SL 20 Autonomous Survey Boat
- Stock: In Stock
- Model: SL 20
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Ex Tax: $0.00
Parameters | |
Battery Pack | 1 x 33V 40Ah Quick Battery Replacement |
Communication Range | Data telemetry: 2 km Remote Control: 1 km |
Data Telemetry Frequency | 5.8 GHz |
Draft | 15 cm |
Instruments | SOUTH 18S SBES Echologger series SBES Hydrobook SBES Sontek RiverSurveyor S5/M9 Teledyne RD Instruments RiverRay Teledyne RD Instruments RiverPro Teledyne RD Instruments StreamPro Linkquest Flowquest |
Moon Pool | 17.7cm in diameter |
Options | ADCP data telemetry |
Payload | 10 kg |
Remote Control Frequency | 2.4 GHz |
Survey Speed | 3 knots (1.5m/s) |
Weight (excl. ADCP) | 17 kg |
Hull Material | Carbon Fiber |
Dimension | (L)105 cm *(W)55 cm |
Propulsion | Duct type thruster |
Max. Speed | 8 knots (4m/s) |
Battery Life | 6h at 3kn |


Flexible moon pool for survey payload integration
The 17.7cm moon pool supports flexible integration of different instruments like ADCPs and single beam echo sounders.
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Auto-pilot And Realtime Data Telemetry
- The SL20 USV supports both remote control and auto-pilot mode, performs great line tracking capability.
- The base station is easily to be set up on field for data telemetry.

Compact and Long Endurance
- The SL20 USV is 1 meter long and weights 17 kg, it’s easy for one person to operate and mobilize.
- Powerful battery and low power consumption supports 6 hours of endurance at 3 knots.

Adaptable to extremely shallow water
With an low draft of 15cm, the SL20 USV allows bathymetry survey in super shallow water.
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High Speed and Well Protected Propeller
- Duct-type thruster brings maximum speed to 4m/s
- Safety protection avoids the propellers being intertwined with water plants or water debris.