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Raw Exhaust Gas Emission Analyser

Raw Exhaust Gas Emission Analyser (Horiba, EXSA-1500) measures the concentrations of CO, CO2, THC (total hydrocarbon), NOx and O2 in exhaust gases from the engine. EXSA-1500 works even on low sample flow rates (3 lpm).
For the measurement of CO and CO2, Non dispersive infrared (NDIR) analyzer is used.
For the measurement of THC, a heated Flame ionization detector (hot FID) is used.
Chemiluminescence (CLD) analyzer is used for measurement of NOx.
Magnetopnumatic analyzer (MPA) is used for measuring O2.
A PC type flow controller calculates the concentrations from the analyzer signals and display the result on a screen. The heating sampling line is provided for exhuast gas sampling. EXSA-1500 has limited range for regulated emission (CO: 0-5000 ppm, 0-10 vol%); (CO2: 0-10/20 vol%); (NO/NOx : 0-100/500/1000/5000 ppm); (O2: 0-10/25 vol%); (THC: 0-100 to 50000 ppm C or 0-1000 to 200000 ppm C). 


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Equipment 1

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Equipment 2

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Contact person

Dr Avinash K Agarwal, FSAE, FASME
Department of Mechanical Engineering
Indian Institute of Technology Kanpur
Kanpur-208016 India
Home Page:
Tel: +91 512 2597982 (Off)
    +91 512 2598682 (Res)
Fax: +91 512 2597982, 2597408 (Off)

This instrument is effectively used for regulated emission measurements from the following:
  • Diesel vehicles/ engines
  • Gasoline vehicles/ engines
  • CNG vehicle/ engines
  • Alternate fuelled engines

CO, CO2, NOx and THC measurements

Engine Research Laboratory
Department of Mechanical Engineering
IIT Kanpur, Kanpur-208016
Tel: +91 512 2597458 (Lab)

Engine Research Laboratory, IIT Kanpur

Contact Prof. Avinash Kumar Agarwal

Contact Prof. Avinash Kumar Agarwal


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