Petrel 3 – Professional-Grade Technical Dive Computer

The Shearwater Petrel 3 is a rugged, full-featured technical dive computer engineered for demanding divers who rely on precise decompression tracking, multi-gas capability, and outstanding underwater readability. Featuring a strengthened aluminosilicate glass display, a titanium bezel, powerful vibration alerts, and optional air integration, the Petrel 3 is built to handle deep, complex, and overhead dive environments with uncompromising reliability.

Its large, high-contrast AMOLED screen provides exceptional clarity in low visibility, silt-outs, and night conditions. A simple two-button interface keeps navigation consistent and predictable, while Shearwater’s proven Bühlmann algorithm with gradient factors supports everything from recreational profiles to advanced multi-gas trimix and CCR diving.

Key Features

• Large full-colour AMOLED display with exceptional brightness and clarity
• Reinforced aluminosilicate glass for improved impact resistance
• Titanium bezel and rugged housing designed for harsh environments
• Optional air integration with support for multiple Swift transmitters
• Full trimix decompression capability with gradient factors
• Supports both OC and CCR diving, including fixed PPO? modes
• Strong vibration alerts for depth, ascent rate, and critical notifications
• Bluetooth connectivity for logs and firmware updates
• Two-button interface for simple, glove-friendly operation

Dive Modes

• Air
• Nitrox
• Trimix
• CCR (fixed PPO?)
• Gauge / bottom timer

Technical Specifications

• Display type: High-contrast AMOLED
• Screen material: Hardened aluminosilicate glass
• Bezel: Titanium for corrosion resistance and durability
• Battery type: User-replaceable AA (lithium recommended)
• Battery life: Long runtime depending on battery type and settings
• Gas mixes: Multiple gases including helium-based mixes
• Algorithm: Bühlmann ZHL-16C with adjustable gradient factors
• Air integration: Compatible with Shearwater Swift transmitters
• Connectivity: Bluetooth wireless syncing
• Depth rating: Suitable for deep technical and overhead environments
• Controls: Two-button navigation
• Construction: Engineered to withstand rugged use, travel, and expedition diving

What’s Included

• Petrel 3 dive computer
• Protective storage case
• Wrist strap and bungee mounting options
• Screen protector
• Quick-start documentation

Sold by Southern Maryland Divers as an authorized Shearwater dealer – full manufacturer warranty included.