Tritech Gemini 720id Multibeam Imaging Sonar

Available as:
  • Rental
  • Sale (ex rental)

Tritech Gemini 720id Multibeam Imaging Sonar – Available for rental, hire and ex-rental purchase from Ashtead Technology.

Tritech Gemini 720id is a deep-rated real-time multibeam imaging sonar. Utilising an array of transducers, Gemini 720id provides the operator with a 120º constant field of vision of the underwater scene ahead. Gemini 720id has an integrated sound velocity sensor which assists in providing the sharpest real-time images possible and range readings of the highest accuracy. Gemini 720id also provides accurate measurements, crucial in subsea construction and engineering applications.

Gemini 720id can be integrated with a variety of work-class ROVs, including older models, through the use of Ethernet or VDSL communications.

Gemini 720id is the latest addition to Tritech s Gemini multibeam family and is supplied with Gemini s standalone software. Data can also be displayed using Tritech s intuitive Seanet Pro software.

Key features

  • 120m Range for Easy Navigation
  • Deep rated to 4000m
  • Ethernet or VDSL commuication protocols
  • Fast Update rates for video-like imagery
  • Integrated Ethernet and VDSL communication provide flexible interfacing for ROVs / AUVs
  • Integrated velocimeter for accurate ranging
  • Real-time imaging sonar
  • Wide 120ᄚ field of view


  • ROV / AUV navigation
  • Obstacle avoidance
  • Target recognition
  • Search and salvage
  • Subsea monitoring & inspection

Technical specifications

Operating Frequency720kHz
Acoustic Angular Resolution1.0°
Scanning Sector120°
Number of Beams256
Effective Angular Resolution0.5°
Vertical beamwidth20°
RangeFrom 0.5m (1.6ft) to 120m (395ft)
Scan rate7Hz - 30Hz (range dependent)
Range Resolution8mm (0.3") (user selectable)
Power consumption35W
Supply voltage18 - 75V DC
CommsEthernet or VDSL
ConnectorImpulse as standard
Depth Rating4000m (13125ft)