TDI Extended is a course that caters to divers who don't have access to Trimix. This course emphasizes good procedures, skill development, as well as diver response to different situations. The Extended Range environment allows students to safely use two decompression gasses. TDI Extended Range training dives can be conducted with nitrox, air or both.
TDI Trimix
TDI Trimix certification opens the doors to many new dive sites. This certification also allows divers to have more bottom time, and can go up to 60 meters/200 feet. Extended Range training is also available via eLearning. If you're unable to find a dive center in your area, you can complete the course online with TDI eLearning. This course will help you understand the advantages of extended range diving.
You will be able to dive in more difficult environments and have a lower nitrogen narcosis with the Extended Range course. You'll learn how to plan and execute stage decompression dives by using up to two stage bottles and enriched air or oxygen. The Extended Range course can be combined with TDI Trimix Diver Certificate.
TDI Trimix training will prepare you for advanced diving and allows you to dive up to 60 meters in normoxic conditions. TDI Trimix training emphasizes skill development and safety, as problems at this depth must be dealt with quickly. To achieve this, divers need to feel at ease with procedures that will help prevent complications.
