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