Shearwater NERD 2 Dive Computer

Shearwater | SKU: 12501

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$1,950.00

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Model

SA DiveCAN Monitor (5-Pin) DiveCAN Monitor (5-Pin) - JJ DiveCAN Monitor (5-Pin) - O2ptima Monitor AK (4-Pin) Fischer

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Description

The Shearwater NERD 2 is an advanced dive computer in a heads-up display format — the world's first Near Eye Remote Display for scuba divers, redesigned for enhanced flexibility and reliability. A micro LCD display combined with a magnifying lens makes the data appear as if viewed on a 25-inch TV from 12 feet away, so divers can check crucial dive information with a glance of the eye while keeping both hands free. The universal regulator mount on the stand-alone model fits most regulators (17-21 mm hose), and two hole patterns allow custom mounts and compatibility with NERD 1 mounts.

Dive modes include Air, Nitrox, 3 Gas Nitrox, OC Tec (a multi-gas trimix decompression computer), CC INT fixed PPO2 for closed circuit rebreather diving, and Gauge with stopwatch and dive logging, supporting 5 open circuit and 5 closed circuit gases on the Buhlmann Gradient Factors decompression algorithm. Air integration displays tank pressure from up to four transmitters in all modes, and a 3-axis tilt-compensated digital compass aids navigation. The internal rechargeable Li-ion battery delivers 18 hours of dive time per charge via a snap-on charging clip and USB cable, and Bluetooth wireless technology connects to Shearwater Cloud for dive logging and firmware updates. Depth-rated to 300 m (985 ft), the NERD 2 is offered as a stand-alone (SA) unit plus Fischer, DiveCAN Monitor (5-pin), and Monitor (4-pin) rebreather-connected models.

Near-eye heads-up display: data appears like a 25-inch TV viewed from 12 feet away
Hands-free access to depth, decompression, and tank pressure information
Buhlmann Gradient Factors algorithm with trimix support and 5 OC / 5 CC gases
Dive modes: Air, Nitrox, 3 Gas Nitrox, OC Tec, CC INT (fixed PPO2), and Gauge
Air integration with up to 4 wireless transmitters, shown in all modes
3-axis, tilt-compensated digital compass on the heads-up display
Rechargeable Li-ion battery: 18 hours of dive time, USB charging clip included
Depth-rated to 300 m (985 ft); universal OC regulator mount fits 17-21 mm hoses
Bluetooth wireless technology for Shearwater Cloud dive logging and firmware updates
Models: SA (stand-alone), Fischer, DiveCAN Monitor (5-pin), and Monitor (4-pin)

Features

Heads-up display Micro LCD (QVGA 320 x 240) with magnifying lens; data appears like a 25-inch TV at 12 feet with advanced optics for minimal eye strain.
Hands-free design Mounts in the diver's line of sight for constant access to dive data without lifting a wrist.
Algorithm Buhlmann Gradient Factors decompression computing with trimix support and 5 OC / 5 CC gases.
Dive modes Air, Nitrox, 3 Gas Nitrox, OC Tec (trimix), CC INT fixed PPO2, and Gauge.
Air integration Displays tank pressure from up to 4 transmitters in all modes.
Battery Internal rechargeable Li-ion; 18 hours of dive time per charge via snap-on USB charging clip.
Depth rating 300 m (985 ft) — the deepest rating in the Shearwater lineup.
Mounting Universal OC regulator mount (17-21 mm hose) plus two hole patterns for custom and NERD 1 mounts.
Compass 3-axis, tilt-compensated digital compass available in all modes.
Connectivity Bluetooth wireless technology with upgradeable firmware and a simple two-button interface.

