Hydrographic Survey Equipment: Multibeam Echo Sounders, Side Scan Sonars, Sound Velocity Sensors & Profilers

Hydrographic Survey Equipment: Multibeam Echo Sounders, Side Scan Sonars, Sound Velocity Sensors & Profilers
Building 5, No 33, Jingsheng South 2nd Street, Tongzhou Dist., Beijing China Regional offices
+86-10-5727 5310

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.

MS400U Multibeam Echo Sounder

Compact multibeam echo sounder for USVs

Multibeam Echo SounderThe MS400U is a compact, lightweight and low-power multi-beam echo sounder that has been specially designed for small unmanned platforms such as USVs. Featuring an integrated surface sound velocity profiler and AHRS (attitude & heading reference system), it is ideal for surveying bodies of water such as lakes, reservoirs and rivers.

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.

Multi Beam Echo Sounder

MS400U Echo Sounder used on OceanAlpha SL40 USV

ES Series Side Scan Sonar

Embedded side scan sonar for USVs, ROVs & AUVs

ROV Side Scan Sonar Systems

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.

hydrographic survey equipment

Learn more: ES Series Side Scan Sonar Systems

SVP1500 Sound Velocity Profiler

Sound velocity profiler for underwater mapping & surveying

SVP Sensor for underwater surveyingThe 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.Sound Velocity Profiler SVP Sensor

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

sound velocity sensorsThe 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


hydrographic survey instruments

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.

hydro survey

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.

underwater surveying

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.

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Regional Offices & Locations
Beijing Hydro-Tech Marine Technology Co., Ltd. China Building 5, No 33, Jingsheng South 2nd Street, Tongzhou Dist., Beijing +86-10-5727 5310 Contact Website