Effect of Acetone-n-Butanol-Ethanol (ABE) as an Oxygenate on Combustion, Performance, and Emission Characteristics of a Spark Ignition Engine

Table 3

Measuring range, accuracy, and resolution of the experimental apparatus.

Apparatus	Measuring range	Accuracy (±)	Resolution
Engine speed	1–5000 rpm	0.2%	1 rpm
Torque	0–300 Nm	0.5%	0.1 Nm
Exhaust gas temperature	0–900°C	1°C	0.1°C
CO emission	0–10% vol	0.06%	0.01% vol
HC emission	0–10000 ppm·vol	12 ppm·vol	1 ppm·vol
CO2 emission	0–20% vol	0.5%	0.01% vol
NOx emission	0–3000 ppm	3%	1 ppm
Lambda	0.65–13.7	0.3%	0.01
Mass flow meter	0–1000 slpm	1%	0.1 slpm