Shearwater NERD 2 Monitor (4-Pin) Dive Computer

The Shearwater NERD 2 Monitor (4-Pin) is the heads-up NERD 2 dive computer built for 4-pin (analog) closed-circuit rebreathers. Its universal CCR mount fits most rebreather loops, keeping PPO2 and deco data in your line of sight.

It's designed and built in Canada.

Key Features

• Modes: Air, Nitrox, 3 Gas Nitrox, OC Tec (multi-gas trimix), CC INT (fixed PPO2), CC EXT (real-time monitoring of 1 or 3 O2 sensors), SCR EXT (semi-closed PPO2 monitoring of 1-3 sensors) and Gauge
• Near-eye heads-up display keeps depth, time, deco and gas data in your line of sight
• Micro LCD and magnifying lens make the screen read like a 25-inch TV seen from 12 feet away
• Bühlmann gradient factor decompression algorithm
• 3-axis, tilt-compensated digital compass
• Air integration with up to 4 Shearwater transmitters (sold separately)
• Bluetooth wireless technology for downloading dives
• Upgradeable firmware
• Simple two-button, state-aware menus
• Rechargeable battery via a charging clip that snaps onto the back of the computer

Specifications

• Model: NERD 2 Monitor AK (4-Pin) (12516)
• Rebreather connection: 4-pin (analog)
• Mount: CCR mount fits 55-61 mm rebreather loop
• Display: micro LCD with magnifying optics, 320 x 240 QVGA
• Battery: internal rechargeable Li-ion, approx. 1.3 Wh
• Battery life: 18 hours at medium brightness
• Battery replacement interval: 5 years or 500 charge cycles
• Gases: 5 open circuit / 5 closed circuit
• Dive log: 1,000 hours
• Depth rating: 300 m / 985 ft
• Computer size: 33 x 85.81 x 44 mm
• Computer weight: 74 g
• Manufacturer warranty: 2 years

What's Included

• NERD 2 Monitor (4-Pin)
• CCR mount kit
• Charging clip
• Charging cable
• Screen protector
• Inspection checklist card
• Product info guide

Note: Shearwater doesn't provide wiring support or advice on whether a model suits a particular rebreather, so check with your rebreather manufacturer's service center first.