Cerulean Sonar Device / Instrument
Surveyor 240-16 MBES
Compact 240 kHz multibeam echosounder with 16-element receive array and built-in IMU, designed for small uncrewed surface vessels.
Description
Surveyor 240-16 is a 240 kHz multibeam echosounder sized for small USVs such as the BlueBoat, suited to very shallow water surveys and depths to 50 meters and more.
Key features
- Transmit beam approx. 4 degrees along track, 80 degrees cross track; 16-element receive array
- Angle-of-arrival estimation resolves cross-track angle to less than one degree; typically 10-15 targets across an 80 degree swath
- Built-in IMU for pitch and roll compensation
- SonarView supports live capture, replay, and export to CSV point cloud and GSF (beta)
Variants with Blue Trail connector and with Bar30 pressure sensor are listed.
Specifications
| Acoustic frequency | 240 kHz |
|---|---|
| Along track TX beam width | 4° |
| Cross track TX beam width | 80° |
| RX array elements | 16 |
| Cross track angular resolution | 1° (angle of arrival) |
| Range resolution | up to 1/800th of range setting |
| Maximum depth rating | 300m |
| Maximum suggested range | 100m |
| Power supply | 10-30V, 5W typical at idle, 15W typical max while pinging |
| Weight in air | 790g |
| Weight in water | 145g |
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