Jef Mangelschots
New
Just started using the Petrel 2. Very nice computer.
When looking at the logs, I noticed the ppO2 (green line) was varying between 0.2 and 0.4 atm.
This was an OC Tec dive with a single tank of 21/00 air at sea level.
From other posts, I understand you use the ambient air pressure times the F02 (21% in this case). But how does it adjust for surface ambient air pressure during a dive.
I was expecting the ppO2 and ppN2 to remain constant on an OC dive.
When looking at the logs, I noticed the ppO2 (green line) was varying between 0.2 and 0.4 atm.
This was an OC Tec dive with a single tank of 21/00 air at sea level.
From other posts, I understand you use the ambient air pressure times the F02 (21% in this case). But how does it adjust for surface ambient air pressure during a dive.
I was expecting the ppO2 and ppN2 to remain constant on an OC dive.