• Carbon Monoxide Analyzer

Carbon Monoxide Analyzer

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The Monoxor Plus is the perfect tool for home/safety inspectors, maintenance personnel and HVAC contractors who need to monitor CO in ambient air or stack gases

It has many advanced features, including a trending graph with real-time value displayed, minimum and maximum measured values, and ability to log a 15-minute CO ambient test. The CO sensor is quickly replaced in the field without down time using B-Smart® pre-calibrated sensors. The Monoxor® Plus can also be used to measure ambient and flue gas temperatures, using optional thermocouple accessories. There’s even an available NOx filter to provide more accurate CO readings in flue gas applications.


An advanced carbon monoxide analyzer:

  • Fast, accurate measurement of CO for both ambient air and flue gas applications
  • Exclusive B-Smart® pre-calibrated CO sensor for easy field replacement
  • Advanced features like trending display and a 15-minute CO ambient test
  • Available accessories for appliance testing, differential temperature testing, NOx filtering, etc.



 Measurement CO0 to 2000 ppm
Temperature (optional)[1]-4 to 1202 °F (-20 to 650 °C)
DisplayGraphic LCD w/backlight
Power4x AA batteries
Run Time20 hours minimum (alkaline batteries)
Size (H x W x D)8.0 x 3.6 x 2.3 in. (20.3 x 9.1 x 5.8 cm)
Weight1 lb. (0.45 kg) including batteries
Operating Conditions23 to 113 °F (-5 to 45 °C),15 to 95% RH (non-condensing),1 ATM ± 10%
Warm-up Time30 to 60 seconds
Memory10 locations
CommunicationsUSB 2.0 (mini-B),IrDA
ApprovalsCE mark
Warranty2 years (including sensor)