ME120 | Unmanned Surface Vehicle丨OceanAlpha
ME120 profile

Hydrographic Unmanned Surface Vehicle

Convertible catamaran USV platform for hydrographic survey

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Quick assembly and easy transportation

The ME120 utilizes a detachable catamaran design, making it easy for van transportation and for two people to assemble and disassemble.

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Dedicated for small-size multibeam sonars

The ME120 USV is dedicated to multibeam sonars, side scan sonars, and other survey instruments of a relatively smaller size.

Singlebeam echo sounderMultibeam echo sounder ADCP3D LiDAR scanner
Side-scan sonarForward-looking sonarWater quality sonde
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Replaceable equipment cabin

The payload cabin of the ME120 USV is replaceable, user can freely change and install different instruments according to mission requirements.

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Automatic mission planning

  • User can pre-program the survey mission with the base station on the bank. The USV and instruments can conduct surveys autonomously and send back real-time data.
  • User can also drive the USV manually by a remote controller.
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Intelligent collision avoidance

  • The ME120 USV comes with ultrasonic sensors that can detect obstacles 40 meters ahead to avoid collision when in auto-pilot mode.
  • Operators can observe the water environment through a real-time video feed to better avoid obstacles when operating in manual mode.


Hull MaterialCarbon fiber
Dimension(L)2.5 m *(W)1.4 m 
Weight150 kg
Battery weight60 kg
Payload60 kg
Draft45 cm
PropulsionDuct type thruster
Obstacle Avoidance50 m
Communication RangeAutopilot: 5 km    Remote Control: 1 km
Max. Speed 10 knots (5 m/s)
Survey Speed4 knots (2 m/s)
Battery Life6h @ survey speed
Video MonitoringYes
Multi MissionsYes
Automatic Transducer LifterYes

Application Case

  • ME120 USV surveys the yellow river
    Compact USV ME120 Carried Out Multibeam Mapping on A Sediment-laden River
  • ME120 USV Conduct Multibeam Survey in Wanjiazhai Reservoirs
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    ME120 surveys water transfer channels with side scan sonar
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    ME120 Conducts Mobile Total Phosphorus Survey to Assist Water Pollution Management
  • ME120 USV with CTD
    ME120 USVs Grouped Up to Survey Ocean Surface with CTD
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