In 2018, Shearwater Research's Perdix Air Integrated Dive Computer remains the best!

Buying a Perdix AI is a real investment in a great piece of equipment that is going to last you many, many years. There are many good reason why Shearwater's dive computers are on most diver's wish lists. 

The Perdix AI is a bulletproof dive computer that grows with your diving. It serves both the recreational and technical diver well in shallow reefs, deep wrecks, and cave diving. 

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Perdix AI has many great features so if you can stretch to the extra few dollars, then go for this dive computer - you won't be disappointed! This has all the functionality you'd expect from a high-end device.

Shearwater Perdix AI Dive Computer with Transmitter

If you already know the Shearwater Perdix AI is for you, click the button below to see the latest price and any discounts that may apply at Amazon.

Shearwater Perdix AI - At a glance

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    AI Capability
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    User Changeable Batteries
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    Bluetooth Connectivity
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    3 axis, tilt compensated Compass
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    Technical and Recreational Dive Modes
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    High resolution, easy-to-read Display
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    Calculates Gas Time Remaining (GTR)
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    Two button Menu Interface
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    Customizable Display
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    Multiple Languages
Shearwater Perdix AI infographic of dive computer

Bluetooth Ready - Connect your Perdix AI to your Desktop Computer

Sometimes it's the little things that make all the difference.

This dive computer is one of the few equipped with Bluetooth. You can download your dive logs from the dive computer and view on your desktop (both Windows and Mac) with lower power consumption. Bluetooth Smart Ready will also download to iOS devices such as an iPad and iPhone. 

Being Bluetooth capable also makes regular firmware updates and upgrades very easy to install. The computer does all the work.

What’s the difference between the Perdix and the Perdix AI?

A little over 12 months ago, Shearwater released their first air integrated dive computer, the Perdix AI. There are only a few small differences between the previous Perdix model and the Perdix AI.

The Perdix AI has wireless AI connection capability. This can connect with up to 2 transmitters making it ideal for sidemount diving.

There are also additional reporting features in ‘Shearwater Desktop’ specifically for the Perdix AI. This includes displaying the tank pressure throughout the dive, your SAC rate, as well as Gas Time Remaining (GTR) information.

The Perdix is still available to buy. It doesn't have the firmware for air integration so it's not something that can be retro-fitted later on. If you'd like a Perdix without AI, then there are some savings to be had as these are still available for sale.

What’s the difference between the Perdix AI and the Teric?

Cave diving with the Shearwater Teric watch sized Diving Computer

Shearwater released the watch-sized Teric in June 2018.

Watch sized dive computers are usually more expensive than traditional dive computer with similar or less capabilities. The Shearwater Teric is more expensive than the Perdix AI and includes additional features. It doesn't replace the Perdix AI, it just has some different features.

The Teric features include:  

  • Free diving mode with Ascent and Descent indicators
  • Timepiece Mode
  • AMOLED Display that gives exceptional readability underwater with very vivid colors
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    A scratch resistant sapphire crystal display
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    316 Marine Grade stainless steel case and menu buttons
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    Rechargeable battery - the Teric is charged by placing the unit on its docking station
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    Options for Haptic (vibration) and audible alarms
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    A configurable 4 button menu (versus the 2 button menu on the Perdix AI) - with the ability to set one button to give one-press access to specific functions.

Shearwater Perdix - Optional Wireless Air Integration (AI)

At DEMA in 2016, Shearwater surprised many in the diving community by releasing the Perdix AI (with Air Integration). 

If you're not a fan of air integration, then this is still the dive computer for you. The transmitter is an optional accessory. If you don't want wireless air integration, then there's no need to invest in the transmitter.

Each Shearwater transmitter has a unique serial number. This needs to be entered into the Perdix AI the first time you use it. The transmitter is screwed into the first stage of your regulator. It's able to connect to either one or two transmitters giving you the option for monitoring two tanks and allowing for side mount diving. The Perdix AI is capable of displaying tank pressure in all modes. 

