NRC OxySpy O2 analyser for technical diving
The ergonomic oxygen analyser for technical diving: quickly calibrated, simple to use, ruggedly built.
- Range up to 100 % Resolution 0.1 % O2
- One-button operation Calibrate, freeze, MOD
- Splash-proof Ruggedly built
- For Nitrox and Trimix Made for technical diving
Currently out of stock. Write to us at info@vtm-dive.com and we will let you know when it is back.
SKU NRC-879 · EAN 4262538420033
Precise gas analysis with one button.
The OxySpy measures the oxygen content in Nitrox and Trimix, whether you fill cylinders or check the contents of your dive cylinders.
Calibrating, freezing the reading and showing the maximum operating depth (MOD) in metres or feet: everything runs through one button.
How to measure.
Calibrate
Calibrate the OxySpy at the push of a button. The device detects the calibration gas automatically.
Measure
Hold the OxySpy to the gas source. It works in both flow directions.
Read
Read the oxygen percentage, freeze the reading if needed and have the MOD displayed.
The OxySpy takes care of the rest: it warns of a weak battery and an empty oxygen sensor.

Everything included.
The OxySpy comes with an oxygen cell, battery, tool and a protective case. That way you are ready for the sensor and battery straight away.
- Replaceable lithium battery with a life of at least 3 years
- Warning for a weak battery and for an empty oxygen sensor
- Automatic shut-off saves the battery
Matching accessories
Technical data
Source: NRC International GmbH.
- Included
- OxySpy® analyser, oxygen cell, battery, protective case, tool
- Measuring range
- 0.1 to 100.0 % O2
- Resolution
- 0.1 % O2
- pO2 max
- adjustable from 1.2 to 1.8 bar
- Operating temperature
- 0 to 50 °C
- Sensor life
- approx. 1.5 years
- Battery
- Lithium, at least 3 years
- Weight
- 530 g
- Dimensions (L×W×H)
- 29.5 × 13 × 11 cm
- Item number
- NRC-879
- Manufacturer
- NRC International GmbH, Bergneustadt
Frequently asked questions
Which gases is the OxySpy suitable for?
The OxySpy measures the oxygen content. You use it for Nitrox and Trimix, when filling cylinders and when checking before the dive.
How do I calibrate the OxySpy?
At the push of a button. The device detects the calibration gas automatically.
Can I replace the sensor and battery myself?
Yes. The oxygen sensor and the lithium battery are replaceable. The matching tool comes with the analyser.
Is the OxySpy suitable for left-handed users?
Yes. It works for left- and right-handed users.
Questions about the OxySpy?
We are happy to advise you personally from our dive base in Xanten.





























