The Tritech Gemini 620pd is a high resolution multi beam profiling sonar echo sounder from Tritech's proven Gemini range of multibeam imaging sonar technology. The Gemini 620pd benefits from the latest technological advances in signal processing. These advances allow the Tritech Gemini 620pd to produce high performance bathymetry data that is compatible with industry standard survey packages for processing. Designed for Remotely Operated Vehicles (ROV) mounting, the Gemini 620pd is manufactured in titanium and rated to an operational depth of 4000m.