Petrel 3

Shearwater Petrel 3 Technical Dive Computer – Rugged Professional Design

The Shearwater Petrel 3 Technical Dive Computer is a robust, expedition-ready dive computer engineered for serious technical divers. Known for its reliability and clarity, the Petrel 3 features a large full-color screen, intuitive controls, and Shearwater’s trusted Bühlmann ZHL-16C decompression model. Built in Canada and designed to perform in the most demanding environments, it delivers uncompromising performance for deep, mixed-gas, and decompression diving.

Key Features

• Rugged, shock-resistant housing built for technical diving

• Bühlmann ZHL-16C decompression algorithm with gradient factors

• User-replaceable AA battery (alkaline or lithium)

• Vibration alerts for critical dive notifications

• Wireless air integration support (with compatible transmitter)

Display and User Interface

• Large full-color LCD with excellent visibility in low light

• Simple two-button interface with logical menu navigation

• Customizable display layout for critical dive information

Diving Modes and Capabilities

• Air, Nitrox, Trimix, CCR, and Gauge modes

• Supports multiple gas switches during the dive

• Open-circuit and closed-circuit rebreather compatibility

• Adjustable conservatism and gradient factor control

Extras for Technical Divers

• Integrated digital compass with tilt compensation

• Dive log download via Bluetooth

• Firmware upgrades supported directly by Shearwater

Perfect For

• Technical and decompression divers

• Trimix and multi-gas diving

• CCR and advanced open-circuit divers

• Divers who demand maximum reliability and clarity

What's In The Box

• Shearwater Petrel 3 dive computer

• Bungee mount and wrist strap

• USB charging and data cable