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The presentation gives a brief overview of the main goals, the used methods and the first results of the PMARS OdourSense project. In cooperation with the Moulay Ismaïl University in Meknès (Morocco), a multi-gas sensor system for odour nuisance monitoring in outdoor air and a method for testing/calibration of such devices are being developed in this project.
This work presents the testing of a developed electronic nose for outdoor odour nuisance monitoring. The sensor system consists of a sampling system, a measuring cell equipped with commercially available low-cost gas sensor elements and a data acquisition system. The sensor testing showed that the developed prototype is able to distinguish, identify and partially quantify individual odorous substances like ethanol, ammonia and hydrogen sulphide. Ethanol and ammonia could even be detected below or near their odour threshold.