EdgeTech marine sonar systems and sub-bottom profilers

Advanced underwater technology and marine sonar equipment from EdgeTech / EdgeTech Marine deliver high-resolution seafloor imaging and offshore geophysical surveying.

EdgeTech 4205 side scan sonar systems

EdgeTech 4205 side scan sonar systems are engineered for high-accuracy seabed imaging and offshore surveys in coastal waters down to 2000 meters. The unit supports tri-frequency Full Spectrum CHIRP operation and high-speed towing. Stainless steel construction protects internal acoustic arrays.

Tri-frequency configurations 120/410/850 kHz and 230/540/850 kHz for versatile surveys
Rugged stainless steel towfish rated for operational water depths down to 2000m
Motion Tolerant multi-pulse processing preserves data quality during vessel rolling
Seamless topside control and real-time visualization via EdgeTech Discover software

EdgeTech 4125 portable side scan sonar systems

EdgeTech 4125 portable side scan sonars are designed for rapid search and recovery SAR operations and shallow-water port inspections. The dual-frequency acoustic path delivers crisp imagery of small seafloor targets. The entire system is quickly deployed by a single technician from small craft.

Dual-frequency CHIRP combinations of 400/900 kHz or 600/1600 kHz for fine target detection
Lightweight towfish weighing only 15.5 kg for manual deployment without heavy deck winches
Splashproof portable topside case operating from AC mains or DC 12-24V shipboard supplies
Dedicated operational modes for maritime search, pipe route surveys, and pier assessments

EdgeTech 6205 combined bathymetry and side scan sonars

EdgeTech 6205 combined systems integrate wide-swath bathymetric depth mapping and dual-frequency side scan sonar. Multi-Phase Echo Sounder technology creates continuous depth swaths without nadir gaps beneath the vessel. The platform is proven by the GEUS geological survey in Denmark.

Multi-Phase Echo Sounder MPES technology delivering up to 200 degrees bathymetric swath
Co-registered calibrated bathymetry and photo-quality side scan acoustic imagery
Complete elimination of the nadir data gap to significantly reduce survey track lines
Proven field deployment by Denmark GEUS geological survey for shallow seabed mapping

EdgeTech 3400 wideband sub-bottom profiling systems

EdgeTech 3400 wideband sub-bottom profilers are built for high-resolution geological mapping of subsea sediment layers. The system transmits calibrated CHIRP pulses across the 2 to 16 kHz band. High acoustic penetration reveals fault lines and sediment strata below the muddy seafloor.

Full Spectrum CHIRP frequencies from 2 to 16 kHz with vertical resolution down to 6 cm
Acoustic sub-bottom penetration reaching tens of meters into soft marine sediments
Flexible deployment options including over-the-side pole mounts or towed hydrodynamic fish
Accurate detection of buried submarine pipelines, subsea cables, and bedrock horizons

EdgeTech 2050-DSS deep-towed combined sonar systems

EdgeTech 2050-DSS combined systems merge tri-frequency side scan sonar and wideband sub-bottom profiler in a single towed platform. The reinforced body withstands hydrostatic pressure at water depths down to 3000 meters. The unit serves deep offshore pipeline routes and cable surveys.

Simultaneous acquisition of side scan imagery and sub-bottom sediment profiles in one pass
Operational towing depths down to 3000m (and up to 6000m in the deep-water 2400 series)
High-speed data multiplexing over single coaxial tow cable or optical fiber umbilical
Seamless integration of heading, roll, pitch, altimeter, and towed magnetometer payloads

EdgeTech PORT / CART acoustic release and telemetry systems

EdgeTech acoustic releases across the PORT, CART, and 8242XS series provide reliable anchoring and recovery for seabed observatories. The mechanical release latch resists marine biofouling and silt accumulation. Secure coded acoustic commands prevent accidental underwater release.

