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Diving Equipment and Plymouth Diving

Suunto D4i Dive Computer

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Suunto D4i with air integration, nitrox capability, and improved data capability it is a full decompression dive computer that doubles as a great dive watch.

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Product Description


Suunto D4i the all round watch type dive computer

Suunto D4i

The Suunto D4i is the dive computer that replaced the D4 and mosquito. With air integration, and improved data capability it is a full decompression dive computer that doubles as a cool looking dive watch.

    • Optional wireless air integration – current cylinder pressure, remaining air time, just buy the transmitter to enable this feature
    • Detailed graphical logs and dive data on your laptop using suunto software
    • Full continuous decompression algorithm
    • Three dive modes: Air, Nitrox, Freedive
    • Built-in dive planner

      The Suunto D4i manual can be downloaded here


      Suunto D4i Overview
      Spec D4i D6i Comparision
      Size (Diameter) 40 mm 45 mm
      Type Wrist Wrist
      Weight 88 g 120 g
      Display Type Dot Matrix LCD Dot MatrixLCD
      Display Light Yes Yes
      Nitrox Mode Yes, 21-50% Yes, 21-99%
      Trimix Mode No No
      No. Of Gases 1 2
      Gauge/Freediving Yes Yes
      Deco Algorithm Suunto RGBM Suunto RGBM
      Compass No Yes
      Wireless Transmitter Optional Extra Optional Extra
      PC/MAC Interface Yes Optional Extra
      User Changeable Battery No No


      Effortless operation

      The easy-to-read D4i dot matrix display and electro-luminescent backlight mean your dive-critical information – including depth, dive time, and decompression status – will all be shown clearly.

      Multi-mode versatility
      In both Air and Nitrox mode, the clear, easy-to-read suunto screen can display your current and maximum depth, current time, dive time, decompression time, and temperature. Audible and visual depth and time alarms warn you when it's time to start your ascent. In Nitrox mode, you can increase your time underwater by adjusting the oxygen content of your gas between 21% and 50% and adjust your PO2 limit between 0.5 and 1.6 bar.

      Dedicated Freedive mode
      With its innovative freedive functions and dedicated freedive mode, Suunto D4i is also perfect if you're serious about breath-hold diving. Programmed to sample depth three times a second, Suunto D4i records highly accurate data on the true depth reached.

      Flexible decompression
      Using the Suunto Deep Stop RGBM algorithm, the Suunto D4i enables continuous decompression for optimal ascent time. For deeper dives, the Deep Stop option adds further protection with a series of deep stops between your maximum depth and ceiling.

      Plan and review
      You can test upcoming dives and view no-decompression time data for different depths before getting in the water with the built-in dive planner. When the dive is over, use optional Suunto Dive Manager PC software to transfer your dive data to your computer for further analysis and to maintain a detailed logbook featuring graphical representation of all your dives.

      Additional Information

      Additional Information

      SKU SUUNd4i
      Weight in Kg 0.5000
      Manufacturer Suunto
      MPN SS018551000


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