To allow you to correctly plan the depth, time and decompression stages for a safe and fun dive you need to know the oxygen (O2) content in your nitrox mix. 

The O2EII Pro is a quick and reliable nitrox analyzer, helping you to take the plunge with confidence.

Analox O2EII Pro Nitrox Checker
Analox O2EII Pro Nitrox Checker
Analox O2EII Pro Nitrox Checker

Product Overview

The O2EII Pro is a small, lightweight and rugged oxygen (O2) analyzer. Designed to check the quality of your scuba diving gas mix, the O2EII Pro can be used directly at the tank or through a BCD adaptor while in harness (BDC adaptor is not included).

This highly accurate analyzer comes with a three year graded sensor warranty and an expected sensor life of four to five years in air.

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‘I asked for a 32% mix. Prior to my dive I checked the contents and actually had 36.4%. By having my own O2EII Pro I kept out of trouble. Bill @ NEC Dive Show’

  • Fitted with a hose barb allowing the O2EII Pro to be used while checking air quality at the tank or while connected to the first stage regulator.
  • Provided with a temperature compensation chart, allowing the O2EII Pro to be calibrated correctly depending upon temperature and humidity.
  • Quick and simple to use, the O2EII Pro is a tried and tested oxygen analyzer.
  • Scuba diving
  • Commercial diving
  • Military diving
  • Medical cylinder verification
  • Tyre verification

Oxygen (O2)

Replacement sensors are available directly from Analox or through our network of distributors.

We also have a 24/7/365 emergency support helpline available to all customers. 

Analox, always by your side. 

Personal
Portable
  • BCD Flow Restrictor 
  • Domed Adaptor
  • Box of 5 Sensor Savers
  • Box of 10 Sensor Savers
  • Replacement Oxygen (O2) Sensor
  • Peli Box
  • Replacement Tubing