OMS Airstream Evoque Regulator, Owner'S Manual

Page: 4 / 33

4
section of the manual.
To do otherwise increases your risk of injury or death.
WARNING
The regulator is not intended to be used by untrained persons who may not know the
inherent risks and hazards of SCUBA diving.
Prior to use of the regulator equipment with nitrogen-oxygen (Nitrox) breathing gas mixtures
that contain a higher fraction of oxygen than 22%, the user must have received, or must first
obtain, certification in diving with Nitrox from a recognized training agency
When the breathing mixture contains oxygen content greater than 22 %, you must use a
nitrox demand regulator according to EN 13949
The regulator is not a medical device. It is not intended and must not be used to supply
treatment oxygen in a medical emergency.
When using air with this regulator equipment, the air used must meet EN12021 Annex A
standards. Comply with EN250:2014
Per the European Standard, EN 12021 Annex A, the following applies:
Composition of Air
Table A.1- Composition of natural air
Components
Molar mass M (
kg·kmol
-1
)
Volume (%)
Oxygen ( O
2
) 31,998 8 20,946 6
Nitrogen ( N
2
) 28,013 4 78,084
Argon (Ar) 39,948 0,934
Carbon dioxide (C O
2
) 44,009 95
a
0,031 4
Hydrogen ( H
2
) 2,015 94 50 x 10
-6
Neon (Ne) 20,183 1,8 x 10 -3
Helium (He) 4,002 6 524 x 10
-6
Krypton (Kr) 83,80 114 x 10
-6
Xenon (Xe) 131,30 87 x 10
-6
a Since 1975 CO
2
level has increased.