(800) 882-3214

California Analytical Instruments

California Analytical Instruments

600 series/NDIR/02 infrared/oxygen multi-component analyzer

California Analytical Instruments, Inc. (CAI) provides quality gas analyzers and systems used in industrial, environmental, process, and automotive emissions applications. CAI products include infrared analyzers; chemiluminescence analyzers, oxygen analyzers, flame ionization analyzers, UV fluorescence analyzers, FTIR, integrated systems, specialty products, photoacoustic IR analyzers.

*Analyzers from our vendors must be purchased as part of an integration and cannot be sold separately.*




  • Measures from low ppm up to 100% full scale
  • Measures oxygen from 0-1% up to 0-100%
  • Multi-component – up to three IR channels or two IR channels plus oxygen
  • Up to four user-definable ranges per channel
  • CE mark and ETL listed – conforms to UL
  • STD 61010-1, certified to CAN/CSA C22.2 STD No. 610610.1
  • Auto calibration and ranging fast response time
  • Temperature and pressure compensation
  • Comprehensive ciagnostics
  • Output options: voltage, current, RS-232, TCP/IP, MODBUS
  • Remote monitoring and control


  • IR analysis method: non-dispersive infrared (NDIR)
  • NDIR components: CO / CO2 / CH4 / SO2
  • Detector type: microflow
  • NDIR ranges*: from 0-50 ppm up to 0-100% *SO2, 0-1% up to 0-20% and CH4, 1,000 ppm up to 0-100%
  • Range ratio: 10:1
  • Response time (IR): 90% of full scale in < 1 second** **depending on cell length, flow rate, and time constant
  • IR sample cell: stainless steel with replaceable gold cell liner
  • Resolution: typically 0.1% of full scale
  • Repeatability: better than 1.0% of full scale
  • Linearity: better than 1.0% of full scale of factory-calibrated ranges
  • Noise: less than 1% of full scale of factory-calibrated ranges
  • Zero and span drift: less than 1% of full scale per 24 hours
  • Zero and span adjustment: via front panel, TCP/IP or RS-232
  • Sample flow rate: 0.5 to 2.0 LPM oxygen analysis method: paramagnetic or fuel cell
  • O2 Ranges: 0-1% (paramagnetic only) up to 0-100% O2 full scale, four definable ranges O2 response time: T90—2 seconds paramagnetic, 16 seconds fuel cell