Shearwater NERD 2 Dive Computer

Shearwater NERD 2 SA Dive Computer

True Heads-Up Display Dive Computer for Technical and CCR Divers

The Shearwater NERD 2 (Near Eye Remote Display) is a revolutionary heads-up display (HUD) dive computer that mounts directly to your rebreather or regulator, placing critical dive data right in your line of sight. Designed for technical and CCR divers, the NERD 2 delivers high-end features with maximum situational awareness—without looking down or away from your environment.

It features a custom-built micro LCD display with projected optics, designed for near-eye clarity and visibility in all lighting conditions. With multiple dive modes, full decompression support, and Bühlmann ZHL-16C algorithm with adjustable gradient factors, it provides complete control for open circuit, closed circuit, and gauge diving. Housed in a durable aluminum case with a rechargeable, user-replaceable battery, the NERD 2 is a trusted companion for serious diving missions.

Main Features

• Heads-Up Display – Always-visible dive data without needing to shift focus
• Micro LCD with Projected Optics – Custom display built for clear near-eye viewing
• OC/CC Modes – Supports open-circuit, fixed PPO₂, and real-time PPO₂ monitoring (CCR)
• Bühlmann ZHL-16C Algorithm – With adjustable gradient factors and multi-gas support
• Rechargeable Battery – User-replaceable and rechargeable via magnetic charging cable
• 3D Tilt-Compensated Digital Compass – Built-in navigation functionality
• Bluetooth Connectivity – Sync with Shearwater Cloud for logbook and updates
• Rugged Construction – Anodized aluminum body, sealed and tested to 300 m

Technical Specifications

• Display: Micro LCD with projected optics
• Dive Modes:
  • OC Rec (Air/Nitrox)
  • OC Tec (Trimix)
  • CCR (Fixed and real-time PPO₂)
  • Gauge mode
• Gases Supported: Up to 5 OC and 5 CC
• Decompression Model: Bühlmann ZHL-16C with GF settings
• Depth Rating: 300 m / 985 ft
• Battery: Rechargeable lithium-ion, user-replaceable
• Charging: USB magnetic charging connector
• Construction: Anodized aluminum housing
• Mounting Options: Rebreather (T-piece) and full-face mask brackets available
• Connectivity: Bluetooth Smart (Shearwater Cloud support)
• Logbook Capacity: Up to 1,000 hours

The Shearwater NERD 2 is a highly specialized dive computer that brings critical dive information right into your field of vision. Built for CCR and advanced technical divers, its projected micro LCD, intelligent decompression management, and rugged reliability make it one of the most trusted HUD systems in diving. Whether you're exploring caves, deep wrecks, or rebreather missions, the NERD 2 keeps your data visible, your dive under control, and your focus where it belongs—underwater.