The MAXO2+A Scuba analyzers was designed with simplicity and portability in mind. This analyzer is ideal for checking oxygen percent accuracy from your B.C. or directly from a tank when used in conjunction with our QuickOx Adapter.

• Comes equipped with a 2-year warranty on both analyzer and sensor
• Long battery life (Approx. 5,000 hrs)($25 annual savings in batteries vs competition)
• Internal MAX-250+ Long Life Sensor
• 5,000+ hours operation on 2 AA batteries
• Easy one touch calibration
• Patented ergonomic design fits comfortably in your hand
• Impact resistant & drip proof
• Large LCD with 3 digit display


  • Measurement Range: 0 - 100%
  • Resolution: 0.1%
  • Accuracy and Linearity: 1% of full scale at constant temperature., R.H and pressure when calibrated at full scale.
  • Total Accuracy: ± 3%actual oxygen level over full operating range.
  • Response Time: 90% of final value in approx. 15 seconds at 23o C.
  • Warm-up Time: none required
  • Operating Temperature: 15o C-40o C (59o F-104o F)
  • Storage Temperature: -15o C-50o C (5o F-122o F)
  • Atmospheric Pressure: -800-1013 mBars
  • Battery Life: approx. 5000 hours with continuous use
  • Low Battery Indication: “BAT” icon displayed on LCD
  • Sensor Type: Maxtec® MAX-250+ galvanic fuel cell for A model, MAX-250E for AE model.
  • Expected Sensor Life: >900,000 O2 percent hours minimum 2-years in typical medical applications.
  • A Model Dimensions: W 3.0” x H 4.0” x D 1.5” [76mm x 102mm x 38mm]
  • A Model Weight: 0.4 lbs. (170 g)
  • AE Model Dimensions: W 3.0” x H 36.0” x D 1.5” [76mm x 914mm x 38mm]
  • AE Model Weight: 0.6 lbs. (285 g)
  • Power Requirements: -2, AA Alkaline batteries
  • Humidity: 0-95% (non-condensing)