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Analox Analysers

Nitrox Analyzer

Manufacturer Analox

The O2EII Pro analyser is a highly accurate device and a must have for any scuba diver. The unit comes with a three-year graded sensor warranty and has an expected sensor life of four to five years in air.

In order to plan for a safe scuba dive, you need to know the concentration of oxygen within your dive gas mix.


Monitoring the oxygen levels within your gas mix will determine your entire dive plan allowing you to plan the depth, time and decompression stages allowing for a carefree dive.


Ergonomically designed ensuring a comfortable grip
High performance equipment at an affordable price
Quick and easy to use
Market leader for Nitrox analysers
Splash proof
Robust design 
  • Range 0.1 - 100%
  • Resolution 0.1% O2
  • Typical Accuracy +/- 1% of reading +/- 0.2% of O2
  • Sensor Life Up to 4 years
  • Sensor Warranty 3 years prorated
  • Electronics Warranty 2 years
  • Power 9 volt battery (expected life 1 year)
  • Display 4 Digit LCD
  • Operating Temp -5 to +50C
  • Sensor Response 15 seconds to 90% of final reading
 Please note that the O2EII Pro does not come with a BCD flow restrictor.


Related Products

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Tribolube 71


Trigger Snap



BCD Flow Restrictor

The Analox Low Pressure BCD Inflator Flow Restrictor Adapter lets you use your Analox O2EII Pro Nitrox checker directly from your standard BCD inflator/jacket hose.

$ 74.00