Table 2 Test main instruments.

From: The impact of scavenging air state on the combustion and emission performance of marine two-stroke dual-fuel engine

Analyzer

Model

Measurement ranges

Deviation (%)

CO (ppm)

AIA 240

0 ~ 1000

0.16

CO2 (%)

AIA 240

0 ~ 16.0

0.12

NOx (ppm)

FAC 246

0 ~ 2000

0.11

O2 (%)

IMA 241

0 ~ 25

−0.10

HC (ppm)

FAC 246

0 ~ 2000

0.15

t (oC)

FC2022

0 ~ 1000

0.1

p (kPa)

FC2022

−50 ~ 4000

0.1

Speed (r/min)

FC 2010

0 ~ 3000

0.1

Torque (N·m)

CFSR-26

0 ~ 37,300

0.25

Fuel flow (kg/h)

FC 2210

0 ~ 1000

0.1

LNG flow (m3/h)

CMF 200 M

0 ~ 2000

0.2