Specifications

Feature	Details
Display	Near-eye QVGA micro display, 320 x 240 resolution; appears equivalent to a 25-inch TV at 12 feet
Depth Rating	300 m / 985 ft
Battery	Internal rechargeable Li-ion, approx. 1.3 Wh
Battery Life	18 hours of dive time (medium brightness); typical battery lifespan 5 years or 500 charge cycles
Charging	Snap-on charging clip with USB cable (included)
Dive Modes	Air, Nitrox, 3 Gas Nitrox, OC Tec (trimix), CC INT (fixed PPO2), Gauge
Number of Gases	5 open circuit / 5 closed circuit
Decompression Algorithm	Buhlmann ZHL-16C with Gradient Factors; optional VPM-B and DCIEM
Air Integration	Up to 4 wireless transmitters, displayed in all modes
Compass	3-axis, tilt-compensated digital compass
Wireless Connectivity	Bluetooth wireless technology; connects to Dive Shearwater and Shearwater Cloud
Buttons	2 piezo-electric buttons
Mounting	Universal OC regulator mount fits 17-21 mm hose; hole patterns compatible with NERD 1 mounts
Dive Log Capacity	1000 hours
Dimensions & Weight	33 x 85.81 x 44 mm; 74 g
Warranty	2-year warranty

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WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Pay the extra

It may cost a little more but compared to the Scubapro Hydros Cargo Thigh Pocket, but it’s a night and day difference. I haven’t heard a complaint about the S-TEK.

The S-Tek is made from heavy-duty 1000D Cordura, to meet the stresses of the environment and hard use. How does this compare to Scubapro Hydros Cargo Thigh Pocket, people complaining the material ripping apart at the seams/stitching after 20 dives.

Mounting uses a stainless steel bolt snap to the waist harness D-ring and an adjustable strap for the thigh, the Hydros uses a plastic hook and strap.

The S-TEK is the largest of the three, measuring approximately 10” x 5” x 3” which is big enough to fit my iPhone 15 in the SeaLife SportDiver Ultra Underwater Housing.

I’m not sure where Scubapro all went wrong with the Hydros and Ninja pocket, but for the price of shipping, I would only purchase the S-TEK.

Affordable Fins

Purchased these from Amazon, before I learned about DiveCatalog.com, so while I paid more, they were still an affordable option while waiting on the warranty repair of my Scubapro Supernova fins. I wear a size 12 shoe (NIKE & New Balance) and the chart recommends XL which matched the Supernova XL fins, but to me, the pocket felt a bit tight, so I returned them for the 2XL. While you “can” wear them without a bootie, I wear Scubapro Go 3mm socks (3XL) and the still fit fine. The are positive buoyancy, although I don’t think as positive as the Supernova, but I feel better knowing they will float instead of falling to the ocean floor while doffing them prior to getting back on the boat.

Love the Supernova Dive Fins

My new Scubapro Supernova Fins had a small cut on the top of the boot. I asked the dive shop owner what he recommended to fix the boot. He informed me that they were made of monprene and suggested he reach out to the Scubapro Rep prior to trying to fix them with superglue.

I called Scubapro when I got back to the US and they recommended taking it to a dive shop for a warranty repair. Problem is Las Cruces is the nearest dive shop and that's an 11 hour trip. I took it to a dive shop when I flew back to Virginia, but they had to ship it to California, so the process took longer than my stay.

Being modular, I opted to buy a second set of the boot pockets so I don't have to worry about down time in the future should problems arise. Plus I can use Scubapro S-Tek Pro Blade if I want to go with a neutral or negative buoyancy fin.

Objects in your review mirror are smaller than they appear!

Scubapro Hydros Accessory Bungees are smaller than they look, but the Medium size works well for securing my action camera floatie handgrip in place. To set them up, you loop the bungee back through itself to attach to the d-ring fixation point. The center piece then slides down to clamp the accessory.

While they perform great with the grippy, foamy action camera handle, they may be less secure on heavier gear with a slick surface—like my dive light. For that setup, I’d recommend adding a second attachment point on the BCD (for example, using the metal d-rings with a snap hook on a longer lanyard) to help ensure the light doesn’t end up on the ocean floor.

A necessity for UW photography

ScubaPro Hydros Pro 2 Monorail (Hydros Pro2, Multi-Mount) is a must-have accessory for underwater photographers who want extra attachment points beyond the standard D-rings. I’ve mounted one rail on the left for my SMB, and the right side gives me a clean, stable spot for an action camera on the floatie handgrip.

The Hydros Pro 2 is an outstanding BCD—especially for anyone who has to travel for dive opportunities—but it’s noticeably light on storage and mounting options if you commonly dive with lots of add-ons. This monorail system helps bridge that gap and makes it much easier to carry and position the gear you actually want to use underwater.

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Shearwater NERD 2 Dive Computer