Poseidon MkVI / SE7EN Rebreather Training

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The TDI Air Diluent Closed Circuit Rebreather Diver Course for the Discovery Poseidon MkVI/SE7EN CCR is the entry level certification course for divers wishing to learn how to use and/or purchase the Poseidon MkVI / SE7EN Rebreather.

The objective of the course is to train divers in the benefits, hazards and proper procedures for diving a Discovery Poseidon MkVI / SE7EN CCR and to develop basic diving skills to a maximum of 30 metres / 100 feet using air as a diluent. No decompression diving is allowed on this course.

The skills include:

  • Unit buildup
  • Intact breathing loop verification
  • Electronic self test
  • Emergency procedures
  • Proper maintenance of the unit

 

Divers need to be Nitrox qualified, however this can be included as part of the course (see below).  Divers already qualified as TDI Advanced Nitrox & Decompression Procedure Divers, or equivalent are able to jump right in to the TDI Air Diluent Decompression Procedures Course for the Discovery MkVI / SE7EN CCR.

The Poseidon Discovery is the world’s first rebreather for recreational divers. It’s a fully-closed, fully-automated unit that will make you see diving in a different light.  The system comprises a breathing loop (mouthpiece, hoses and counter lungs) with associated electronics module, and two independent gas cylinders. One contains 100% compressed oxygen which is added to the breathing loop as the diver consumes it. The second cylinder typically contains compressed air “diluent” to compensate for compression in the breathing loop as the diver goes deeper. It’s also a back-up system, containing enough oxygen for the diver to breathe directly in an emergency.

The dive is fully managed by on-board computers, with two continuously recalibrating sensors constantly monitoring oxygen levels, and dive information recorded in the removable battery module. The hand-held control unit displays depth, cylinder pressure, and oxygen concentration. The system is also equipped with a number of active warning systems.

To begin the dive, the diver must ensure that the battery is charged, the bottles are filled with gas and the pre-packaged scrubber is attached. The computer then performs a thorough pre-dive test to ensure that all parts of the system are functioning properly before the dive is allowed to proceed.

Light, safe and simple to use, the Discovery is designed not only for seasoned divers, but for those who are new to the experience. With so much less to do, you’re free to concentrate on the dive itself. And with no bubbles to frighten the sea life, it’s a dive you’ll enjoy more than ever. It’s also a dive you can enjoy for longer, with the potential to stay under water for up to three hours at a maximum depth of 40 m.

At just 18 kilos (39.6 lbs) fully gassed up and ready to dive, the Discovery MkVI/SE7EN weighs less than many dive tanks weigh on their own. And minus tanks and canister, it weighs just 8 kilos (17.6 lbs), making it easy to travel with.

 

Course Structure

The Poseidon MkVI /Se7en rebreather training is conducted over 5 days.

The program has an online component to be completed prior the classes start, this will be provided upon our booking.

The confined water section is done on our in-store heated training pool for your comfort and safety.

A Minimum of 420 minutes of Open Water training is required for the successful completion of the course, and it is done over a minimum of 7 dives with a maximum depth of 30 metres/100 feet, including two boat dives on the Ex-HMAS Adelaide.

 

Requirements

  • Diver needs to be 18 years old or older
  • Sign Medical Questionnaire and seek medical clearance if required
  • Certified Open Water Diver or equivalent
  • Certified Enriched Air Nitrox Diver or equivalent
  • Proof of a minimum of 20 Open Water dives

 

What's Included

  • TDI Air Diluent CCR on-line diver manual
  • TDI Air Diluent CCR  Diver Certification Card
  • Oxygen Fills
  • Diluent & Bailout Air fills
  • Pool dive x1
  • Shore dives x5 (6-18m)
  • Double Boat dives on the Ex-HMAS Adelaide (20-30m) 

 

What's Not Included

  • Poseidon MkVI /Se7en Rebreather - Hire available for $600 for the duration of the course, booking essential
  • Sofnolime CO2 Sorb
  • CCR dive computer, or bottom timer and depth gauge
  • Personal Diving Gear - e.g. mask, fins, exposure suit, weights, etc
  • Suitable line-cutting device
  • Dive slate and pencil
  • Reel with a minimum of 40 metres / 130 feet of line
  • Lift bag / Delayed Surface Marker Buoy (DSMB)
  • Access to Oxygen Analyzer
  • Bailout stage bottle & regulator