Beijing Hydrosurvey Sci. & Tech. Co., Ltd. products

Bathyswath is a comprehensive bathymetric & seabed mapping survey system, derived from the established & respected SWATHplus system, which became Bathyswath 1. Bathyswath 2 is the latest generation of our bathymetric systems.

Introducing the range of StarFish side scan systems, offering portable and high resolution sonar survey solutions at an affordable cost.

The digitalHyd SR-1 is an autonomous recording device designed for user-friendly operation in underwater acoustic signal acquisition activities. Its compact construction and functionalities allows for the implementation of efficient measurement strategies, thus, avoiding the requirement of large operational human and material resources for deployment and recovery.

Needle hydrophone are good general-purpose measuring devices. They are available in a wide range of diameters from 4.0 mm down to 0.04 mm. The frequency response of a needle hydrophone is dependent on the size of the active element of the hydrophone and the chart below provides an indication of the frequency range of these devices.