The video below shows how easy it is to set up the Shearwater Perdix AI for wireless air integration.

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Perdix AI Dive Computer - All the Bells and Whistles

Shearwater Perdix AI Dive Computer

Shearwater's focus is on innovative and simple displays that keep the most important information easy to read at a glance. The Perdix AI only has two menu buttons so there's no excessive scrolling and guessing.

Its display is 2.2 inches across with vivid color range and saturation. This big display can easily be read in any depth. The display automatically adjusts its intensity based on the light available. It will be easy to read whether on the surface in sunlight, in open water or in a cave.

The Perdix will automatically turn itself on once submerged. It doesn't have wet contacts so this is based on the increase in pressure, and not in the presence of water. Although you should always turn on the computer before each dive to check the battery level and its setup, this feature is a backup in case you forget to turn it on.

The Perdix comes with a 3 axis, tilt compensated digital compass.

Its case is rated to a depth of 260 meters / 850 feet, however, the guaranteed depth accurate range is to 130 meters / 435 feet. The depth sensor does continue to function to this depth, but with reduced accuracy.

This is the easiest dive computer to use and customize to show what's important to you. The dive number can be changed - It doesn't have to start at Dive #1. It can be changed to match the actual number of dives you have done.

Shearwater's Perdix AI will NOT lock you out when things don't go as perfectly as the computer thinks they should. If you foul up and realize you have the wrong gas mix selected you can change to the correct one (or even add a mix) as soon as you realize.  

Perdix AI Diving Modes - Open Circuit and Closed Circuit

The Perdix AI is a technical dive computer will take you from your first open water dives (in recreational OC mode) all the way to trimix diving with the option of 5 CC gasses (in CC INT mode).

  • Air / Nitrox / Trimix capable
  • 5 open-circuit gas switch presets

The Perdix AI will not "lockout" after a missed stop or ascent rate violation.


Diving Modes

OC Rec3 gas nitrox recreational computer
OC TecMulti-gas, trimix decompression computer
CC INTClosed circuit fixed PPO2
GaugeBottom timer with stopwatch and dive logging
Perdix Dive Computer Diving Modes

I bought a Shearwater Perdix once I realized I could read the screen of a Petrel on a student's arm 6 feet away, better than I could read the screen of my own dive computer.

Which Decompression Model does Shearwater Research use?

Shearwater Research design and manufacture their trimix dive computers with the most demanding technical divers in mind. The standard decompression model is Bühlmann ZHL-16C with Gradient Factors.

The VPM-B decompression model is available by purchasing an unlock code. These are the most common decompression models used by Technical divers.

What about battery changes and rechargeable batteries?

Shearwater Perdix AI Battery Compartment

Shearwater Perdix AI Battery Compartment

The Perdix AI uses AA batteries or long life lithium batteries. Its battery compartment has a double o-ring to ensure a great seal.

The Perdix AI also takes rechargeable batteries but you can’t use rechargeable alkaline batteries which are your standard AA type batteries.

It takes rechargeable Li-ion 3.7V batteries although these are sometimes hard to source. These cost around $12 per 2x pack and will provide around 34 hours of charge.

The other rechargeable batteries it works with are NiMH 1.2V batteries. These are much easier to source and cost around $9 for a 8x pack. These will give around 30 hours of charge.

All dive logs and settings are saved in permanent memory so these are restored after a battery change.

Water Salinity adjustments and Language Choices

The Perdix AI doesn't measure water depth directly. It measures the water pressure then converts this to depth based on the assumed density of water.

Salinity can be set on the Perdix to Fresh, EN13319, or Salt. EN13319 is the European CE standard for dive computers. The density value used for each setting is:

  • Freshwater = 1000 kg/m³
  • EN13319 = 1020 kg/m³
  • Salt Water = 1030 kg/m³

The Shearwater Perdix AI can be displayed in a range of languages. These are English, French, German, Spanish, Italian, simplified Chinese, traditional Chinese, Korean or Japanese.

