Research Article
Experimental Analysis for Nitrogen Oxide Reduction in a Diesel Engine by the Hydrogen-Assisted Selective Catalytic Reduction Technique
Table 2
Emission measurement range of the AVL gas analyzer (DIGAS 444N model).
| Emission | Measurement range | Resolution |
| CO | 0–15% vol | 0.001% vol | HC | 0–20,000 ppm vol | 1 ppm/10 ppm (0–2000 ppm)/(>2000 ppm) | CO2 | 0–20% vol | 0.1% vol | O2 | 0–25% vol | 0.01% vol | NOX | 0–6000 ppm vol | 1 ppm vol |
|
|