| Number in array | Sensor name | General description | Reference |
| S1 | W1C-aromatic | Aromatic compounds | Toluene, 10 ppm | S2 | W5S-broad range | Very sensitive, broad range sensitivity, react on nitrogen oxides, very sensitive with negative signal | NO2, 1 ppm | S3 | W3C-aromatic | Ammonia, used as a sensor for aromatic compounds | Benzene, 1 ppm | S4 | W6S-hydrogen | Mainly hydrogen, selectively (breath gases) | H2, 100 ppb | S5 | W5C-arom-aliph | Alkanes, aromatic compounds, less polar compounds | Propane, 1 ppm | S6 | W1S-broad-methane | Sensitive to methane (environment) ca, 10 ppm, broad range, similar to no. 8 | CH4, 100 ppm | S7 | W1W-sulfur-organic | Reacts on sulfur compounds, H2S 0.1 ppm. Otherwise sensitive to many terpenes and sulfur organic compounds which are important for smell, limonene, pyrazine | H2S, 1 ppm | S8 | W2S-broad-alcohol | Detects alcohols, partially aromatic compounds, broad range | CO, 100 ppm | S9 | W2W-sulph-chlor | Aromatic compounds, sulfur organic compounds | H2S, 1 ppm | S10 | W3S methane-aliph | Reacts on high concentration >100 ppm, sometimes very selective (methane) | CH4, 100 ppm |
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