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
CC/BO
Closed Circuit/Bailout
Trimix enabled
Constant PO2 for closed circuit
Optionally air integrated for diluent, oxygen and bailout gases.
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
Comparison
| PRODUCT NAME | PETREL 3 | PERDIX 2 | TERIC |
|---|---|---|---|
| PRODUCT IMAGE | ![]() |
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| BEST SUITED FOR | DEMANDING DIVER (All types) |
DEMANDING DIVER (All types) |
DEMANDING DIVER (All types) |
| KEY FEATURES | Powerful computer with advanced feature set, bigger screen display, air integration, vibration alerts and user replaceable battery | Powerful computer with advanced feature set, air integration, vibration alerts and user replaceable battery | Powerful dive computer in a wristwatch size with full colour AMOLED screen, air integration and advanced feature set |
| DIVE MODE TYPES | Air (Simple air mode for everyday diving) Nitrox (Up to 40%) 3 Gas Nitrox (Up to 100% O2) Gauge |
Air / Nitrox / 3 Gas Nitrox OC Tec (Trimix Enabled) CC/BO (Fixed PPO2) Gauge |
OC Rec OC Tec (Trimix Enabled) CC/BO (Fixed PPO2) Free Diving Gauge |
Technical Specs

| MODES (ALL AI OPTIONAL) | |
|---|---|
| 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 |
| DIMENSIONS | |
| Computer | |
| (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) |
| FEATURES |
|---|
| User Replaceable AA Battery |
| Air, Nitrox, Trimix capable |
| Quick OC bailout from CC |
| 3 axis, tilt compensated, digital compass |
| Decompression |
| 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) |
| PETREL 3 SPECIFICATIONS | |
|---|---|
| Screen Resolution | 320x240 |
| Display Type | AMOLED |
| Display Size | 6.60cm / 2.6” |
| Battery Type | Single AA (any type) |
| Battery Life | |
| AA Alkaline | up to 40 Hours |
| SAFT LS14500 | up to 100 Hours |
| Number of Gases | 5 OC / 5 CC |
| Dive Log | 1,000 Hours |
| Depth Rating | 290m / 950ft |
| SWIFT TRANSMITTER SPECIFICATIONS | |
| Battery type (user replaceable) | 3V CR2 Lithium |
| Battery life | up to 300 Hours |
| Depth rating | 200m / 656ft |
| Wireless mode | Low Frequency RF 38kHz |






