MULTIGAUGE 3000 ULTRASONIC DENSITY INDICATOR +...

The MULTIGAUGE 3000 Submarino indicator is a density measuring device designed for use by a diver, for the most common applications such as density measurement underwater. This is a simple and robust manual indicator, which uses multiple echo waves, ignoring coatings and only measuring the thickness of the remaining metal

MARK IV JUMP JACKET HARNESS-BCD

Divers' ability to become neutrally buoyant, slightly positive, or slightly negative greatly aids the approach to the job site. It allows for a faster approach by a rescue diver, the ability to donate gas to the distressed diver (if his umbilical has been compromised), and a faster return through buoyancy control of both rescuer and patient