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Nerd 2

Shearwater NERD 2

The Shearwater NERD 2 is an advanced hands-free technical diving computer for open and closed circuit divers .

Features:

Depth, time and oxygen sensor display
Bühlmann decompression model with gradient factors conservatism
Optional VPM-B decompression model
Imperial and metric displays
Available in Standalone, Fischer and DiveCAN models
Any combination of oxygen, nitrogen, and helium (Air, Nitrox, Trimix)
Open and closed circuit, switchable during a dive External (EXT) PPO2 monitoring from 1, 2 or 3 cells
Internal PPO2 mode with 2 set-points, each of which can be set between .4 and 1.5
Two PPO2 set-points, each of which can be set between .4 and 1.5
Automatic PPO2 set-point switching (configurable) 5 CC and 5 OC gases
Gases can be changed and added during a dive
CNS tracking
No lockout from violating deco stops
Rechargeable lithium-ion battery providing up to 18 hours of dive time
Tilt compensated digital compass
1000 hour dive log memory
Log downloads and firmware upgrades using Bluetooth
A menu system that adapts to diving status
Dual-transmitter Air integration
Auto turn-off after 15 minutes on the surface
Depth sensor rated to 140msw (450 fsw)