Air Liquide America Specialty Gases LLC Q3-O2000



This unique and compact oxygen monitoring system from Air Liquide should be installed in any confined space where inert gases might accumulate. This includes gas storage areas, freezers, confined spaces and other locations where low oxygen levels may pose an asphyxiation hazard.
Depth 83 mm
Height 89 mm
Width 140 mm
Power Requirements 24 VDC 100 mA without relays, 500 mA with relays
Weight .8 kg
Additional Specifications Sampling Method and Range: Diffusion, 0-25% O2   
Accuracy: ±0.5% of full scale   
Operating Temperature: -40°F to 131°F (-40°C to 55°C)   
Humidity: 0-95%   
Response Time: Within 1 second of any change in O2   
Repeatability: ±1%   
Minimum Detection: 1000 ppm


  • Zero maintenance zirconium cell   
  • No calibration required   
  • Unaffected by environmental temperature, humidity and barometric variations   
  • Operates at -40°F (-40°C) in freezers    
  • 10+ year of sensor life   
  • Local Display, 4-20 mA output   
  • Joystick adjustable dual-alarm system relays   
  • Computer controlled electronics   
  • Mounting feet can be oriented in any direction or removed for flush mounting   
  • Furnished with UL listed 110 VAC/24 VDC regulated power adapter
  • Photos

    Air Liquide - O2000

    Air Liquide - O2000

    Manuals and Resources

    Note: We appreciate the support of individuals and companies making their documents and resources available to our community. If you find a document or resource that does not belong please let us know by emailing

    Instrument Documents

    Questions and Answers

    Recent Question Activity

    Be the first to Ask a Question


    Member Reviews

    There are no threads in Air Liquide America Specialty Gases LLC Q3-O2000 Reviews at this time.
    Add a Review

    Air Liquide America Specialty Gases LLC Q3-O2000 Articles

    Helpful Resources, Articles, and Information

    Air Liquide America Specialty Gases has recently introduced the Air Check O2monitor, a compact and easy-to-install unit that's ideal for use in...

    See All Related Articles