heliair

Noun

Meaning

heliair (plural heliairs)

(underwater diving) A mixture of helium, nitrogen and oxygen, used as a breathing gas instead of normal air.

Examples

Heliair will always have less than 21% oxygen, and will be hypoxic (less than 17% oxygen) for mixes with more than 20% helium. Source: Internet

Heliair blends are similar to the standard Trimix blends made with helium and Nitrox 32, but with a deeper END at MOD. Source: Internet

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