Petrel Tissues Demo

A demo of a decompression dive showing the tissue bar graphs on the Shearwater Petrel trimix computer. The graphs show combined nitrogen and helium loading in terms of decompression risk.

Why divers recommend it

Divers strongly recommend it as the clearest explanation of the tissue graph and of gradient factors.

Discipline

Gear, Deco theory

Level

Advanced

Type

Gear and configuration

GUE

Matches GUE practice

Aged

Demonstrates a 2012 Petrel firmware feature; current Shearwater computers have changed.