Courtesy of Mike Ward, Dive Lab Definitions: J/L = Joules / Liter: The unit of measurement for breathing effort. Mbar = Millibars: Used as the unit of ...

During the final phase of testing we put our "computer geek" test divers to the task of using and evaluating the hardware and software that allow you to transfer dive data from your dive computer to your personal computer. In ...

It wasn't all that long ago that the only way you could gauge the breathing characteristics of a regulator was to simply breathe on it, and then try to make subjective judgments on its inhalation effort, exhalation resistance, etc. This was ...

How to Read A Breathing Loop