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GEMINI 720i

GEMINI 720i

GEMINI 720i

Product catalog summary
Overview
The Gemini 720i is a high-frequency multibeam imaging sonar designed for real-time underwater visualization. It is suitable for small ROVs (Remotely Operated Vehicles) or AUVs (Autonomous Underwater Vehicles) and offers superior image clarity with a 720kHz operating frequency.

Key Benefits
  • Near field focusing and 8mm range resolution for clear imagery.
  • Wide-angle field of view suitable for low visibility environments.
  • Real-time imagery enhances target acquisition and interpretation.
  • Flexible interfacing options for ROV/AUV integration.

Features
  • 720kHz operating frequency with a 120° field of view and 10° downward tilt.
  • Integrated velocimeter for precise ranging.
  • Lightweight design, weighing only 1.2kg in water.
  • Supports Ethernet or VDSL communications.
  • Compatible with Seanet Pro and Gemini SeaTec Software.

Applications
  • ROV/AUV navigation and obstacle avoidance.
  • Search and Rescue (SAR) operations.
  • Subsea monitoring, inspection, and salvage operations.
  • Target recognition and tracking.

Specifications
  • Acoustic: 720kHz frequency, 1.0° acoustic resolution, 120° scanning sector.
  • Range: 0.2m to 120m with a scan rate of 5-30Hz.
  • Interface: 35W max power consumption, 20-75V DC supply, Ethernet or VDSL protocols.
  • Physical: 300m depth rating, 3.9kg weight in air, operational temperature range -10 to 35°C.

Contact Information
Tritech International Ltd, Westhill Business Park, Aberdeenshire, UK. Email: [email protected], Phone: +44(0)1224 744 111.
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Catalog excerpts

GEMINI 720i-1

Real Time Multibeam Imaging Sonar Real time target tracking and visualisation in the underwater environment The Gemini 720i is a real time high frequency imaging solution, which is suitable even for a very small ROV or AUV. With a 720kHz operating frequency and state of the art processing electronics the Gemini 720i produces images of superb clarity. An integrated sound velocity sensor assists in providing the sharpest image possible with accurate ranging. Network all your Tritech sensors together via Seanet Pro Software, choose the Gemini Standalone Software for control and display or upgrade to Gemini SeaTec Software for target tracking. • Near field focussing • 8mm range resolution • Crisp, clear, wide angle field of view • Use in low visibility environments • Real-time imagery • Increased target acquisition • Easier interpretation of sonar imagery • Flexible interfacing for an ROV/AUV Gemini sonar image of a pipeline mattress. • 720kHz operating frequency • 120° field of view (10° downward tilt) • Integrated velocimeter for accurate ranging • Weighs only 1.2kg in water • Ethernet or VDSL communications • Network all Tritech sensors in Seanet Pro • Gemini SeaTec Software upgrade available • Software Development Kit available • ROV/AUV Navigation • Search and Rescue (SAR) • Obstacle Avoidance • Target Recognition • Salvage Operations • Subsea Monitoring & Inspection • Object detection • Target tracking Gemini sonar image of a school of dolphins.

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GEMINI 720i-2

Acoustic Specifications Operating Frequency Angular Resolution Transducer Angle Scanning Sector Vertical Beamwidth Scan Rate Range Resolution Interface Power Consumption 35W max (range dependent, head unit only) Supply Voltage Communications Protocols Connector Type Impulse Titan VDSL cable length Maximum length for VDSL and power is 300m, if power is provided locally (e.g., by the ROV) then maximum cable length for VDSL communication is 1000m. Physical Specifications Depth Rating Temperature ranges Specifications subject to change according to a policy of continual development. Document: 0685-SOM-00002,...

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