Table 9 Errors and uncertainties associated with all instruments.
Measurements | Instrument | Range | Accuracy |
|---|---|---|---|
Engine load | Strain gauge type load cell | 0–25 kg |  ± 0.1 kg |
Speed | Speed sensor | 0–10,000 rpm |  ± 20 rpm |
Calculated results | Â | Â | Uncertainty |
Engine power | – | 0–50 kW |  ± 1.0% |
Fuel consumption | Level sensor | – |  ± 1.0% |
Air consumption | Turbine flow type | – |  ± 1.0% |
BTE | – | – |  ± 1.0% |
BSEC | – | – |  ± 1.5% |
UBHC | Gas analyzer | Ppm |  ± 0.1% |
CO | Gas analyzer | g/kWh |  ± 0.2% |
NOx | Gas analyzer | Ppm |  ± 0.1% |
