ABB’s new ACF5000 is the specialist for emission and process monitoring from the pioneers in FTIR CEMS. It is available in the 4th generation. Since introduction in 1993, ABB has sold more than 2000 units. The standard system design combines the advantages of a FTIR spectrometer, flame ionization (FID) technology and oxygen measurement. The high resolution FTIR spectrometer provides selective measurement of infrared active gas molecules with high sensitivity and stability.