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The Mini CO2™ is a compact, lightweight, plug-n-play pCO2 sensor designed for use in algae-to-biofuels, aquaculture, carbon sequestration, educational research, and for general monitoring in oceanographic applications.



The Mini CO2™ probe is designed to measure dissolved CO2 in applications involving immersion in water, oil, or water and oil mixtures.

The Mini CO2™ probe operates through rapid diffusion of gas from liquid through an oil resistant, advanced matrix interface to a non-dispersive infrared detector. The signal is compensated for both pressure and temperature.

- Lightweight
- Compact size
- Low power
- Unique antifouling protection

- Physical Dimensions
- Length: 28 cm (add 9 cm for battery pack)
- Diameter: 5.1 cm
- Weight: 0.5 kg in air, 0 kg in water
- Housing: Acetal (depth rated to 600 meters), Titanium (depth rated to 6000 meters)


Mini-CO2 Brochure - Download

Application Note
AN 1.1 - Dissolved CO2 and Units of Measurement - Download
AN 1.2 - Equilibration Dynamics of Semi-Permeable Membranes - Download
AN 1.3 - Accuracy of CO2-Pro Series Sensors - Download