Table 2 Percentage uncertainty detailing23.
Features | Measurement range | Rated resolution | Uncertainty |
|---|---|---|---|
Load | 0–12 kg | 2 kg | ± 0.19% |
BSFC | – | – | ± 1.2% |
BTE | – | – | ± 1.2% |
Fuel-flow | 0-100 (ml) | ± 1 ml | ± 1% |
Emissions of CO | 0–15 (% volume) | 0.01%vol | ± 0.06% |
Emissions of CO2 | 0–20 (% volume) | 0.1%vol | ± 0.5% |
Emissions of HC | 0-30000 (ppm) | 1 ppm | ± 0.3% |
Emissions of O2 | 0–25 (% volume) | 0.01%vol | ± 0.04% |
Emissions of NOX | 0-5000 (ppm) | 1 ppm | ± 0.02% |
Emissions of Smoke opacity | 0-100 (%) | 0.1% | ± 0.1% |
Temperature of oil | 0–125 °C | 1 °C | ± 1 °C |
Engine speed | 400–6000 rpm | 10 rpm | ± 0.167% |
