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Shearwater Research NERD 2 - DiveCAN Monitor AK (4-Pin) - Two Transmitters - iQsub X-CCR Rebreather. The Shearwater Research NERD 2 DiveCAN Monitor AK (4-Pin) is a heads up (HUD) dive computer. The Near Eye Remote Display (NERD) incorporates a powerful feature set, easy to understand menus, easy to read full-colour display, and a special optics and mounting system that projects the equivalent of the Shearwater dive computer as a heads up display directly in the eye of the diver. This model incorporates a connector to support CAN bus technology for integration into JJ, O2ptima and Prism2 rebreathers.
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The Shearwater NERD 2 Monitor AK (4-Pin) is a full decompression dive computer incorporating the functionality of the Shearwater Research Perdix AI, but with a display mounted on the diver's rebreather mouthpiece. Recent models of the JJ-CCR, Dive Rite O2ptima, Hollis Prism 2, and iQsub X-CCR rebreathers use a Shearwater electronics package incorporating CAN-bus technology. The standard LED HUD that comes with the electronics can be upgraded to a full Shearwater NERD 2 dive computer HUD by unplugging the LED HUD and plugging in the NERD. Each of the CAN bus NERD 2 interfaces is specific for a particular brand rebreather, so you will need to select appropriately.
This revolutionary device keeps crucial information in your line-of-sight for the entire dive. Thanks to the Micro LCD display and magnifying lens, the data appears as if displayed on a 32" TV screen 12" away, with no need to focus. If you can watch a TV without glasses, and even if you have a bifocal lens mask for reading gauges, you should have no problem seeing the NERD 2. The display is unobtrusive as it virtually disappears when you look straight ahead. The numbers are there when you need them at any point during the dive, and out of the way when you don't. The full-colour display is used to convey additional meaning with the information being displayed. When information is yellow or red, it calls the diver's attention to an unusual value or problem.
During a decompression dive, the Shearwater NERD 2 Monitor AK (4-Pin) provides complete information displays of all required stop times. The NERD 2 can provide time-to-surface based on "look ahead" at planned gas switches. Multiple gas definition presets are supported with any combination of oxygen, nitrogen and helium.
The Shearwater NERD 2 Monitor AK (4-Pin) will NOT "lockout" after a missed stop or ascent rate violation.
Out of the box, the Shearwater NERD 2 Monitor AK (4-Pin) includes open-circuit and closed-circuit Air, Nitrox and Trimix mixed gas functionality along with several enhanced navigation features for the three-axis tilt-compensated digital compass. The standard firmware supports English language menus and both imperial/metric units of measure.
The Shearwater NERD 2 Monitor AK (4-Pin) is capable of wirelessly connecting to either one or two optional transmitters giving the diver ability to monitor up to two tank pressures. Air integration is optional for all modes, from OC Rec to CC/BO. The tank pressure(s), in PSI or BAR, and GTR can be displayed to the customisable slots on the main display screen or accessed through the underlying information screens. Enabling the AI feature causes approximately 10% decrease in battery life.
After the dive, the Shearwater NERD 2 Monitor AK (4-Pin) communicates via next-generation Bluetooth Smart Ready with iOS devices such as the iPad and iPhone. In addition to current Shearwater and third party support for Mac and PC desktop applications, users are able to download dives using their iOS devices in conjunction with third-party applications. The NERD 2 incorporates a built-in lithium-ion rechargeable battery. Users can expect a minimum of 18 dive hours, on medium brightness, from a fully charged NERD 2 and 5 charges from the charge bank.
Included with every Shearwater NERD2 DiveCAN Monitor AK (4-Pin) from The Scuba Doctor are a mounting clamp, recharging clip, charging bank, USB cable, and printed Quick Start Guide with instructions for downloading software from the Shearwater Research website. The software includes a complete dive log manager, compatible with both MS Windows and MAC OS X. The dive log manager supports log downloads and firmware updates via the Bluetooth wireless interface. An optional VPM-B unlock code enables using the Varying Permeability Model (VPM-B and VPM-B/GFS) algorithm for calculating decompression.
