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Simultaneous Dual Frequency Side Scan Sonar
The GeoScan 2491 is a next-generation, high-definition Side Scan Sonar that excels across diverse subsea survey demands. With 400 kHz & 900 kHz dual-band operation, ultra-short pulses, and dynamic aperture focusing, it ensures exceptional imaging resolution and range clarity. Enhanced by automated image equalisation and built-in navigation and depth sensors, it delivers pristine, reliable data in even the most demanding environments and ideal for end-users that need the best image resolution. "“GeoScan 2491 — See Sharper, Reveal More.”
Features
400 kHz & 900 kHz Dual-Band Power — Harnesses simultaneous dual-frequency operation to deliver ultra-fine detail.
High-Definition Imaging — Operates with a 60 kHz bandwidth for crystal-clear, broadband visuals.
Ultra-Short Pulses + Pulse-Compression — Enhances across-track and image resolution for precision.
Easy deployment from small vessels of opportunity
Intuitive operation by non-specialized personnel
Rugged, water-protected deck unit
Towed or vessel fixed mount
Stainless steel construction with shear release tow point / carry handle.
CW & Chirp Pulse Modes
No near-field blurring
Superior terrain visualisation
Dynamic Variable-Aperture Focusing — Sharp detail close-up and clean clarity at longer ranges
Auto Image Equalisation — Boosts contrast and definition automatically across diverse terrains.
Integrated Sensors for Navigation & Depth — Embedded pitch, roll, heading, and pressure sensors ensure accurate, seamless data.
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