Low cost dual frequency echosounders. Altitude and backscatter data. Best for unmanned boats.

DASS710 750/1000 kHz Dual Axis Scanning Sonar

3D Sonar Scanning

High resolution 3D sonar scanning for underwater strucutre / scour monitoring

Echologger DASS710 is an ultra compact 3D scanning sonar. The dual axis scanning sonar, DASS710 is a realtime 3D sonar and can be deployed with a stand alone or daisy chain mode.