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Product Survey > Single-beam Echosounders > RESON

RESON

  09/02/2012
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Brand RESON
Year of initial development 2001
Product NS 410, NS 415, NS 420
Max. power consumption (W) 60
Power (DC, AC) 10-28VDC, 110-230VAC
Weight (in air) and dimensions (w x h x d) of transducer/transceiver 15kg; 35.5cm x 41cm x 23.4cm
Weight and dimensions (w x h x d) of display and logging unit Above includes paper display/logging unit
Portability of logger (rack, desktop, portable) Portable, 19'' rack mount
Software platform (Windows, other) N/A
Depth range of operation (m) 0.2-1,200
Frequency range (kHz) 28-35 and 190-225. Others available on request: 15-600
Number of frequencies supported simultaneously 1-2
Power output of transducer at standard frequencies 0.3W @ 200kHz
Beam angles (along and across) Transducer dependent; select from RESON's extensive range of hydrographic transducers
Depth resolution, accuracy Resolution: 1cm. Accuracy: 1cm @ 200kHz, 7cm @33kHz
Max. pulse sounding rate NS 410: 20Hz; NS 415: 20/10Hz; NS 420: 20Hz
Pulse length 4 to 256 cycles
Are heave, pitch and roll corrections included? Heave input for all models
Capable of being operated remotely (e.g. via PC) Yes - using NaviSound Control Centre Utility
Supported external data inputs (heave/roll/pitch, positioning) Heave and GPS
Can events and annotations be marked? Yes
Can sound velocity and temperature profiles be included in real time ? Average speed of sound
Is real-time coupling to survey/post-processing software possible? Yes
What data are displayed in real time (e.g. depth, classification, thickness)? Depth, heave correction and graphical printout of sounding
Data output options (e.g. raw data, transducer and motion-corrected depth, sea floor classification) Graphic sounding data, depth data, GPS loop-through. Output to optional equipment
Data output formats NMEA, DESO25, NaviSound, Graphic Trace format
How are data displayed? Depth on LCD display, sounder graphics on 21cm thermal paper record
Connection possibilities RS232
How are data internally logged? N/A
Main use of the system Hydrographic surveys, dredging surveys where portable paper-output survey grade sounder is required



     


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Members of the US Geological Survey were filmed while out on the Missouri River at Williston, North Dakota, USA, performing a hydrographic survey to monitor the state of riverbed erosion. They were using a multibeam echo sounder which transmits sound energy and analyses the return signal (echo) that has bounced off the riverbed or other objects. Multibeam sonars emit sound waves from directly beneath a ship's hull to produce fan-shaped coverage of the riverbed. 


Gauge height at the Williston gauge was approximately 27.65 feet when this video was taken. Additional information about the USGS streamgauge at Williston is available at http://waterdata.usgs.gov/nd/nwis?program=nwisman&site_no=06330000

 

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