Cerulean Sonar Products

NEW ROVL Mk III using the interrogate/response model of a traditional USBL system, it dispenses with both distance sync at the start of the mission and period crystal calibration procedures. No timebase drift means the system can remain submerged indefinitely without losing slant range accuracy.

NEW Forward-looking multibeam sonar! Images with an entire 90-degree sector on every ping. This video-like capability is ideal for all-condition navigation, target location, tracking, and general situational awareness.

The world's most affordable system for the localization of underwater vehicles.

Doppler Velocity Log (DVL-75)

Low cost Doppler Velocity Log for medium accuracy measurement of the velocity of an ROV.

Doppler Velocity Log (DVL-75)

SonarView™ is a sonar viewing application developed by Cerulean Sonar, supporting various sonar devices (with more on the way.) Currently supported devices: Insight-240 multibeam sonar, S500 Sounder, and Blue Robotics Ping360 single beam sonars.

Single-beam echosounder. Altimeter for ROVs and AUVs, for bathymetry work aboard a USV, as an obstacle avoidance sonar, and other underwater distance measurement applications.


SONAR devices have evolved considerably in the sophistication of their technology. They incorporate advanced echo ranging techniques into more affordable devices for smaller unmanned vehicles. This blog provides an introduction to the basics of current SONAR applications in a straightforward manner

Find Answers To The Most Common Questions.