The Series 351 zirconia oxygen analyzer is suitable for monitoring and controlling any variable gas stream or atmosphere that is clean and dry. Typical uses include oxygen-enriched air feed to furnaces, combustivity index of blended fuel gases and oxygen content during heat bonding of plastics.


  • Measures oxygen from 0.1 ppm to 100 percent in gases
  • Accuracy increases at low oxygen concentrations
  • Fast response: 90 percent of step change in 1 second

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