Shearwater Perdix OC/CC Trimix Scuba Diving Computer

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This is the Shearwater Perdix OC/CC Trimix Scuba Diving Computer

  • Sleek and Sophisticated: Merging state of the art manufacturing techniques, innovative engineered materials, and consumer feedback, Shearwater has successfully developed a low-profile, sleekly contoured design without sacrificing features vital to technical divers. It’s everything you love about the Petrel dive computer, just smaller.
  • High Resolution, easy-to-read display - 2.2 display with vivid, enhanced colour range and saturation.
  • Thin, Low-profile Design - 30% smaller in volume than the Petrel
  • Two Button Interface - Simple to navigate, state-aware menu structure
  • With a double o-ring to ensure a great seal
  • Customize your display with information important to you
  • Multiple Languages - Languages include: English, French, Simplified Chinese, Traditional Chinese, German, Portuguese, Korean, Japanese, Italian, and Spanish.
  • Desktop Control:
  • Analyze your dive log, deco profile, temperature and more.
  • Download and display dive logs quickly using Bluetooth technology.
  • You can display as much or as little information as you need.
Shearwater Research has implemented VPM-B according to the original Erik Baker Fortran specification. In addition to implementing the Baker model, Shearwater Research has added a new option. VPM-B dive profiles often have deep stops to control bubble formation with reduced time at shallow depths. The reduced shallow depth time can be quite aggressive with VPM-B so Shearwater Research has included a VPM-B Gradient Factor Surfacing (GFS) option. VPM-B/GFS allows VPM-B dives to be executed while ensuring that a gradient factor of 90% is never violated.


Warning - California Prop 65: Some products on this site can expose you to chemicals including Chloroprene, which is known to the state of California to cause cancer and birth defects or reproductive harm. For more information, go to

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