oxygen analyzer / flue gas / carbon monoxide / hydrogen sulfide
RASI 901



  • Measured entity:

    oxygen, flue gas, carbon monoxide, hydrogen sulfide, stack gas, nitrogen dioxide, nitrogen monoxide, exhaust gas, sulfur

  • Measured value:

    combustion, emissions

  • Configuration:


  • Other characteristics:

    for monitoring gas emissions, compact, low-emission, NDIR


The most complete Combustion and Emissions analyser suitable for literally any type of combustion processes and stack testing.

- Up to 9 Gas Sensors simultaneously installed
- Measure O2, CO, NO,NO2, SO2 and H2S with electrochemical sensors
- NDIR Infra-red technology for CO2%, HC and High CO %
- Low NOx and Low CO
- Integrated Peltier Gas Cooler with peristaltic pump for moisture removal
- Semi-continius and continuos stack measurements
- Fresh Air purge pump for long term measurements
- Heated probe with heated sampling line

The RASI 901 represents the most powerful portable emissions and combustion analyser available in the market today. This compact and rugged gas analysers is suitable for emissions testing and combustion adjustments of Gas Engines, Gas Turbines, Industrial Boilers, Diesel Engines, Biomass Boilers and many more combustions processes.
Up to 9 measured gas simultaneously

The RASI 901 can be equipped with 6 electrochemical cells for measurements of O2, CO,Low CO, NO,NO2, low NO, Low NO2, SO2 and H2S and 1 NDIR (non dispersive infrared ) bench for CO2%, HC and high CO% measurements.