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No-decompression dive
NO DEC TIME
OEA = EAN = EANx Abbreviation for Oxygen Enriched Air Nitrox.
OLF
OTU
Oxygen Tolerance Unit
Oxygen Limit Fraction
O
%
2
Oxygen partial pressure
Any dive which permits a direct, uninterrupted ascent to
the surface at any time.
Abbreviation for no-decompression time limit.
Abbreviation for Oxygen Limit Fraction.
Abbreviation for Oxygen Tolerance Unit.
Is used to measure the Whole-Body-Toxicity.
A term used by SUUNTO for the values displayed in the
Oxygen Toxicity bar graph. The value is either the CNS%
or the OTU%.
Oxygen percentage or oxygen fraction in the breathing gas.
Standard air has 21% oxygen.
Limits the maximum depth to which the used Nitrox
mixture can safely be used. The maximum partial pressure
limit for enriched air diving is 1.4 bar. The contingency
partial pressure limit is 1.6 bar. Dives beyond this limit
have the risk for immediate oxygen toxicity.
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