O2 Quickstick - Oxygen Analyzer for Nitrox Divers


The Nuvair O2 Quickstick is the first diver-friendly oxygen analyzer available anywhere! Easy to use, effective, rugged and amazingly affordable, it is equally convenient for non-divers who need a quick and reliable oxygen analysis above water. The O2 Quickstick is designed for anyone who wants the security and convenience of having their own oxygen analyzer without having to pay a small fortune to own one.

Replacement Sensor


Fast response, thermally compensated sensor
Completely sealed, water-resistant housing
No hoses, adapters, or cables required
Easy calibration
User-replaceable battery and sensor
Magnetic waterproof on/off switch to preserve battery life
Anodized marine-grade aluminum body—nearly indestructible!
Pocket size


Flow Rate 0.5-2 L/min
Resolution 0.1%
Accuracy Within ±1% of full scale at constant temperature and pressure (0-1 atm) when calibrated with 100% oxygen
Sensor Type Electrochemical
Expected Sensor Life 36 months in air at 25°C/77°F and 50% rh
Range 0-100% oxygen
Response Time Less than 6 seconds to 90% of final value
Operating Temperature 32-104°F (0-40°C)
Operating Humidity 0-99% rh (non-condensing)
Storage Temperature 32-122°F (0-50°C)
Power 9V alkaline battery
Dimensions 9 (L) x 1.5 (W) in (23 x 4 cm)
Weight 21.1 oz (.34 kg)
Warranty 0 – 12 Months free replacement
13 – 18 Months 50% off replacement
19 – 24 Months 25% off replacement

* All specifications are at ambient/sea level, 77°F (25°C)

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