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Tritech Device / Instrument

Gemini NBI

620 kHz narrow vertical beam imaging sonar with 130° swath and up to 30 scans per second for mining, excavation and trenching; titanium, 4000 m.

Description

The Gemini NBI is a narrow vertical beam imaging sonar intended for precise positioning relative to known targets rather than general obstacle avoidance. It operates at 620 kHz and covers a 130° sector.

Key features

  • 620 kHz operating frequency
  • 130° swath with update rates up to 30 scans per second
  • 10 mm range resolution and 0.5° horizontal angular resolution
  • Titanium housing rated to 4000 m
  • Supported by Seanet Pro and Gemini software; SDK available

Applications

Subsea mining, excavation and trenching vehicles that need accurate positioning against seabed features and structures.

Specifications

Operating frequency620 kHz
Depth rating4000 m
Swath130°
Range resolution10 mm
Horizontal angular resolution0.5°
Update rateup to 30 scans per second
MaterialTitanium

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