Fieldpiece SOX3 - Combustion Check New with Hard Case

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Fieldpiece SOX3

The SOX3 has a strong magnetic hanger that holds the meter in place while the threaded barrel lock stabilizes the barrel without damaging the flue. Internal pump means no more hand pumping.Fieldpiece replacement sensors are replaceable in the field. The display shows when it’s time for a new O2 sensor.


  • Operates like a combustion analyzer with only the sensors you need.
  • Fast response time and excellent accuracy.
  • Internal electric AutoPump for hands-free testing.
  • Field replaceable oxygen sensor with sensor life reminder.
  • Custom fuel input for non-conventional burners.