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Air Systems International CO2-91LAC CO2 91LAC Portable O2 CO Monitor
Air Systems International CO2-91LAC Portable O2 CO Monitor
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Your Price: $2,043.04

Air Systems International CO2-91LAC CO2 91LAC Portable O2 CO Monitor

Air Systems CO2-91LAC easily connects to filtration sources for breathing air, ambient air pumps & monitors your air for dangerous CO content.

Air Systems CO2-91LAC features an audible alarm of 90 dBA, and also monitors the air for O2 levels. The alarm and light is incorporated in its design gets activated when CO content exceeds 10ppm (5ppm for Canadian models). Its external alarm with light allows usage in a closed position while eliminating the chance of damage or contamination to internal elements. The CO Monitor operates on 9 volt batteries, 16 to 8 VDC and/or 115 VAC.


  • Portable filter pots
  • Ambient air pumps
  • Filter systems
  • Equipment Rentals
  • Retrofit old-style filtration systems and compressors
The Air Systems CO2-91LAC Portable Airline CO Monitor comes equipped with audible alarm and light signal.

Air Systems CO2-91LAC Features
  • Monitors the air for both O2 & CO2
  • Permits 150psi of inlet air pressure
  • High intensity alarm (optional)
  • Requires batteries 9 volt - 16 to 8 V DC & - or 115 V AC
  • Comes with connector kit including 1/4 inch interchange coupling with 5ft. hose
  • Comes with an alarm jack that allows easy connection with remote alarm devices
  • Portable
  • Connects easily to air-breathing source with high/low pressure
  • Great performance
  • Can be connected to remote alarm device
  • Durable ergonomic design

Choose Options and Quantity
Calibration Kits BBK-10 - Canadian calibration kit – 10ppm CO tubing regulator zero air & hard case – disposable cylinders 17 liter size [+$250.00]
BBK-20 - CO monitor calibration kit - 20ppm CO tubing regulator zero air & hard case – disposable cylinders 17 liter size [+$330.00]
BBK-20103 - Large calibration - includes 20ppm CO pressure gauge regulator zero air tubing & hard case – Disposable cylinders 103 liter size [+$600.00]
Replacement Cylinders BBG-00 - Replacement cylinder 17 Liter zero air [+$80.00]
BBG-20 - Replacement cylinder 17 Liter 20ppm CO [+$80.00]
BBG-02 - Replacement cylinder 17 Liter 20.9 percent O2 in nitrogen [+$85.00]
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