Shearwater Perdix AI


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The Shearwater Research Perdix AI dive computer incorporates a powerful feature set, easy to understand menus, and easy to read full-colour display. This version also supports one wireless transmitter to display the cylinder gas pressure without the use of hoses. The second wireless transmitter is NOT included, but available as an option.

Shearwater Perdix AI — Experience Legendary DivingThe Shearwater Perdix AI won Testers Choice for air-integrated wrist dive computers during ScubaLab's 2017 dive computer review.

The Air Integrated (AI) version of Perdix from Shearwater Research of Canada is a full decompression dive computer with recreational divers in mind. The Perdix AI supports wireless gas pressure integration with tracking tank gas pressures (optional transmitters required.) Out of the box, the Shearwater Perdix 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.

During a decompression dive, the Perdix AI provides complete information displays of all required stop times. The Perdix AI 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 Perdix AI will NOT "lockout" after a missed stop or ascent rate violation.

After the dive, the Perdix AI 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 Shearwater Perdix AI has been designed to accept any type of AA size battery including alkaline, lithium and rechargeable.


Recreational Open-Circuit mode 

  • Key features of the Recreational Open-Circuit mode (aka Recreational Nitrox mode) include a simpler menu structure, less cluttered display with a larger font and configurable bottom row, optional safety stops, and a no-decompression limit dive planner.
  • The simplified settings allow for three breathing gas mixtures (Air or Nitrox) and place a greater emphasis on the maximum operating depth (MOD) and no decompression time limit (NDL).
  • The display prominently warns the diver if their depth is near, at or exceeds the MOD of the selected breathing gas.
  • The diver also simply selects one of three levels of NDL conservatism and during the dive, a bar graph turns from green to red as the diver approaches the NDL.
  • An optional 3-minute countdown safety stop starts when the diver reaches shallower than { 20 feet | 6 meters } on the ascent. If the diver exceeds the NDL and requires stops, the display turns red and warns "DECO STOP" with the mandatory depth and stop times.

Shearwater Perdix AI Modes (Computer):

  • OC Rec - Three gas nitrox computer with features for the serious recreational diving enthusiast. Includes adaptive safety stop and NDL bar graph.
  • OC Tec - Multi gas, trimix decompression computer. 5 OC gases, Trimix enabled by default.
  • CC INT - Closed Circuit/Bailout. 5 OC/5 CC gases. Trimix enabled. Constant PO2 for closed circuit.
  • Gauge - Bottom timer with depth, time, resettable stop watch function. Full dive logging.

Shearwater Perdix AI 

  • One Wireless Tank Pressure Integration.
  • Air, Nitrox, Trimix capable.
  • Easy to read large full-colour screen.
  • Supports 1 or 2 optional wireless transmitters (Second One Not Included).
  • Quick OC bailout from CC.
  • 3 axis, tilt compensated, digital compass.
  • Decompression.
  • Dive Planning.
  • Buhlmann GF algorithm.
  • Optional VPM-B algorithm.
  • User-Replaceable AA Battery.
  • Dive Logging.
  • Upgradeable Firmware.
  • Smart Ready Bluetooth Interface.
  • Two-year warranty against manufacturing defects.


Marketing Product Type – Computer

Screen Resolution: 320x240 QVGA

Display Type: Full colour LED LCD

Display Size: 2.2"

Battery Type: Single AA (any type)

Battery Life: AA Alkaline: 40 Hours/SAFT LS14500: 100 Hours

Number of Gases: 5 OC / 5 CC

Dive Log: 1,000 Hours

Depth Rating: 260m (850ft)

Computer Dimensions: 83 x 74 x 39 mm (3.26" x 2.9" x 1.53")

Weight: 154g (0.34 lbs)

Package: 130 x 105 x 70 mm (5.1" x 4.1" x 2.8")

Weight: 330g (0.73 lbs)

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