Underwater vehicles
Guides to underwater drones and ROVs: depth ratings, runtime, cameras, sonar, tether, and the jobs those vehicles are used for.
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What an ROV depth rating and a runtime claim are measuring
Depth rating is housing survival depth. Runtime is minutes under a named battery test. What to do when the page never states that test.
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How to compare two underwater drones without trusting the box
Rated depth is not a runtime. Compare a swimming ROV and a drop camera by vehicle depth, the test behind the minutes, and what hold means.