Table 3.
Information regarding the measured sensor resistance per measurement time in Figure 11.
| Input Condition | Ethanol Concentration [ppm] |
Sensor 3 | Sensor 4 | Sensor 5 | |||
|---|---|---|---|---|---|---|---|
| Measurement Time [s] | Mean Sensor Resistance [kΩ] | Measurement Time [s] | Mean Sensor Resistance [kΩ] | Measurement Time [s] | Mean Sensor Resistance [kΩ] | ||
| Ethanol | 50 | 410~770 | 104.89~15.81 | 2790~3150 | 120.6~20.74 | 5300~5660 | 93.45~12.24 |
| Air | 0 | 770~1090 | 15.81~105.74 | 3150~3340 | 20.74~121.36 | 5660~6240 | 12.24~89.8 |
| Ethanol | 50 | 1090~1450 | 105.74~16.21 | 3340~3700 | 121.36~20.65 | 6240~6600 | 89.8~12.78 |
| Air | 0 | 1450~1740 | 16.21~104.77 | 3700~3870 | 20.65~120.75 | 6240~7190 | 12.78~89.6 |
| Ethanol | 50 | 1740~2100 | 104.77~15.28 | 3870~4230 | 120.75~20.47 | 7190~7550 | 89.6~12.46 |
| Air | 0 | 2100~2400 | 15.28~107.99 | 4230~4440 | 20.47~125.11 | 7550~8000 | 12.46~89.71 |
| Replacing Sensor | X | 2400~2790 | X | 4440~5300 | X | X | X |