Ratio

Dive Computer

Deepstop violation alarm: Yes; USB data transfer: Yes; CNS alarm: Yes; Freedive total history: Not Applicable

Dive Computer

The iDive Color Easy Ratio is designed for Air / Nitrox / Depth gauge / Freediving dive modes and has the full iDive range of this exceptional service like 3D Compass, Altimeter, Weather Forecast, Fitness, etc. Equipped with a mineral glass and to protect it from scratches and shocks, a protective

Air Pressure Transmitter

A state of the art Wireless Air Transmitter that gives you the current tank pressure on the Ratio® dive computer, wirelessly and that flashes green, yellow or red according to your tank's pressure during the whole dive

Oxygen analyser

The RATIO Nitrox Analyzer is the world's first dive computer series that can analyze your Nitrox tank. It can transform your Ratio computer into a professional Gas Analyzer, with automatic Nitrox analysis. Ratio checks calibration and atmospheric conditions to provide an accurate analysis of the

Dive Computer

USB data transfer: Yes; Weight: 220; High pO2 (hyperoxic) alarm: Yes; Deepstop violation alarm: Yes