Description

This is rigorous and the chosen computer for the hardy Tech Diver, Petrel 3. 

OC Recreational
Three gas nitrox computer with features for the serious recreational diving enthusiast. Includes adaptive safety stop and NDL bar graph

OC Technical
5 OC gases Trimix enabled by default

CC/BO
Closed Circuit/Bailout
5 OC/5 CC gases
Trimix enabled
Constant PO2 for closed circuit

Gauge
Depth, time, resettable stop watch function
Full dive logging