TABLE 2.
The performance description of the sensor.
| Array serial number | Sensor name | Representative material species | Performance description |
| 1 | W1C | Aromatic | Aromatic constituents, benzene |
| 2 | W5S | Broad range | High sensitivity and sensitive to nitrogen oxides |
| 3 | W3C | Aromatic | Sensitive aroma, ammonia |
| 4 | W6S | Hydrogen | Mainly selective for hydrides |
| 5 | W5C | Arom-aliph | Short-chain alkane aromatic component |
| 6 | W1S | Broad-methane | Sensitive to methyl |
| 7 | W1W | Sulfur-organic | Sensitive to sulfides |
| 8 | W2S | Broad-alcohol | Sensitive to alcohols, aldehydes, and ketones |
| 9 | W2W | Sulph-chlor | Aromatic ingredients, sensitive to organic sulfides |
| 10 | W3S | Methane-aliph | Sensitive to long-chain alkanes |