Thanks for the link.
I don't think the megalodon is really measurable because the pressure on the Schrader valve is spread over a huge (and variable) area of counter lung. If I had a way to measure the kiss diaphragm I would.
I generally keep my adv shut off unless I am descending or scootering. 50mbar is 20 inches or 50cm of water. Both my units are almost for sure less tight than this.
I don't think the megalodon is really measurable because the pressure on the Schrader valve is spread over a huge (and variable) area of counter lung. If I had a way to measure the kiss diaphragm I would.
I generally keep my adv shut off unless I am descending or scootering. 50mbar is 20 inches or 50cm of water. Both my units are almost for sure less tight than this.