Suunto Cobra3 Dive Computer W/QD and USB

Suunto Cobra3 Dive Computer W/QD and USB


  • $899.00

  • Air integrated for tank pressure information
  • Tiltable electronic 3D compass to keep you on course 
  • User-friendly design featuring easy-to-read matrix display and simplified four-button operation
  • Three dive modes and gas-switching capability for a range of dive situations
  • Continuous decompression with the Suunto RGBM algorithm
  • Built-in dive simulator for planning upcoming dives
  • Optional computer interface for detailed graphical logbooks and dive data analysis
  • Air integration
    Suunto Cobra3 monitors and displays your tank pressure, tracks your rate of air consumption, and continuously calculates your remaining air time. It also provides visual and audible alarms for depth and pressure and warns you when you're running low on air.
  • Clear navigation
    Suunto Cobra3 features a unique electronic 3D compass that can be tilted up to 45 degrees in any direction, making it easier to read the figures clearly and accurately under water.
  • Effortless operation
    The easy-to-read dot matrix display and electro-luminescent backlight mean all your dive-critical information – including bearing, tank pressure, depth, and dive time – will all be shown clearly. And with the simplified four-button operation, the computer is easy to operate even when wearing gloves.
  • Multi-mode versatility
    With its Nitrox, Air, and Gauge modes and gas-switching capabilities, Suunto Cobra3 delivers everything you need to maximize bottom time and make the most of every dive. When using enriched air, Suunto Cobra3 can be programmed for nitrox mixtures between 21% and 100% oxygen. You can also adjust oxygen partial pressure between 0.5 and 1.6 bar. In Gauge mode, it can also be used as a depth gauge and timer with profile memory.
  • Flexible decompression
    Using the Suunto Deep Stop RGBM algorithm, Suunto Cobra3 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. 
  • When in Nitrox mode, you can accelerate decompression by switching to a gas mix with a higher oxygen percentage. With Suunto Cobra3 it's quick and easy to switch between enabled gas mixes while diving. 
  • Plan and review
    You can test upcoming dives and view no-decompression and decompression time data for different depths before getting in the water with the built-in dive simulator. When the dive is over, get detailed graphical logs and dive data on your computer using Suunto DM4 software.

Bearing tracking
Cardinal directions
Declination setting
Graphic compass rose
Guided calibration
Heading in degrees
Tilt compensation up to 45 degrees
Air integration
Altitude adjustment
Ascent rate monitor/alarm Up to 99 min
Ascent time display
Audible alarm
Built-in dive simulator
Deep Stops
Dive planner
Dive time in seconds In gauge mode
Full decompression data
Lifetime history memory
Log book memory
Maximum depth alarm
Maximum depth display 150 m (492 ft)
Operation mode Air
Operation mode Gauge
Operation mode Nitrox
Personal adjustment
Profile sampling rates in seconds 1,10,20,30,60s
Safety stop
Suunto RGBM algorithm
Temperature display
CNS% + OTU calculation (OLF)
Gas switching during dive
Max PO2 adjustment 0.5-1.6
O2 % setting Up to 2 gases containing 21-99%
Adjustable backlight duration
Backlight type Electro-luminescent display
Dot-matrix display
Menu-based user interface
Operating temperature 0°C - +40°C / +32°F - +104°F
Selectable metric/imperial units
Storage temperature -20°C - +50°C / -4°F - +122°F
Water resistance 150m / 492ft
Weight 210 g
Battery power indicator
Low battery warning
User replaceable battery
Software name Suunto DM4 with Movescount
Calendar clock
Daily alarms 1


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