optional, single

—

The "equivalent air depth" in metres of a breathing gas, given as a real number.

<mix>

—

<breathingconsumptionvolume>, <gasdefinitions>, <maximumoperationdepth>, <mix>

(see also <mix>, and <gasdefinitions> respectively)

<-- 40.0 metres equivalent air depth -->
<equivalentairdepth>40.0</equivalentairdepth>