Shearwater Research Petrel 3 AK Model Monitor (4-Pin) Dive Computer

ShearwaterSKU: 220660

Sale price$1,545.00 USD
Shop Open Box or Pre-Owned


The PETREL 3 gives divers our most connected experience. A stunning, easy-to-read, 2.6” AMOLED display is protected by a toughened glass lens, titanium bezel, and piezo touch buttons.

Air integration is standard with up to four Shearwater transmitters to customise a solution from open circuit to rebreather and bailout gas pressure monitoring.

Safety is increased with a strong vibration alert system, and a user-changeable AA battery offers long dive times and ease of replacement.

PETREL 3 is available in standalone or rebreather monitoring models, including DiveCAN, 4-pin AK, and Fischer port connections.

Multiple Diving Modes

Air / Nitrox / 3 Gas Nitrox
Easy and intutive operation out of the box
Optionally air integrated

OC Technical
Trimix enabled by default
Optionally air integrated

Closed Circuit/Bailout
Trimix enabled
Constant PO2 for closed circuit
Optionally air integrated for diluent, oxygen and bailout gases.

Depth, time, resettable stop watch function
Full dive logging
Tank pressure information accessible in the information screens

Simple and Powerful

Large, easy-to-read display
6.60cm / 2.6” bright and clear AMOLED display

Impact resistant toughened aluminosilicate glass screen with superior clarity

Two Button Interface
Easy to navigate, state aware menu structure

User Replaceable AA Battery
The Petrel 3 works with any type of standard AA battery

Digital Compass
Three Axis, tilt compensated, digital compass

Available in all modes

Strong vibration warning alerts

Bluetooth® Wireless Technology
Smart ready Bluetooth® wireless technology for communication with PC, Mac, iPod and iPad

Multiple Languages
Languages include: English, French, Simplified Chinese, Traditional Chinese, German, Portuguese, Korean, Japanese, Italian, and Spanish.

Cloud Control

Analyze your dive log, deco profile, temperature and more.
Download and display dive logs quickly using Bluetooth® wireless technology.
You can display as much or as little information as you need.
Available in 13 languages


Air / Nitrox / 3 Gas Nitrox:   3 gas nitrox recreational computer
OC Tec:   Multi gas, trimix decompression computer
CC / BO:   Closed circuit fixed PPO2
Gauge:   Bottom timer with stop watch and dive logging


(WxHxD):   83mm x 75.5mm x 39mm (3.3” x 2.97” x 1.5”)
Weight:   266g (9.38 oz)
Ballistic nylon case:   (WxHxD) 130 x 105 x 70 mm (5.1”x 4.1” x 2.8”)
Weight:   115g (0.25 lbs)

User Replaceable AA Battery
Air, Nitrox, Trimix capable
Quick OC bailout from CC
3 axis, tilt compensated, digital compass
Dive Planning
Bühlmann GF algorithm
Vibration motor alerts
Aluminosilicate toughened glass
Optional VPM-B, Optional DCIEM
Dive logging
Upgradeable firmware
Bluetooth® wireless technology
Optional air integration
Up to 4 transmitters (optional)


Screen Resolution:   320x240
Display Type:   AMOLED
Display Size:   6.60cm / 2.6”
Battery Type:   Single AA (any type)
Battery Life:   Lithium 1.5V  up to 60 Hours
Number of Gases:   5 OC / 5 CC
Dive Log:   1,000 Hours
Depth Rating:   290m / 950ft


Battery type (user replaceable):   3V CR2 Lithium
Battery life:   up to 300 Hours
Depth rating:   200m / 656ft
Wireless mode:   Low Frequency RF 38kHz

Estimate shipping

CA Residents: Prop 65 Warning(s)

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