Bathymetric systems
DT101: Multibeam Profiling Sonar
The new DT101 Multibeam Profiling Sonar (i.e. Multibeam Echo Sounder) is a single instrument integrating the sonar, motion reference unit (MRU), and sound velocity sensor into one sleek and compact unit. The DT101 requires only one cable for operating all three sensors and is a portable solution for any survey.
Specification:
Frequency
Selectable 260 kHz / 330 kHz / 770 kHz
Maximum Range
Maximum Range 200 m (650 feet)
Maximum Operating Depth
300 m (1000 feet)
Towfish Dimensions
11.4cm (4.5î) diameter x 83.3cm (32.8î) length
Towfish Weight
5.4 kg (12 lbs) in air
1.8 kg (4 lbs) in water (not including ballast)
837B Delta T: Multiple Receiver Sonar System
The Model 837 “Delta T” is a multiple receiver sonar system designed to provide high-speed imaging with all the advantages of underwater sonar. Innovative digital signal processing is used to optimize data usage from all channels to achieve the best possible resolution at every point in the field of view. Recent advances in computing power have made it possible to transfer and process this data at resolutions equal to computer monitor resolution, and with image frame rates of better than 20 frames per second.
Specification:
Modes of Operation
Manual, Autonomous, Semi-Autonomous
SDA-1: Shark Digital Altimeter
The Shark Digital Altimeter or SDA1 provides accurate depth readings up to 180 meters (590′). The SDA1 is very compact and available with several different mounting options (shown with a Navigator Mount) for easy integration.
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