Validation of the Developed Multi-Gas Monitoring System

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The study was a validation of a developed gas monitoring system. The objective of the study was to determine the accuracy of the prototype in identifying gas concentrations. Experimental research method was utilized in the study. In evaluating the system’s ability to sense carbon monoxide, toluene, methane, liquefied petroleum gas (LPG), smoke and ammonia, three trials tests using cigarette smoke, kitchen lighter gas and aromatic spirit of ammonia were conducted. The device was found to be sensitive with toluene, ammonia, smoke, carbon monoxide, LPG and methane. The system attained the accuracy of 90.10% in detecting LPG and 97.32% for methane using kitchen lighter gas test; 79.81% for carbon monoxide and 80% for smoke using the cigarette smoke test; and 85.54% for ammonia and 71.93% for toluene. In addition, an accuracy of 95.39% was attained as the device was compared to the reading of an existing PETC device in measuring carbon monoxide.

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245-250

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October 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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