SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/scuba-computer-limits-not-guarantee

If you stay within your dive computer's limits, can you still get decompression sickness?

Yes. Computer limits lower the risk but do not guarantee safety.

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  1. No, the computer makes it impossible
  2. Only if the battery dies
  3. Yes, the limits lower risk but are no guarantee ✔

Why: Dive computers run math models that predict, not promise. DAN advises diving a conservative profile and adding safety stops to every dive.

Huh, didn't know that: If you ever have symptoms, DAN says to bring your dive computer to the doctor so they can review your dive profile.

The dad joke
My dive computer and I have a deep relationship, but it still won't make promises.
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References

Answer: Yes, the limits lower risk but are no guarantee. Dive computers run math models that predict, not promise. DAN advises diving a conservative profile and adding safety stops to every dive.

  1. DAN: Effective Use of Your Dive Computer dan.org/health-medicine/health-resource/dive-medical-reference-books/decompression-sickness/use-of-dive-computers
    Divers are often surprised when symptoms of DCS develop after dives that were conducted within the limits of their dive computers.
    Checked 2026-10-12.

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