Dive computers (also known as scuba computers) are devices that display information to help divers ensure they stay within certain safety limits. Here’s a quick guide to dive computers so you know why you need one to have the best scuba experience possible. What Does a Dive Computer Do? A dive computer has three main functions: Depth Measurement: It tracks how far down you’ve gone during your dive. This metric is also compared to your maximum dive depth—the max depth you can go with the gear you have on. Dive Time Tracking: There are a few reasons time tracking is…