Table 1.
The information of the 12 MOS sensors.
| Sensors Labels | Sensor Name | Target Gases | Typical Detection Range |
|---|---|---|---|
| S1 | TGS826 | Ammonia | 30–300 ppm |
| S2 | TGS822 | Alcohol, Solvent vapors | 50–5000 ppm |
| S3 | TGS816 | Methane, Butane, Propane | 500–10,000 ppm |
| S4 | TGS813 | Methane, Butane, Propane | 500–10,000 ppm |
| S5 | MQ138 | Aldehydes, alcohols, ketones, aromatics | 1 to 100 ppm |
| S6 | MQ137 | Ammonia | 5–500 ppm |
| S7 | TGS2620 | Alcohol, Solvent vapors | 50–5000 ppm |
| S8 | TGS2611 | Methane | 1–25% |
| S9 | TGS2610 | Butane, Propane | 1–25% |
| S10 | TGS2603 | Trimethylamine, methyl mercaptan | 1–10 ppm |
| S11 | TGS2602 | VOCs, ammonia, hydrogen sulfide | 1–30 ppm |
| S12 | TGS2600 | hydrogen, ethanol | 1–30 ppm |