technical information  

        = Discontinued or Obsolete

- NDIR (Non-Dispersive InfraRed)
    By passing infrared energy through a cavity to a detector the measurement is based on the difference in response of the detector with the gas-of-interest present in the cavity versus its response with no gas of interest in the cavity.

     5100/A (in-situ CO2 NDIR measurement) 
     815
     864 
     865 
     865EX 
     867 
     868 
     870 
     880 
     880A
     NGA2000 NDIR Module