Research Article
Exhaust Emissions and Physicochemical Properties of Hydrotreated Used Cooking Oils in Blends with Diesel Fuel
Table 4
Gas analyzer specifications.
| Measured variable | Resolution | Measurement range | Accuracy |
| Exhaust gas temp. | 0.1°C | 0–1100°C | 1.0°C ± 0.3% |
| CO | 1 ppm | 0–2000 ppm | ±5 ppm when <100 ppm | ±5% when >100 ppm and <2000 ppm | ±10% when >2000 ppm |
| CO2 | 0.1% | 0–10% | ±5% |
| NO | 1 ppm | 0–1000 ppm | ±5 ppm when <100 ppm | ±5% when >100 ppm and <1000 ppm | ±10% when >1000 ppm |
| NO2 | 1 ppm | 0–100 ppm | ±5 ppm when <100 ppm | ±10% when >100 ppm |
|
|