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Rosemount™ CX1100 In Situ Oxygen Analyzer
Rosemount CX1100 In Situ Oxygen Analyzer
The Rosemount CX1100 In Situ Oxygen Analyzer provides measurement of oxygen in clean-burning applications.
Get accurate oxygen measurements to optimize combustion reactions, reduce energy costs and meet environmental regulations. All welded construction and no reference gas requirement reduces installation and maintenance costs.
Rosemount™ CX1100 In Situ Oxygen Analyzer


Measurement Type
Oxygen, Zirconia - Brazed Disk
±1% of reading or 0.1% of O2 whichever is lower
Measurement Range
0 to 23%
Time Constant / Response
Up to 10 sec T90
Process Temperature Range
Up to 752 °F (400 °C)
Ambient Temperature
-4 to 158 °F (-20 to 70 °C)
Probe Length Options from 19.7 in (0.5 m) to 6.6 ft (2 m)
Output Signal
4-20 mA
Ordinary location, see full specs for complete list of certifications


  • Optional remote mounted LCD Display and interface for easy access to process information and simplified maintenance
  • Good measurement repeatability of ±1% of reading and multiple probe length options to suit your application needs
  • Robust zirconia oxygen sensor provides measurement of furnace exhaust gas critical for boiler trim applications