Suunto Cobra3 Black
Advanced air-integrated dive computer with electronic 3D compass. Made in Finland.
ADVANCED CONSOLE-MOUNTED DIVE COMPUTER WITH AIR-INTEGRATION
Suunto Cobra3 is an all-in-one console-mounted dive computer. It features air-integration, an electronic 3D compass, an easy-to-read matrix display, and simplified four-button operation.
PRODUCT HIGHLIGHTS
- Air, nitrox, and gauge modes
- 3D compass
- Suunto RGBM
- Easy-to-read matrix display
SPECIFICATIONS

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Measurements72.6 x 56.7 x 39.5 mm / 2.86 x 2.23 x 1.56 "
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Weight210 g / 7.41 oz
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Bezel material:Composite
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Glass material:Acrylic
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Case material:Composite
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Strap material:Elastomer
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What's in the box?Suunto Cobra3, high pressure hose included; dive manuals on DVD, Cobra3 Quick Guide and dive legal leaflet with warranty information
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Country of manufactureFI
TECHNICAL SPECIFICATIONS
GENERAL
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Bezel materialComposite
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Glass materialAcrylic
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Case materialComposite
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Strap materialElastomer
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Declination correctionyes
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Weight210 g / 7.41 oz
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Water resistance100 m (ISO 13319)
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Battery life 100 dives/year1.5 years
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Battery type✔
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User replaceable battery✔
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Time, date✔
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Alarm clock1 daily alarm
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LanguageEN
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Backlightelectro-luminescent
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Configurable backlightduration: 5, 10, 20, 30, 60 s
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Display typematrix
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Display resolution49 x 22
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Metric and imperial units✔
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Battery indicatorlow battery indicator
PHYSICAL SPECIFICATIONS
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Operating temperature0° C to +40° C / +32° F to +104° F
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Storage temperature-20 ° C to +50 ° C / -4° F to +122° F
BATTERY LIFE
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In time mode3 years
COMPASS
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Digital compass✔
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Tilt compensationup to 45°
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Direction scaledegrees
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Needlecompass rose
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Bearing lock with orienting indicator✔
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Globally balanced✔
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Compass accuracy10°
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Compass resolution1°
CONNECTIVITY
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Data transferUSB cable (optional)
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Compatible with DM5✔
OUTDOOR FUNCTIONS
WEATHER
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Temperature✔
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Temperature display range-20° C to +50° C (+/- 2° C) / -9° C to +122° F (+/- 3.6° F)
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Temperature resolution1° C / 1.5° F
DIVING FUNCTIONS
BASIC
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Altitude adjustment0 - 300 m / 300 -1500 m / 1500 - 3000 m
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Ascent time display0 - 99 min (- - after 99)
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CNS/OTU (OLF) calculation✔
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Decompression modelSuunto RGBM
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Deep Stop✔
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Dive historylifetime
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Dive time0 to 999 min
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Gas max pO21.2 - 1.6
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Gas switching✔
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Gasesup to 2 gases (Oxygen 21 - 99%)
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Gauge✔
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Hose air integration✔
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Logbook bookmarks✔
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Logbook memory~42 h (20 s sampling rate)
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Logbook sampling rates1, 10, 20, 30, 60 s
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Maximum operating depth (EN 13319)100 m / 328 ft (EN 13319, ISO 6425)
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Nitrox (and air)✔
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No fly time✔
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No-decompression planner✔
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Personal adjustment0 - 2
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Safety Stop✔
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Surface time0 to 99 h 59 min
DIVE ALARMS AND NOTIFICATIONS
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CNS/OTU (OLF) 80% / 100%✔
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Decompression ceiling violation✔
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Dive time✔
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High pO2 (hyperoxic)✔
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Maximum depth✔
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Switch gas (better gas is available)✔
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Tank pressure✔
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Too fast ascent✔