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TDI sf2 60m mixed gas 

32.000.000 IDR, 6-7 days, 6 dives (excl gas)

As a TDI CCR Air Diluent Decompression or Helitrox Diluent Decompression Diver, the TDI Mixed Gas CCR Diver course is your next step into closed circuit rebreather diving, 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 your TDI Instructor will teach you all the necessary 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 metres/200 feet.


Who is this course for?

  • The certified TDI Air Diluent Decompression or Helitrox Diluent Decompression Diver (or equivalent) looking to extend their depth limitations.

Course Prerequisites

  • Minimum age 18

  • Provide a verified log of a minimum of 50 rebreather hours distributed over a minimum of 50 dives on the specific rebreather. If the diver has 50 hours on another CCR unit recognized by TDI, only 25 hours are required to be on the specific unit

  • Have completed and qualified the TDI Air Diluent Decompression Procedures Rebreather/TDI CCR Helitrox Diluent Decompression Procedures Diver course or equivalent from agencies recognized by TDI

What you can expect to learn

  • The TDI Diving Rebreathers Student Manual is required for use as a review/recap document. The instructor may use any additional text or materials they feel will represent the topic in an educational manner. The following topics must be covered during the course:

  • Gas physiology, Oxygen toxicity, Hypoxia, Nitrogen and Helium absorbtion, HPNS, CO2 toxicity, Gas consumption, mixing and Formula work

  • Creation of custom dive tables appropriate to dive depths

  • Creation of lower percentage of oxygen (PO2) diluent to support loop flushing and bailout at depth

  • Dive planning, Operational planning

  • Equipment maintenance, Fuel cell management, Loop configurations and additional fitted equipment and modifications


What's in it for you

Upon successful completion of this course, graduates may engage in technical diving activities utilizing the unit specific CCR to a maximum of 60 metres / 200 feet, utilizing a mixed gas diluent containing 16 percent or greater oxygen provided:

  • The diving activities approximate those of training

  • The areas of activities approximate those of training

  • Environmental conditions approximate those of training

  • Ability to enroll in TDI Advanced Mixed Gas CCR Diver course


6-7 days: 6 dives

Certification requirements

  • Complete to the instructors satisfaction all confined and open water skill development sessions

  • Demonstrate mature, sound judgment concerning dive planning and execution

  • Course must be completed within 6 weeks from the starting date

  • Complete a refresher course following a period of inactivity greater than 6 months following the course


tdi sf2 mixed gas

6-7 days, 6 dives

32.000.000 IDR

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