DEPTH Blog

The most useful snippets from our authors, all in one place. DEPTH discusses topics of diving, equipment and environment, physics and physiology, technique and technology, and hyperbarics.

Pick a Gauge, any Gauge! Case study of an open circuit diver.

Pick a Gauge, any Gauge! Case study of an open circuit diver.

An experienced open-circuit diver was trying the “latest, greatest” rebreather during an introductory dive experience. After a few minutes of cursory instruction, she entered the water and began her grand adventure. Descending gradually to 15 fsw (5 msw), she kept close watch on her gauges.

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Rebreathers and the Recreational Diver by Jeffrey Bozanic, Ph.D.

Rebreathers and the Recreational Diver by Jeffrey Bozanic, Ph.D.

When rebreather use started becoming common at the beginning of the twenty-first century, it was the deep, cave, and wreck divers who adopted the new technology. This equipment allowed them to go deeper, penetrate farther, and conserve expensive helium breathing gas. Because they could push the envelope of diving beyond where they could with traditional OC (open circuit) scuba, they were willing to tolerate the numerous increased maintenance responsibilities (as well as pay the hefty price tag associated with rebreathers, often $10,000 to $15,000 or more). But times have changed.

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