A chemiluminescent analyser is used to measure the concentrations of oxides of nitrogen (NOx) in the samples collected in bags Sa and Sb during the test.
The system shall comprise one HFID analyser for measurement of the unburned hydrocarbons (HC), and NDIR analyser for measurement of carbon monoxide (CO) and a CLA, HCLA or equivalent analyser for measurement of oxides of nitrogen ...
