EdgeTech 4125i: Side Scan Sonar
EdgeTech 4125i: Side Scan Sonar
Survey Equipment

EdgeTech 4125i: Side Scan Sonar


The EdgeTech 4125i side scan sonar system is designed with both the Search & Recovery (SAR) and shallow water survey communities in mind. It utilises EdgeTech’s Full Spectrum® CHIRP technology, which provides higher resolution imagery at ranges up to 50% greater than non CHIRP systems operating at the same frequency.


Ultra high resolution images.

Lightweight for one person deployment.

Standard heading, pitch, roll and pressure sensors.

Choice of dual simultaneous frequencies.

Pole mount option for shallow water use.


Runs on AC or DC

Sonar frequencies (dual simultaneous): Choice of either a 400/900 kHz or 600/1600 kHz towfish

Sonar operating range: 150 m @ 400 kHz, 75 m @ 900 kHz; 120 m @ 600 kHz, 35 m @ 1600 kHz

Sonar horizontal beam width: 0.46° @ 400 kHz, 0.28° @ 900 kHz; 0.33° @ 600 kHz, 0.20° @ 1600 kHz

Sonar vertical beam width: 50°


Hydrographic surveys

Geological surveys and hull inspection

Search and recovery

Channel/clearance surveys

Bridge/pier/harbour wall inspection

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