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In 1972, Robert Hollis founded the parent company American Underwater Products which did business as Oceanic. [2] Aeris, Originally also a brand of American Underwater Products, founded in 1998, was merged with Oceanic in 2014. The Aeris brand covered a wide range of recreational scuba equipment, including regulators, dive computers, buoyancy ...
AP Diving, also known as AP Valves – British manufacturer of underwater diving equipment – Inspiration rebreathers, Buddy and Commando buoyancy compensators, Mk IV Jump Jacket. Apeks – British manufacturer of scuba diving equipment – Scuba regulators, buoyancy compensators, harnesses, masks, fins, lights, diving suits and accessories. [6]
Technical diver during a decompression stop. There is some professional disagreement as to what exactly technical diving encompasses. [9] [10] [11] Nitrox diving and rebreather diving were originally considered technical, but this is no longer universally the case as several certification agencies now offer Recreational Nitrox and recreational rebreather training and certification.
The Halcyon RB80 is a non-depth-compensated passive addition semi-closed circuit rebreather of similar external dimensions to a standard AL80 scuba cylinder (11-litre, 207-bar aluminium cylinder, 185 mm diameter and about 660 mm long). It was originally developed by Reinhard Buchaly (RB) in 1996 for the cave exploration dives conducted by the ...
A malfunctioning rebreather can supply a gas mixture which contains too little oxygen to sustain life, too much oxygen which may cause convulsions, or it may allow carbon dioxide to build up to dangerous levels. Some rebreather designers try to solve these problems by monitoring the system with electronics, sensors and alarm systems.
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Closed circuit rebreathers are usually controlled to provide a fairly constant partial pressure of oxygen during the dive (set point), and may be reset to a richer mix (higher partial pressure of oxygen) for decompression. The effect is to keep the partial pressure of inert gases as low as safely practicable throughout the dive.
Once breathed, the exhaled gas is vented to the surroundings. Scuba systems invented before the Aqua-Lung were mostly closed circuit rebreather equipment, in which breathing gas flows through an ambient pressure hose to the diver, and exhaled gas is returned through a scrubber which removes carbon dioxide, to a counter-lung reservoir. Some ...
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