization of gas sensing materials | Authors: | Zhao, M Huang, JX Wong, MH Tang, YM Ong, CW |
Issue Date: | Oct-2011 | Source: | Review of scientific instruments, Oct. 2011, v. 82, no. 10, 105001, p. 1-6 | Abstract: | Design of a system used for characterizing gas sensing materials is described. It is distinctive of being able to measure electrical and optical responses of a sample simultaneously, control a number of measurement parameters, perform fast exchange of gaseous environment, and be fully controlled automatically. These features make the system to be versatile in determining most concerned performance indexes of a gas sensing material (e.g., sensitivity, stability, selectivity, response/recovery times, etc.) as functions of various combinations of measurement conditions (e.g., gas concentrations, temperature, total pressure, content of interferants, photo assist, relative humidity, soaking time in a fixed gas concentration, and number of switching cycles in a dynamic test, etc.). Rationales of the designs associated with general gas sensing mechanics are discussed. | Keywords: | Electric variables measurement Gas sensors Optical variables measurement |
Publisher: | American Institute of Physics | Journal: | Review of scientific instruments | ISSN: | 0034-6748 | EISSN: | 1089-7623 | DOI: | 10.1063/1.3648132 | Rights: | © 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in M. Zhao et al., Rev. Sci. Instrum. 82, 105001 (2011) and may be found at http://link.aip.org/link/?rsi/82/105001. |
Appears in Collections: | Journal/Magazine Article |
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