Suunto Cobra3 Dive Computer

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The Suunto Cobra3 Dive Computer is an advanced air-integrated dive computer with electronic 3D compass. It is an all-in-one console-mounted dive computer. It has air-integration, an electronic 3D compass, an easy-to-read matrix display, and simplified four-button operation.



  • Air, nitrox, and gauge modes
  • 3D compass
  • Suunto RGBM
  • Easy-to-read matrix display
  • Air integrated for tank pressure information
  • Tillable 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 and dive planner
  • Detailed graphical logs and dive data on your computer using Suunto dm5 software



Bezel Material Composite
Glass Material Acrylic
Case Material Composite
Strap Material Elastomer
Declination Correction yes
Weight 210 g / 7.41 oz
Water Resistance 100 m (ISO 13319)
Battery Life 100 Dives/Year 1.5 years
Battery Type Yes
User Replaceable Battery Yes
Time, Date Yes
Alarm Clock 1 daily alarm
Languages EN
Backlight electro-luminescent
Configurable Backlight duration: 5, 10, 20, 30, 60 s
Display Type matrix
Display Resolution 49 x 22
Battery Indicator low battery indicator
Metric And Imperial Units Yes
In Time Mode 3 years Data transfer
Compatible With Dm5 Yes
Digital Compass Yes
Tilt Compensation up to 45
Direction Scale degrees
Needle compass rose
Globally Balanced Yes
Bearing Lock With Orienting Indicator Yes
Compass Accuracy 10
Compass Resolution 1
Operating Temperature 0 C to +40 C / +32 F to +104 F
Storage Temperature -20 C to +50 C / -4 F to +122 F
Maximum Operating Depth (En 13319) 100 M / 328 Ft (En 13319, Iso 6425)
Nitrox (And Air) Yes
Gauge Yes
Dive Time 0 to 999 min
Surface Time 0 to 99 h 59 min
No Fly Time Yes
Safety Stop Yes
Deep Stop Yes
Ascent Time Display 0 - 99 min (- - after 99)
Cns/Otu (Olf) Calculation Yes
Hose Air Integration Yes
Decompression Model Yes
Suunto Rgbm
Personal Adjustment 0 - 2
Altitude Adjustment 0 - 300 m / 300 -1500 m / 1500 - 3000 m
Gases up to 2 gases (Oxygen 21 - 99%)
Gas Max Po2 1.2 - 1.6
Gas Switching Yes
No-Decompression Planner Yes
Logbook Memory 42 h (20 s sampling rate)
Logbook Bookmarks Yes
Logbook Sampling Rates 1, 10, 20, 30, 60 s
Dive History lifetime
Dive Time Yes
Maximum Depth Yes
Tank Pressure Yes
High Po2 (Hyperoxic) Yes
Too Fast Ascent Yes
Decompression Ceiling Violation Yes
Cns/Otu (Olf) 80% / 100% Yes
Temperature Display Range -20 C to +50 C (+/- 2 C) / -9 C to +122 F (+/- 3.6 F)
Temperature Resolution 1 C / 1.5 F
Temperature Yes
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