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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 ...
In the PVR-BASC the discharged gas volume is a function of depth and breath volume. The passive addition occurs during each inhalation as the loop volume is deficient by the amount discharged. The volumetric ratio of discharged gas to exhaled gas volume varies with depth, and decreases as the pressure increases. [2]
In 1983, Edward D. Thalmann published the E-L model for constant P O 2 nitrox and heliox closed circuit rebreathers, [19] in 1984 published U.S. Navy Exponential-Linear algorithm and tables for constant P O 2 Nitrox closed circuit rebreather (CCR) applications, [20] and in 1985 Thalmann extended use of the E-L model for constant P O 2 heliox ...
[1] [2] [12] [13] A maximum oxygen partial pressure of 1.4 bar for the active sectors of the dive, and 1.6 bar for decompression stops is recommended by several recreational and technical diving certification agencies for open circuit, [14] and 1.2 bar or 1.3 bar as maximum for the active sectors of a dive on closed-circuit rebreather ...
This is a list of makes of rebreather breathing sets, ... This category has the following 2 subcategories, out of 2 total. R. Rebreather components (11 P)
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 ...
This limit is based on risk of central nervous system oxygen toxicity, and is somewhat arbitrary, and varies depending on the diver training agency or Code of Practice, the level of underwater exertion expected and the planned duration of the dive, but is normally in the range of 1.2 to 1.6 bar. [1]
NAVSEA 0994-LP001-9010 Revision 1, Navy Department, Washington DC. Chapters 9 through 17 and appendices A through D. dated July 1 1981. [5] [1] 1985 - US Navy Diving Manual, Volume 1, Air Diving, Revision 1, document NAVSEA 0994-LP-001-9010, dated 1 June 1985. [1] 1987 - US Navy Diving Manual, Volume 2, Mixed-Gas Diving, Revision 2, dated 1 ...