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

UNDERWATER GPS G2

Underwater GPS G2. Worlds most robust positioning system! 100 or 300 meter range. Quick deploy antenna.