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DSAT Tec Trimix Course
For the extreme diver ready to further explore the world of technical deep diving, the gas of choice is trimix – blend of oxygen, helium and nitrogen.
The DSAT Tec Trimix Diver course takes you to the outer edges of technical deep diving, opening the door to pristine dive sites few divers – if any – ever see.
Get College Credit
You may be able to earn college credit for the DSAT Tec Trimix Diver Course.
What You Learn
The DSAT Tec Trimix Diver course is intended to extend the depth range of technical divers already trained and qualified to use air, enriched air and oxygen for technical decompression dives to 50 metres / 165 feet in open water.
This course is for DSAT Tec Deep Divers (or qualifying certification from another training organization). The course extends your depth range capabilities by training you to use trimix (helium, oxygen and nitrogen).
The Scuba Gear You Use
- Double cylinders (minimum 12 l/70 cf each, with larger preferred) with isolator manifold
- Primary and secondary regulators, one with two metre/seven foot hose (approx.) for gas sharing, and one with SPG
- Stage/decompression cylinders with regulator, SPG, mounting hardware and proper labeling/markings. Two per diver will be required
- Backup decompression cylinders as appropriate and required for the environment
- BCD and harness – redundant buoyancy control is required (double bladder BCD or dry suit if suitable for weight of equipment worn)
- Depth gauge/computer and backup depth gauge/computer
- Timing device and backup timing device
Trimix decompression information (tables/trimix computer) and backup decompression information
Exposure suit appropriate for environment and dive duration. (If you use a dry suit, you should be trained/experienced with its use in recreational and technical diving prior to using it for trimix training or diving.) - Argon dry suit inflation or other inflation system as needed (you should not inflate a dry suit with trimix)
Weight system (if needed) - Jon line (if needed for current diving environments)
- Inflatable signal tube
- Reel
- Lift bag (bright yellow or per local community practice preferred)
- Dive knife / cutting device and backup slate, backup mask (optional)
- Compass, lights (optional)
Drift kit (if drift decompressing) - The Learning Materials You Need
The Tec Trimix Diver crewpak includes all required materials for the Tec Trimix program including: manual, stop calculation table, Trimix decal and emergency procedures slate. Topics covered include:
Trimix diving depth ranges
- Exposure planning
- Selecting a trimix
- Argon inflation systems
Handling three or four deco cylinders
Decompression models - Emergency procedures
- Face masks and multi-gas computers.
Prerequisites
You must
- Be certified as a PADI Rescue Diver or have a qualifying certification in diver rescue and accident management from another organization
- Students who meet this through a qualifying non-PADI certification need to provide proof of CPR and first aid training within the previous two years.
- Be certified as a DSAT Tec Deep Diver
- At least 18 years old
- Have logged at least 150 dives