Working load ratings from 250 kg coastal units up to heavy-duty models holding tens of tons
Depth ratings spanning from shallow coastal harbors down to full ocean trenches at 12000m
Extended battery life providing uninterrupted autonomous deployment from 2 to 5 years
Versatile topside command decks PACS and high-reliability acoustic transceivers 8011M

Structural engineering and hydrodynamics of EdgeTech 4205 towed sonar fish

EdgeTech 4205 multi-frequency side scan sonar systems are built for demanding hydrographic missions down to depths of 2000 meters.

The main towfish frame is manufactured from high-grade stainless steel to ensure mechanical survivability against seabed collisions and prevent galvanic degradation in saline waters.

Streamlined tail fins ensure stable heading control without roll oscillations during high-speed towing up to 10 knots. Precision acoustic transducer arrays and matching matching networks are housed in sealed internal cavities.

A modular internal layout provides rapid access during routine maintenance cycles.

High-speed marine surveying with Motion Tolerant multi-pulse processing

Motion Tolerant dynamic motion compensation technology allows EdgeTech 4205 sonars to preserve continuous seafloor coverage during heavy ocean swells.

When surface survey vessels experience severe pitch and roll movements, standard single-pulse sonars generate striped acoustic imagery with data gaps. The Motion Tolerant algorithm radiates dynamic sequences of wideband CHIRP pulses with adaptive beam steering.

Built-in precision motion sensors continuously stream attitude angles into the topside Discover processor. This enables hydrographic teams to maintain high-resolution survey operations even under adverse sea state conditions.

Multi-Phase Echo Sounder bathymetry without nadir gaps on EdgeTech 6205

EdgeTech 6205 combined survey platforms utilize advanced Multi-Phase Echo Sounder interferometric technology. Unlike conventional multibeam echo sounders, this system generates co-registered calibrated side scan mosaics and dense bathymetric soundings across swaths up to 200 degrees.

A primary architectural advantage is the complete elimination of the nadir data gap directly under the survey vessel keel. This significantly reduces the total vessel track lines needed when mapping shallow channels and coastal margins.

The system is verified in Denmark by the GEUS national geological survey.

Subsea sediment acoustic profiling with EdgeTech 3400 wideband profilers

EdgeTech 3400 wideband sub-bottom profilers are deployed for marine geotechnical investigations and buried subsea utility tracking. The unit generates frequency-modulated Full Spectrum CHIRP pulses spanning the 2 to 16 kHz band.

Advanced digital matched filtering yields vertical sediment strata resolution down to 6 centimeters with penetration reaching tens of meters into marine mud and sand. The apparatus clearly resolves lithological boundaries, shallow gas pockets, geological faults, and silt-covered pipelines.

The transducer array can be mounted on an over-the-side pole or towed inside a hydrodynamic fish.

Mooring deployment and acoustic verification protocols for PORT releases

EdgeTech PORT, CART, and 8242XS series acoustic releases serve as dependable underwater actuation links for autonomous oceanographic buoy moorings. Pre-deployment preparation involves verifying titanium pressure housing seals and testing residual internal battery capacity.

Topside PACS command decks transmit secure multi-frequency acoustic telemetry codes that prevent inadvertent triggering from background maritime noise.

The heavy-duty drop-hook release mechanism supports working loads up to tens of tons and retains smooth actuation after years of continuous immersion in seabed sediments.

Comprehensive technical diagnostics and maintenance of EdgeTech sonars

Regular maintenance of EdgeTech marine hydroacoustic equipment ensures operational reliability and measurement accuracy during offshore survey campaigns.

Technical routines include testing transmitting and receiving transducer ceramic impedances, checking tow cable insulation integrity, and calibrating internal motion sensors.

SubConn underwater connectors and neoprene seals require systematic cleaning and lubrication with marine-grade silicone grease to prevent high-pressure water ingress.

Periodic sea trials and hydrodynamic tank tests confirm acoustic beam alignment and software telemetry stability prior to major expeditions.

EdgeTech / EdgeTech Marine and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of EdgeTech / EdgeTech Marine and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.