Table 1.
Summaries for different types of sensors and their application in odor detection
| Gas description | Sensors |
Applications | |||
|---|---|---|---|---|---|
| P-type | T-type | LY2-type | |||
| Flammable gases | Hydrocarbons | P10/1 | LY2/gCT LY2/GH |
Cooking, roasting; Dairy products; Vegetables; Petro-chemistry |
|
| Methane | P10/2 | ||||
| Propane | LY2/gTCl | ||||
| Hydrogen | |||||
| Organic compounds | Aldehydes | LY2/LG | Rancidity odor; Alcohol beverages; Perfumes; Fermentation; Herbs; |
||
| Solvents | P30/1 | T30/1 | |||
| Alcohol | P30/2-PA/2 | TA/2 | LY2/AA | ||
| Aromatic compounds | P40/1-P40/2 | T40/1-T40/2 T70/2 |
LY2/G–LY2/GH | ||