Mel spells it out very clearly here, and it is a theme that is consistent throughout the book. She takes the time to not only explain how, but also why. This is of utmost importance to me if you want me to strap something on my back that can kill me in 30ft of water. How do you discuss bailout valves and full-face mask flood drills with someone to has only previously dived on a single tank, open circuit? Surely this all makes more sense to someone who has at least done some OC tech diving?
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Closed circuit rebreathers give you the freedom and time to dive the way you always dreamt. Jim Kozmik Assoc. Producer Sport Diver TV kozmikunderwater. AP CCRs significantly extend no-stop times. The significance of diving with an oxygen-rich breathing gas is that the percentage of inert gas is considerably lower. At air-range depths these benefits are huge. Want to take your time on a reef? The Inspiration offers all of the increased depth, time and deco advantages of open circuit nitrox diving but without the expense, time and hassle of pre-mixing multiple gases for pre-planned target depths, excessive cylinder carrying or gas-switching during the dive.
Inspiration CCRs offer simplified mix gas diving. In practice this gives you ultimate versatility: from shallow reef to deep wreck, the same prepped unit will automatically deliver the optimum mix at every depth and a super-O2-rich mix during deco.
If you do stay down long enough to incur deco penalties, these obligations are greatly reduced. If you were to do the same dive on open circuit Air, which is very unlikely, but One of the most significant advantages of fully closed circuit diving is the massive increase in gas efficiency, with smaller cylinders, less visits to the filling station and cheaper fills particularly when using Trimix … Open circuit SCUBA air or mixed gas is extremely wasteful of gas.
This waste increases dramatically with depth. At 30m a typical open circuit diver breathes at the rate of litres per minute:
How does a rebreather work?
The Poseidon SE7EN is an example of technology at its best; taking a complex process and making it beautifully simple. So simple, in fact, that the SE7EN diver can just enjoy the dive! Throughout the dive, Poseidon safety technology is monitoring the oxygen sensors to ensure that they are working perfectly. A three-level alarm system is there to alert the diver and buddy if something does not go according to plan.
Best Rebreathers of 2020
Closed circuit rebreathers give you the freedom and time to dive the way you always dreamt. Jim Kozmik Assoc. Producer Sport Diver TV kozmikunderwater. AP CCRs significantly extend no-stop times. The significance of diving with an oxygen-rich breathing gas is that the percentage of inert gas is considerably lower. At air-range depths these benefits are huge.