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Shearwater

For 16 years of existence since its humble beginnings in 2004, Shearwater holds a leading position among companies and a reputation for some of the highest quality instruments on the market.

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Our experts at work

We asked our experts what they think about the Shearwater Scuba Dive Equipment.

This is how they rate the quality and standard of Shearwater products.

Anastasia

Summer Worsley

PADI Instructor & Writer
Summer has been teaching scuba for the last 10 years.

Torben Lonne

Editor of DIVEIN.com
Torben is a dive nut, with a passion for dive gear.

Shearwater Research Inc. has positioned itself as an industry leader, designing and manufacturing computers for all kinds of divers. Its dedication to producing instruments that improve safety and simplify diving while facilitating optimal dive outcomes has made it a firm favorite with air, nitrox, trimix, and rebreather divers across the globe.

Shearwater’s success can be put down to a number of factors. The professionals who work at Shearwater are all divers who know what divers want and need. With a focus on research, the company builds its instruments based on scientific data and from customer feedback. And for after-sales service and support, Shearwater shows its competitors how it should be done.

As a relative new-comer, Shearwater has made a huge impact on the diving community by introducing intuitive, user-friendly, reliable gadgets that are of the highest quality. Its powerful dive computers are the go-to for divers of all levels, from recreational divers to some of the most demanding divers in the world.

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Shearwater Scuba Dive Equipment

Shearwater Dive Computers

Shearwater’s range of dive computers may not be as extensive as some of its competitors, but what it does feature are all high-quality, durable, and easy-to-use.

Except for the Teric and the Nerd 2, all Shearwater computers can be fitted with adjustable bungee wrist straps which helps improve fit and comfort when wearing dry suits or thicker wetsuits.

As Shearwater incorporates Bluetooth technology in its computers, it also developed the Cloud app. Divers can easily connect their dive computer to a smartphone or tablet and download dive log data or save it to the cloud as a backup. The Cloud app is compatible with Windows, Mac, iOS, and Android.

Shearwater Teric

Considered by many as Shearwater’s best computer, the Teric is geared towards recreational divers. Wrist-mounted and amazingly tough and sturdy thanks to its 316 stainless steel bezel and buttons. The Teric also features a slick sapphire crystal window.

Easily switched between open and closed-circuit air, nitrox, and trimix modes, Terics can also be used as stopwatches, countdown timers, and digital compasses. With improved ascent and descent rate indicators and configurable haptic and audible alarms, the Teric is also a popular choice for freedivers.

Divers can choose from a range of colorful strap colors and configure the computer’s high-resolution display to match. There are also different clock display options when wearing the Teric as a wristwatch. It’s a stylish piece of kit that looks equally at home at 260 feet (80m) or in the office.

Aqualung i300c Dive computer
Shearwater Teric

It has all the modes you want, including recreational and even freediving. 

It’s easy to use with configurable algorithm which makes it excellent for many types of diving.

Shearwater Nerd 2

Probably the most unique of all Shearwater’s offerings is the Nerd 2. It’s one of the smallest computers in the range but also one of the most expensive. However, its capabilities more than make up for the price tag.

The Nerd 2 features a universal mount that allows divers to mount the computer to their regulator or rebreather giving them a direct line of sight to all their dive details. This hands-free design means you can focus on your diving knowing that important dive info is just a glance away. A micro-LCD display and magnifying lens ensure you’re seeing that data as clearly as possible.

Two-button navigation makes switching between the multiple dive modes a breeze. With OC recreational, OC technical, closed-circuit/bailout, gauge, external monitoring, and digital compass modes, the Nerd 2 is an excellent choice for both recreational and professional divers.

Divers have the flexibility to choose between a stand-alone version or one with transmitters for wireless air integration. And, the powerful lithium-ion battery is fast-rechargeable and gives a minimum of 18 hours dive hours when on medium brightness.

Shearwater Perdix

Shearwater’s Perdix is a budget friendly dive computer for advanced recreational divers with four dive modes: air, nitrox, trimix, and gauge. Its high-resolution 2.2-inch (5.5cm) color display is clear and easy to read when under water and a bungee strap ensures the computer fits comfortably whatever exposure suit you’re wearing.

One of the outstanding features of the Perdix is that it’s powered by AA batteries that will last for around 45 hours. The batteries are user-replaceable with either standard or rechargeable AA’s.

Shearwater improved on the Perdix with the Perdix AI. The biggest difference is that transmitters are included as standard allowing the monitoring of two tanks or side mounts. A larger screen makes it easier to read in dark conditions. And with five open-circuit gas switch presets, the Perdix AI offers plenty for recreational and tech divers.

shearwater-perdix-dive-computer-review
Shearwater Perdix

It has massive user configurability with 5 open-circuit gas switch presets and full color screen. 

This dive computer can operate in water with 850 ft depth and has a bluetooth connectivity with iOS devices.

Shearwater Petrel 2

If you don’t require wireless air integration but are looking for a reliable, rugged computer with plenty of great features, the Petrel 2 could be the one for you. Multiple diving modes include gauge, digital compass, recreational and a technical mode for multi-gas trimix and three-gas nitrox.

The Petrel 2 performs CNS tracking and accurate decompression calculations and a voting algorithm lets divers enhance the safety settings. Like Shearwater’s Perdix, the Petrel 2 is powered by user-replaceable AA batteries.

Rebreather fans can invest in the Petrel 2 Fischer. It features all the functionality of the Petrel 2 but also incorporates a fischer connector allowing for external PPO2 monitoring of up to three oxygen sensors in a rebreather loop.

Shearwater Peregrine

The most recent addition to Shearwater’s collection is the Peregrine. Designed to be used by beginner and experienced divers, Shearwater decided to strip back on the complexity and remove some of the functionality of its more technical-focused computers.

Simplified diving modes still allow the user to choose between air, nitrox, three-gas nitrox, and gauge. Three-gas nitrox allows the use of up to 100% O2, with full decompression support.

Shearwater has kept some of the smart features from its other computers, such as the Teric’s two-button menu navigation and the Perdix’ large, full-color LED display. The battery can be wirelessly charged and lasts for approximately 30 hours. The Peregrine also has a built in quick NDL planner, a full decompression planner, and is depth-rated to 394 feet (120m).

The Peregrine represents good value for money with enough functionality for the majority of air and nitrox divers.

Shearwater History & Company

Founded in 2005, Shearwater Research Inc. was the brainchild of Bruce Partridge and his wife Lynn. As experienced open-circuit technical and rebreather divers, they were driven by the need to design a dive computer that would improve their underwater experience. In the spare bedroom of the family home, Bruce drew on his background in computer systems design and embedded programming to create a computer that would meet all his needs.

Bruce understood that advanced technical divers needed a simple user-interface and menu structure that required a minimum number of button pushes when in stressful situations. Being a tight-knit community, the technical diving world soon learned of the Partridge’s innovations, and Shearwater was born, moving to a manufacturing facility in Vancouver, Canada.

Shearwater quickly became a major manufacturer and supplier of trimix computers and electronic controller boards for rebreathers. Using the technology employed in its technical dive instruments, the company soon transferred its knowledge to create products for the recreational community and its reputation continued to grow.

The Shearwater Predator was one of the first dive computers designed with an LED display and featured integrated Bluetooth technology meaning divers could transfer data quickly and easily.  It also incorporated user-replaceable batteries which made it a very popular choice for divers.

In only 15 years, Shearwater has positioned itself as an industry leader and now has representation in over 90 countries. It continues to identify opportunities and research new technologies to produce quality computers and instruments that divers rely on to keep them safe.

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