Optima Mixed Gas Diluent CCR Diver

The TDI Optima Mixed Gas course is your next step into closed circuit rebreather diving and with the addition of helium as a diluent gas, it is your opportunity to explore a little deeper. Using the latest in technology CCR’s maximize your gas supply and provide the optimum breathing gas for any depth by maintaining a constant partial pressure of oxygen (PPO2). During the dives (minimum of six) your TDI Instructor will teach you all the nesscery skills to conduct CCR dives utilizing helium as a diluent gas and oxygen levels as low as 16 percent to a maximum depth of 60 m / 200 feet, the skills include. Calculating off-board gas requirements Recovering from system failure Calibration of electronics Emergency procedures Removing and replacing off-board gases Surface marker buoy deployment Find an Instructor for this Course