Tern TX + Swift Combo


The Shearwater Tern and Tern TX models redefine diving convenience and versatility for sport divers. Incorporating a compact design with advanced features, these dive computers, especially the Tern TX with its transmitter-enabled capability, provide unparalleled functionality. Their enhanced visibility, user-friendly interface, and compatibility with multiple diving modes, make them an essential tool for divers seeking reliability and ease of use.


The Swift allows divers to carry multiple transmitters reliably. The collision avoidance protocol allows for multiple transmitters to be used at the same time with a lower likelihood of dropped communications. The Swift is designed and built in Canada for demanding divers of all proficiency levels.

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SKU: 15313 Categories: , ,

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    Product Details

    The Shearwater Tern dive computer features:

    • Mode
      • Air:  Simple air mode for everyday diving
      • Nitrox:  Single gas Nitrox up to 40%
      • 3 Gas Nitrox:  3 Gas switchable underwater with full decompression support. Up to 100% O2.
      • Gauge:  Bottom timer with stop watch and dive logging
      • Freediving:  Configurable sampling rates and alarms
    • Features
      • Decompression Computer
      • Air Integrated
        *Tern TX model only
      • Connects up to 4 Transmitters (Optional)
        *Tern TX model only
      • 3 axis, tilt compensated, digital compass
        *Tern TX model only
      • Bluetooth® wireless technology
      • Switchable vibration alerts
      • Upgradeable Firmware
      • 316 Stainless Bezel & Buttons
      • 22mm Strap Size with quick connect
        (one long and one short strap included)
      • Ballistic Nylon Polymer Case
    • Specifications
      • Screen Resolution:  360 x 360
      • Display Type:  Full Colour AMOLED
      • Screen Brightness:  Minimum 300 nits, Typical at 350 nits
      • Display Size:  3.30cm / 1.3″
      • Toughened Glass Window:  YES
      • Battery Type:  Rechargeable Li-ion Battery
      • Battery Life:  up to 20 Hours (Medium Brightness)
        up to 6 months (Standby)
      • Wireless Charging Station:  YES
      • Number of Gases:  3 OC
      • Depth Rating:  120m / 394ft
      • Dive Log Capacity (10 second rate):  500Hours
      • Size (Dive Computer):  Diameter – 50mm
        Thickness – 16mm
      • Weight (Dive Computer):  100g


    The Shearwater Swift Transmitter Features:

      • Advanced collision avoidance system ensures reliability using multiple transmitters
      • Randomized transmit interval allows for reliable simultaneous use of multiple Swift transmitters
      • LED status indicator
      • Easy ‘no tools’ installation and removal on divers first stage
      • Compatible with all existing air integrated Shearwater dive computers and many other computers already on the market
      • Size: 76mm (L) x 34mm (D)
      • Weight: 135g
    • BATTERY:
      • Battery Type: CR2 3V Lithium (User replaceable)
      • Battery Operating Life: Up to 300 dive hours (HP pressure present), 5  year storage time
      • Depth Limit: 200msw
      • Operating temperature range: +4C to +34C
      • Short-term (hours) temperature range: -10C to +50C
      • Pressure port: 7/16″ – 20NF
      • Rated air pressure: 300 bar/4350 psi
      • Pressure reporting resolution: 0.14 bar / 2 psi
      • HP port proof pressure: 450 bar / 6525 psi
      • Accuracy: 5% full scale
      • Zero offset: < 3.5 bar (50 psi)
      • Activation pressure: 7 bar (100 psi)
      • De-activation pressure: 3.5 bar (50 psi)
      • Cover screws: 1.5mm hex
      • Body o-ring: 24 x 1.5mm
      • HP port o-ring: AS568-904 75A

    Additional information



    Mount Type

    Battery Type

    Logbook Capacity


    Gas Capability


    Full Colour, High Resolution, AMOLED

    1.3″ display with deep blacks, and vivid colour display







    Modern, Sleek Profile

    Robust design with toughened glass, modern bezel design and USB-C wireless charging





    Optional Air Integration

    The Tern TX can connect with up to 4 transmitters.

    Cloud Control

    Download and display dive logs quickly with Bluetooth® wireless technology. You can display as much or as little information as you need. The Shearwater Cloud is available in 13 languages.


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