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