What Maintenance is required for the Perdix AI?

Wash your dive computer with fresh water at the end of each dive in salt water to remove salt and other contaminants. Never allow salt deposits to build up. Detergents or other cleaning agents will damage the Perdix, so only use fresh water when rising.

Never wash with high-pressure water as it may damage the depth sensor. Allow the dive computer to dry naturally before storing. Keep the Perdix upright when storing, and out of direct sunlight in a cool, clean, dry and dust-free environment.

Avoid over exposure to direct ultraviolet radiation (the sun). It also doesn't like radiant heat.

As batteries can and do leak, always remove batteries from the dive computer when storing for long periods (several months). Dead batteries pose a higher risk of leaking and damaging the dive computer.

Why are Shearwater Research Dive Computers held in such high regard?

Shearwater as a company, stand behind their products like very few others ever do.

Shearwater dive computers are designed and built for divers, by a group of enthusiast divers who also happen to be engineers and technologists. They are committed to providing the best sales and customer service experience they can.

Their Customer Service is excellent. This is backed up with video tutorials to quickly get you comfortable with your dive computer. Having said that, there's no steep learning curve with the Perdix AI. They are easy to use and customize.

Shearwater Perdix AI dive computer profile

Warranty and Servicing for Shearwater Dive Computers

Shearwater Research provides after-sales customer service that is unparalleled.

Shearwater has a 2 year warranty on all of their products. Each dive computer is tracked with a unique serial number so it doesn't need to be registered after purchasing. This is transferable to the next owner if sold.

Once the warranty period has passed, the computer should be serviced on an annual basis at your nearest service center.

The Verdict?

If you're a recreational diver, don't be swayed against buying the Shearwater because it would be 'too much computer' for you. These are reliable and are easy to read in all diving conditions.

Owners of the Shearwater dive computers claim these are the best dive computers they've ever owned. Comments such as this are repeated time and again across Scuba forums such as Scubaboard.

In regards to long term return-on-investment, Shearwater dive computers retain a very good resale value. If you had to sell one (although it's unlikely that you'd want to), it holds its value very well compared to its competitors.

This dive computer has 5 out of 5 Stars and 100% positive feedback on Amazon.

The Verdict?

If you're a recreational diver, don't be swayed against buying the Shearwater because it would be 'too much computer' for you. These are reliable and are easy to read in all diving conditions.

Owners of the Shearwater dive computers claim these are the best dive computers they've ever owned. Comments such as this are repeated time and again across Scuba forums such as Scubaboard.

In regards to long term return-on-investment, Shearwater dive computers retain a very good resale value. If you had to sell one (although it's unlikely that you'd want to), it holds its value very well compared to its competitors.

This dive computer does exactly what it's supposed to do. As far as dive computers go, it provides the best bang for buck, and will simply last and last.

Ready to buy a Perdix AI with a wireless air transmitter?

This dive computer has 5 out of 5 Stars and 100% positive feedback on Amazon.

This dive computer does exactly what it's supposed to do. As far as dive computers go, it provides the best bang for buck, and will simply last and last.

Ready to buy a Perdix AI with a wireless air transmitter?


Shearwater Perdix AI Dive Computer with Transmitter

Click the button below to see the current price and any discounts that may apply for the Shearwater Research Perdix AI Dive Computer at Amazon.

 

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Ticked this off my wish list!
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Summary

This is as good as it gets in dive computers. Shearwater Research is the best when it comes to customer service. If you’re serious about your diving, then this is the dive computer for you.

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User Review
5 (2 votes)
Comments Rating 5 (1 review)

10 Comments

  1. DiverS December 5, 2016
  2. Kate December 7, 2016
  3. Bob April 7, 2017
    • Sharon Swanson April 8, 2017
  4. Martin May 7, 2017
    • Sharon Swanson May 8, 2017
  5. Bec May 11, 2017
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