FD-F750EL Dual-Frequency 2D Forward-Looking Multi-Beam Imaging Sonar

Precision meets power. Experience 140°wide-angle coverage, 200m maximum detection range, and real-time collision avoidance. With dual-frequency flexibility (375kHz–2.1MHz) and 1500m depth rating, it delivers ultra-high-resolution underwater imaging for marine exploration, safety, and industrial applications.

Core Product Advantages

✅ Dual-Frequency Flexibility

Seamlessly switch between selectable frequency points (375kHz–2.1MHz) with a central beamwidth of 0.6°at 1.2MHz. Customize frequencies to balance detection range and resolution for specific operational needs, whether shallow-water surveys or deep-water exploration.

✅ Exceptional Detection Range & Coverage

Achieve a maximum detection range of 200m (at 1MHz) / 200m (at 375kHz), paired with a 140° maximum horizontal field of view and a default depth rating of 1500m. Cover vast underwater spaces with clear, wide-angle imaging and reliable depth performance.

✅ High-Resolution Multi-Beam Imaging

Equipped with a configurable number of beams and precise beam width control (horizontal center beam width ranging from 1.7°to 0.8°across models), the sonar delivers sharp, detailed underwater imagery. Enjoy ultra-fine resolution down to 2.5mm, capturing critical details of underwater targets with unmatched clarity.

✅ Collision Avoidance Excellence

Designed as a dedicated Collision-Avoidance Type device, it actively identifies the top 10 strongest targets, displaying their azimuth and distance in real time. With a working blind spot of ≤0.3m, it minimizes detection gaps to ensure maximum safety in dynamic marine scenarios.

✅ Robust & Reliable Design

Support for maximum working water depths of 300m, 500m, or 1.5km, and an operational speed of up to 6 knots (no functional compromise, only optimized detection range adjustment). The sonar operates flawlessly in harsh marine conditions, with an input voltage range of 18 to 50VDC for stable power supply.

Technical Specifications

•Refresh Rate: Up to 40Hz (frame rate), ensuring real-time, smooth data updates.

•Transmission Modes: CW or CHIRP with automatic/manual selection for adaptive signal transmission.

•Collision Avoidance Frequency: 10kHz to 200kHz, with a single-frequency sweep bandwidth of 80kHz for accurate target tracking.

•Lightweight & Durable: Weighing approximately 840g/350g (300m/500m models) or 1.3kg/700g (1.5km model), with a compact, rugged build for easy installation and long-term use.

Model-Specific Performance

Tailor your solution to unique operational requirements with a range of models (0375, 0407, 700C, 0712, 1218, 1221, 0900) covering frequencies from 375kHz to 2.1MHz. Each model is optimized for distinct detection ranges, beam widths, and environmental conditions, ensuring a perfect fit for your underwater imaging and collision avoidance tasks.