| [CO2]/ppm | [CO2]/% Vol | ABS |
| 0 | 0 | 0.000 |
| 5000 | 0.5 | 0.152 |
| 4000 | 0.4 | 0.132 |
| 3000 | 0.3 | 0.109 |
| 2000 | 0.2 | 0.083 |
| 1000 | 0.1 | 0.048 |
| 500 | 0.05 | 0.027 |