Mixed Gas Dilluent CCR Diver

Mixed Gas Dilluent CCR Diver Group of two or more $1500 each (+ consumables)

The TDI 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


Please contact us for further information or to sign up for this class.