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Automatic SVP & CTD Casting, Charging & Data Transfer for USV

An extremely compact and programmable profiling winch for Autonomous Surface Vehicles, complete with a wireless charging and WiFi data transfer system for an AML-3 LGR instrument.

The winch employs direct drive and is equipped with a transparent interface for motor control and feedback.

The system can provide notification of successful docking and zeroing of the winch position in addition to payout readings, and is fitted with a level wind and an automatic internal brake.

The AML-3 series is a highly configurable family of multiparameter sondes designed for a wide range of data collection applications, and can be configured with a range of sensor options including:

  • Sound Velocity & Pressure (SVP)
  • Sound Velocity, Turbidity & Pressure (SVP Tu)
  • Sound Velocity, Conductivity, Temperature & Depth (CTD SV)
  • Conductivity, Temperature & Depth (CTD)

Technical Specifications: Winch

  • Materials & Finishing: High strength 7075 aluminium (hard anodised), Delrin
  • Motor Current Requirement: 24V DC @ 10A
  • Holding Capacity: 5kg
  • Line diameter: 2mm
  • Max. Line Pull: 5kg at first layer
  • Line Speed: ~0.5m/s
  • Drum Capacity: 100m @ 2mm
  • Bolt Pattern: User configurable
  • Weight: 8kg

Technical Specifications: Instrument

  • Max. depth: 500m
  • Weight in air: 1.4kg
  • Weight in water: 0.7kg
  • Pressure housing material: Acetal
  • Sensor Ports: 3


  • Network mode-compatible integrated WiFi data transfer system
  • Rechargeable Internal Battery
  • Wireless Instrument Charging
  • Risk-Free water column profiling in hazardous areas

Data Sheet

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