Petrel II Fischer

Shearwater Dive Computers

Petrel II Fischer


Rugged and Reliable

The Petrel 2 Fischer features all the modes of the Petrel 2 and incorporates a fischer connector for integration into rebreathers for primary or redundant PPO2 monitoring with full decompression.


SKU: Shearwater Petrel II Fischer Categories: ,


petrel 2 fischer technical dive computer

Multiple Diving Modes


Petrel 2 Nitrox Dive Computer OC Recreational Mode Screen

OC Recreational

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

Petrel 2 Tech Dive Computer OC Technical Mode

OC Technical

5 OC gases Trimix enabled by default

Petrel 2 Rebreather Dive Computer CC Mode


5 OC/5 CC gases
Trimix enabled
Constant PO2 for closed circuit

tech dive computer

External Monitoring

Real time PPO2 monitoring of 1 – 3 O2 sensors
This includes semi-closed rebreathers

nerd digital compass on technical dive computer

Digital Compass

Optional 3 axis, tilt compensated, digital compass
Available in all modes

tech diving computer gauge mode


Depth, time, resettable stop watch function
Full dive logging

Simple and Powerful

Large and Easy to Read dive computer display

Large, easy-to-read display

2.4″ bright and clear full colour display

Two Button Interface

Two Button Interface

Easy to navigate, state aware menu structure

Petrel 2 User Replaceable Battery

User Replaceable AA Battery

The Petrel works with any type of standard AA battery


nitrox dive computer

Digital Compass

Three Axis, tilt compensated, digital compass

bluetooth dive computer

Bluetooth Integration

Smart ready Bluetooth for communication with PC, Mac, iPod and iPad

Multiple Languages

Languages include: English, French, Simplified Chinese, Traditional Chinese, German, Korean, and Japanese

Desktop Control


Analyze your dive log, deco profile, temperature and more.

Download and display dive logs quickly using Bluetooth technology.

You can display as much or as little information as you need.

Technical Specs

OC Rec 3 gas nitrox recreational computer
OC Tec Multi gas, trimix decompression computer
CC INT Closed circuit fixed PPO2
CC EXT Closed circuit real time monitoring of 1 or 3 O2 sensors
SCR EXT Semi-closed monitoring of PPO2 for 1-3 O2 sensors
Gauge Bottom timer with stop watch and dive logging
User Replaceable AA Battery
Air, Nitrox, Trimix capable
Quick OC bailout from CC
Digital Compass: 3 axis, tilt compensated
Dive Planning
Buhlmann GF algorithm
Optional VPM-B algorithm
Dive Logging
Upgradeable Firmware
Smart Ready Bluetooth Interface
Zippered Pouch


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