Nerd 2


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Rebreather tested.
Recreational requested.

The world’s first near eye remote display for scuba divers has been redesigned for enhanced flexibility and reliability. In addition to the DiveCAN and Fischer versions, OC divers can now experience the freedom the NERD 2 has to offer. The universal regulator mount allows divers to secure the NERD 2 within their line of sight and dive with the security of knowing their crucial dive information with a glance of the eye.

From the combination of the Micro LCD display and the magnifying lens, the data on the NERD 2 appears as if you were looking at a 25 inch TV 12 feet away.


    • Rechargeable Battery
    • Refined Compact Design
    • 2 Button Interface
    • 1000 Hour Dive Log

NERD 2 Mount Options

An important and unique feature of the NERD 2 dive computer is that it requires a mount to keep it properly positioned. The NERD 2 is packaged with either a mount option for a closed circuit rebreather or open circuit regulator.

The same 2 hole pattern that was part of the NERD 1 is built into bottom of all NERD 2 dive computers. This will allow compatibility with NERD 1 original mounts. It will also allow for the option of custom made mounts that could be created for masks, helmets, or full face masks. Additional details for this can be found in the NERD 2 manual.



Rechargeable Lithium Ion Battery



The NERD 2 connects to a charging clip which snaps on the back of the computer. The charge clip is splash proof.

The charging clip connects to any USB cable.

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


Closed Circuit/Bailout
5 OC/5 CC gases
Trimix enabled
Constant PO2 for closed circuit

External Monitoring

Real time PPO2 monitoring of 1 – 3 O2 sensors
This includes semi-closed rebreathers

Digital Compass

Optional 3 axis, tilt compensated, digital compass
Available in all modes


Depth, time, resettable stop watch function
Full dive logging

Simple and Powerful


Line-Of-Sight Information

All of the information you need at a glance.


Custom Design

The removal of the brainbox makes the NERD 2 the smallest Shearwater dive computer to date.

Rechargeable Battery

With a minimum of 18 dive hours on a full charge with medium brightness (recharge time 4 hours).

The typical battery life is 5 years or 500 charge cycles.

The battery can be replaced at authorized service centers. The cost of replacement is $100 CAD + shipping.

The turn around time for replacement is 5 business days after receipt of payment, excluding shipping time. The battery replacement includes inspection, functional testing and pressure testing.

If the battery is not meeting performance specifications within the 2-year warranty period it will be replaced free of charge. Variations to battery lifespan can be expected due to operating at extremes of the rated specification, such as high environmental temperatures or repeatedly fully discharging the battery.


Two Button Interface

Simple to navigate, state-aware menu structure.


Digital Compass

Optional 3 Axis, tilt compensated, digital compass.
Available in all modes.

AI Functionality

Capable of displaying tank pressure in all modes (transmitter sold separately).




Bluetooth® Wireless Technology Integration

This enables communication with Mac, Windows, iOS

Technical Specs

OC Rec 3 gas nitrox recreational computer
OC Tec Multi gas, trimix decompression computer
CC INT Closed circuit fixed PPO2
(Fischer only)
Closed circuit real time monitoring of 1 or 3 O2 sensors
(Fischer only)
Semi-closed monitoring of PPO2 for 1-3 O2 sensors
Gauge Bottom timer with stop watch and dive logging



Decompression Computer Included
Open Circuit Included
Trimix / Nitrox / Air Compatible Included
Bühlmann Gradient Factors Included
Rebreather Included
Closed Circuit Fixed PPO2 Included
Closed Circuit External PPO2 Included
Semi-Closed Circuit External PPO2 Included
Gauge Mode Included
3 axis, tilt compensated digital compass Included
Bluetooth® wireless technology Included
Upgradeable Firmware Included
Air Integration Included
Number of Transmitters Up to 4
OC Mount Kits
CC Mount Kits



Screen Resolution 320×240
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)
(WxDxH) 33mm x 85.81mm x 44mm
Weight 74g 148g
Ballistic Nylon Case Included
(WxDxH) 240mm x 240mm x 60mm
Weight 313g

Additional information


Nerd 2 Stand Alone (OC or Backup), Nerd 2 Divecan Monitor 5 Pin (standard), Nerd 2 Divecan Monitor 5 Pin (JJ-CCR), Nerd 2 Divecan Monitor AK 4 Pin, Nerd 2 Divecan Monitor Fischer


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