Shearwater Research NERD 2 DiveCAN Monitor AK (4-Pin) Features
- Technical dive computer with a "Heads Up Display"
- Crucial data in your line-of-sight for the entire dive
- Full colour display with magnifying lens is easy to read
- Air, Nitrox and Trimix mixed gas for OC or CCR
- Feature rich with the latest diving technology
- DiveCAN Monitor AK (4-Pin) connector for JJ-CCR, Dive Rite O2ptima, Hollis Prism 2, and iQsub X-CCR rebreathers (please specify)
Shearwater Research NERD 2 DiveCAN Technical Features
- Depth, time and oxygen
- sensor display
- Bühlmann decompression model with gradient factors conservatism
- Optional VPM-B decompression model
- Imperial and metric displays
- NERD 2 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
- 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 140 msw (450 fsw)
Multiple Diving Modes
OC Recreational
Three gas nitrox computer with features for the serious recreational diving enthusiast. Includes adaptive safety stop and NDL bar graph.
OC Technical
5 OC gases Trimix enabled by default.
CC/BO
Closed Circuit/Bailout, 5 OC/5 CC gases, Trimix enabled, Constant PO2 for closed circuit.
External Monitoring
Real-time PPO2 monitoring of 1 to 3 O2 sensors. This includes semi-closed rebreathers.
Digital Compass
Optional 3 axis, tilt compensated, digital compass. Available in all modes.
Gauge
Depth, time, resettable stopwatch function. Full dive logging.
Shearwater Research NERD 2 DiveCAN Technical Specs
Modes | |
---|---|
OC Rec | 3 gas nitrox recreational computer |
OC Tec | Multi gas, trimix decompression computer |
CC INT | Closed circuit fixed PPO2 |
CC EXT (Fischer only) |
Closed circuit real time monitoring of 1 or 3 O2 sensors |
SCR EXT (Fischer only) |
Semi-closed monitoring of PPO2 for 1-3 O2 sensors |
Gauge | Bottom timer with stop watch and dive logging |
Features | Nerd 2 SA | Nerd 2 Fischer |
---|---|---|
Decompression Computer | Yes | Yes |
Open Circuit | Yes | Yes |
Trimix / Nitrox / Air Compatible | Yes | Yes |
Bühlmann Gradient Factors | Yes | Yes |
Rebreather | Yes | Yes |
Closed Circuit Fixed PPO2 | Yes | Yes |
Closed Circuit External PPO2 | Yes | |
Semi-Closed Circuit External PPO2 | Yes | |
Gauge Mode | Yes | Yes |
3 axis, tilt compensated digital compass | Yes | Yes |
Bluetooth Smart | Yes | Yes |
Upgradeable Firmware | Yes | Yes |
Air Integration | Yes | Yes |
Number of Transmitters | 1 or 2 | 1 or 2 |
Optional Add-Ons & Accessories |
---|
VPM-B |
OC Mount Kits |
CC Mount Kits |
Specifications | Nerd 2 SA | Nerd 2 Fischer |
---|---|---|
Screen Resolution | 320x240 | |
Display Type | QVGA | |
Battery Type | Rechargeable Li-Ion Battery | |
Battery Life | 18 Hours (Medium Brightness) | |
Battery Replacement | 5 Years (or 500 charge cycles) | |
Number of Gases | 5 OC / 5 CC | |
Rebreather Connectivity | n/a | Fischer 103, 7-pin |
Dive Log | 1,000 Hours | |
Depth Rating | 300m (985ft) | |
Dimensions | ||
Computer | ||
(WxDxH) | 33mm x 85.81mm x 44mm | |
Weight | 74g | 148g |
Ballistic Nylon Case | ||
(WxDxH) | 240mm x 240mm x 60mm | |
Weight | 313g |
NERD 2 Rebreather Mount
NERD 2 Open Circuit Mount
In the Box
- CCR/SCR Mounting Kit
- USB Charging Cable
- Power Bank
- BlueTooth Dongle
- Case
- Rechargeble Battery
- Spare O-rings
Please Note: We try to keep Shearwater Research products in stock. As we source them direct from Shearwater Research in Canada, it can take 5 to 10 days for more stock to arrive if we run out.
Warranty Information:
This product has a limited warranty of two (2) years.
Please download/read the Shearwater Research Nerd 2 Brochure (PDF, 2 pages, 1 Mb).
Please download/read the Shearwater Research Nerd 2 Operating Instructions Manual (PDF, 117 pages, 11 Mb). This manual provides operating instructions for the following NERD 2 Models:
- Stand Alone Model (SA)
- Fischer Connector Model
- DiveCAN Rebreather Controller
- DiveCAN Rebreather Monitor
Note: This item cannot be delivered outside of Australia.
(09/22 AG)