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Hydrographic survey echo sounder DT101
multibeam

hydrographic survey echo sounder
hydrographic survey echo sounder
hydrographic survey echo sounder
hydrographic survey echo sounder
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Characteristics

Application domain
for hydrographic surveys
Technology
multibeam

Description

MULTIBEAM PROFILING SONAR with Internally Integrated Motion Reference Unit & Sound Velocity Sensor The 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. Compatible with the DT100 SIR (Sensor Interface Relay) power supply/timing box, simply connecting a dual antenna GNSS/GPS receiver is all that is required to perform bathymetric surveys. Underwater Hardware Specifications Frequency 240 kHz Swath Width (nominal beam geometry) Transmit: 120° x 3° Receive: 120° x 3° Effective Beam Widths Narrow: 0.75° Medium: 1.5° Wide: 3° Number of Beams Default: 480 Selectable: 240, 120 Range Resolution Screen: 0.2% of range Output: 0.02% of range Range 75 m (246’) water depth 150 m (492’) slant range Min. Detectable Range 0.5 m (1.6’) below transducer Motion Reference Unit Internally mounted OEM version of CDL MiniSense3 Pitch and Roll Accuracy: 0.04° Heave: 5 cm or 5% (whichever is greater) Sound Velocity Sensor Internally mounted OEM version of AML Micro•X 1400 m/s to 1600 m/s +/- 0.025 m/s Max. Operating Depth (Submersion depth) 300 m (984’) Contact Imagenex if a greater depth rating is required Interface to PC Ethernet (100 Mbps) using TCP/IP Max. Cable Length 100 m (328’) on CAT5-e, longer cable runs possible with additional hardware Connector Underwater wet-mateable 8 conductor Power Supply (Sonar Head Only) 22 - 32 VDC at less than 15 Watts
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