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About Maxtec MAXO2 + Oxygen Analyzer

If you dive mixed gases you are aware of the importance of checking the oxygen content of you mix. It is not only important it could keep you alive. Having too much or too little oxygen in the mix can make the difference between an uneventful dive and one that ends up a diving accident, the MAXO2+ Scuba analyzer 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.

- 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 temperature range.
- Response Time: 90% of final value in approximately 15 seconds at 23°C.
- Warm-up Time: none required
- Operating Temperature: 15°C - 40°C (59°F - 104°F)
- Storage Temperature: -15°C - 50°C (5°F - 122°F)
- Humidity: 0-95% (non-condensing)
- Power Requirements: 2, AA Alkaline batteries (2 x 1.5 Volts)
- Battery Life: approximately 5000 hours with continuous use
- Low Battery Indication: "BAT" icon displayed on LCD
- Sensor Type: MaxtecÓ MAX-250 galvanic fuel cell
- Expected Sensor Life: >900,000 O2 percent hours minimum 2-years in typical applications
- A Model Dimensions: 3.0"(W) x 4.0"(H) x 1.5"(D) [76mm x 102mm x 38mm]
- A Weight: 0.4 lbs. (170g)
- AE Model Dimensions: 3.0"(W) x 36.0"(H) x 1.5"(D) [76mm x 914mm x 38mm] Height includes external cable length (retracted).
- AE Weight: 0.6 lbs. (285g)

Maxtec MAXO2 + Oxygen Analyzer Features

  • Comes equipped with a two year warranty on both analyzer and sensor
  • One-touch calibration, with reminder
  • Long battery life (Approx. 5,000 hrs)
    ($25 annual savings in batteries)
  • Ergonomics, feels good in your hands
  • Impact resistant & drip proof
  • Large LCD

Maxtec MAXO2 + Oxygen Analyzer Specifications

Weight [with packaging]
1.1 lb
Mfr #

MAXO2 + Oxygen Analyzer Customer Reviews

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by PowerReviews
Maxtec MAXO2 + Oxygen Analyzer

(based on 1 review)

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Reviewed by 1 customer

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(1 of 1 customers found this review helpful)


Worth every penny

By Tom

from Detroit

About Me Advanced

Verified Buyer


  • Easy To Use
  • Functional
  • Improves Diving Experience
  • Lightweight
  • Solid Construction


    Best Uses

    • All Diving Applications

    Comments about Maxtec MAXO2 + Oxygen Analyzer:

    Very 1st time I used my new analyzer, I discovered the 02 mix I was about to dive with was 1.4 points higher than the label indicated. Had to adjust my dive plan accordingly - Worth every penny.

    • Was this a gift?:
    • No

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    Questions & Answers Powered by TurnTo®

    Questions about this item:

    Shopper  What is the difference between the medical sensor and the scoba? Looks like the quick connect? I do not see a picture of it.
    MARK S  The medical version is white and blue. The scuba version is yellow and green. That and the price are the only differences.
    Pithan B  When sensor time usage expired , should manufacturer allow to replace the sensor ? if it ia so could we do it ourself or require shop to do ?
    BRIAN R  The sensor is easy to replace. If I remember it is a single screw that opens the body. This allows replacement of the battery and sensor. The sensor is held in place by the body only and connected with a connector. If it takes more than 2 minutes I would be surprised.
    Tom W  The description make reference to checking from BC or tank with the Quick O2 adapter. Does it come with the parts necessary for both? If not, do you sell the necessary parts?
    Frank L  This kit can do both.
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