Hydro-Tech Marine is a leading developer of underwater and hydrographic survey equipment for USVs (uncrewed surface vessels) and unmanned underwater vehicles such as ROVs (remotely operated vehicles) and AUVs (autonomous underwater vehicles).
We are experts in acoustic and sonar technology and in addition to our off-the-shelf products, we can leverage our strong research and development capabilities to create bespoke underwater surveying solutions to meet unique and demanding requirements.
Multibeam Echosounders
MS8240
Multifunctional multibeam echosounder with adjustable frequency
The MS8240 is a high-performance multifunctional echosounder that offers an adjustable frequency range of 150 to 450 kHz in 10 kHz increments, as well as options for operation at higher frequencies of 500, 600 and 700kHz. The versatile unit is ideal for detailed USV surveys of inland rivers, lakes, reservoirs, and shallow coastal waters.
Featuring excellent anti-interference capabilities for reliable operation in complex environments, the MS8240 provides a range of useful measurement functions including water depth measurement, seabed terrain rendering, and object detection.
Learn more: MS8240 Multifunctional multibeam echosounder
MS400U
All-in-one multibeam echosounder with SVP & INS
The MS400U is a low-SWaP multibeam echo sounder that has been specially optimized for small USVs and UUVs. Featuring an integrated surface sound velocity profiler and AHRS (attitude & heading reference system), it is ideal for a wide variety of hydrographic applications as well as underwater terrain surveying and bridge inspection.
The system has been specifically optimized to deal with large changes in attitudes experienced by smaller unmanned vessels, utilizing 512 acoustic beams with sophisticated dynamically-focused beamforming technology. The MS400U meets the International Hydrographic Organization (IHO) accuracy standards for hydrographic surveys.
Learn more: MS400U All-in-one multibeam echosounder
MC400C
Compact fully-integrated multibeam echosounder for small USVs
The MS400C multibeam echo sounder incorporates an SVS, IMU and GNSS receiver into a single streamlined solution with no need for a separate deck unit, simplifying installation and enabling rapid deployment. The system is optimized for small USVs, offering robust bathymetric performance in an ultra-portable package that weighs just 5.55kg.
Designed to enhance survey efficiency, the MS400C features factory-aligned sensors and software-preconfigured coordinate relationships, allowing users to get up and running in under five minutes. With up to 512 beams, a 143° swath, and sub-centimeter depth accuracy, it delivers exceptional mapping fidelity across reservoirs, lakes, and inland waterways.
Learn more: MS400C Multibeam echo sounder
ES Series Side Scan Sonar
Embedded side scan sonar for USVs, ROVs & AUVs
The ES Series of embedded side scan sonars features frequency options of 450 kHz, 900kHz, or both. Utilizing self-adapting wave adjustment technology and advanced broadband signal processing, the system is ideal for a variety of high-definition underwater imaging applications.
The lightweight and compact sonars can be connected via Ethernet or RS232 serial, and also provide 8 programmable TTL synchronous control outputs, solving common issues with acoustic interference and synchronization control.
Learn more: ES Series Side Scan Sonar Systems
SVP1500 Sound Velocity Profiler
Sound velocity profiler for underwater mapping & surveying
The SVP1500 sound velocity profiler provides accurate speed of sound information and depth measurement for a wide range of applications including underwater mapping and surveying and marine construction. With a high sampling rate and advanced time-of-flight measurement technology, it can measure sound velocity at accuracies of 0.05m/s, and depth at an industry-leading precision of 0.15m.
The lightweight and corrosion-resistant SVP sensor includes a built-in high-performance lithium battery that provides a continuous working life of more than 8 hours, and a storage capacity of 16GB for logging over 4000 hours of data.
Learn more: SVP1500 Sound Velocity Profiler (SVP)
SVS1500 Sound Velocity Sensor
Sound velocity sensor with advanced time-of-flight measurement
The SVS1500 is a sound velocity sensor that utilizes advanced time-of-flight measurement technology and digital signal processing to provide measurements with accuracies down to 0.05m/s. With an output rate of up to 30 Hz, the sensor can quickly respond to sudden and rapid changes in water current and sound velocity.
The lightweight and compact sensor is constructed from advanced materials with ultra-low coefficient of thermal expansion, ensuring high performance and minimal deformation while maintaining excellent precision in challenging underwater environments.
Learn more: SVS1500 Sound Velocity Sensor
Applications
Hydrographic Surveying
Combined with USVs and UUVs, our hydrographic survey instruments are ideal for a wide range of use cases, including reservoir dredging, oil and gas, marine construction, and more.
Maintenance & Inspection
Our underwater survey solutions enable easier, safer and more cost-effective maintenance and inspection of critical infrastructure and facilities such as bridges, docks, wind farms and offshore energy facilities.
Search & Rescue and Disaster Response
Our high-accuracy side scan sonars can profile shipwrecks and locate people as well as small objects of interest, producing detailed images of underwater environments even in low-visibility conditions.
