Table 2.
Performance of 10 sensors for PEN 3 electronic nose.
| Sensor Number in Array | Sensor Name | General Description |
|---|---|---|
| S1 | W1C | Aromatic compounds |
| S2 | W5S | Reacts to nitrogen oxide |
| S3 | W3C | Ammonia, aromatic compounds |
| S4 | W6S | Mainly hydride |
| S5 | W5C | Alkanes, aromatic compounds, less polar compounds |
| S6 | W1S | Methane |
| S7 | W1W | Sulfur compounds, otherwise sensitive to many terpenes and organic sulfur compounds, which are important for smell, limonene, pyrazine |
| S8 | W2S | Alcohol, partially aromatic compounds |
| S9 | W2W | Aromatic compounds, organic sulfur compounds |
| S10 | W3S | Reacts to high concentrations, selective methane |