Petrel 2 EXT (Fischer Port)

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  • $ 1,158.21

This is the Shearwater Petrel 2 Dive Computer. This is the model with a built in Fischer port, allowing monitoring of 1,2 or 3 oxygen sensors.
Shearwater Petrel Logo

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.


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
Screen Resolution 320x240 QVGA
Display Type Full colour LED LCD
Battery Type Single AA (any type)
Battery Life
AA Alkaline 35 Hours
SAFT LS14500 100 Hours
Number of Gases 5 OC / 5 CC
Computer (WxHxD) 83x74x39mm (3.3"x2.9"2.15")
Package (WxHxD) 120x100x77mm (4.7x3.9"x3")
Dive Log 1000 Hours
Computer 260g (0.57lbs)
Package 380g (0.83 lbs)