:: 4 XSTREAM
USER MANUAL :: ENGLISH
INTRODUCTION
Oxygen: any gas mixture containing greater than 21% oxy-
gen up to 99.95% oxygen.
Trimix: a gaseous mix containing Oxygen, Nitrogen and
Helium.
EAN 50: any gas mixture containing greater than 21% oxy-
gen up to 50%. Enriched Air Nitrox.
IP: Interstage pressure; the pressure existing between the
1st stage and the 2nd stage valve.
HP: High pressure; the pressure inside the SCUBA cylinders,
normally ranging between 300 bar (4351 psi) to 10 bar (145
psi)
Scfm: standard cubic feet per minute.
l/min STPD: standard temperature and pressure dry gas.
T.D.A: Thermo Dynamic Anti-Freeze
DEFINITIONS/ABBREVATIONS
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