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PRODUCTS
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IMAGENEX MODEL 878
“RGB” SIDESCAN SONAR
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APPLICATIONS:
- Underwater Archaeology
- Sunken Timber Recovery
- Search & Recovery
- Surveying
- Law Enforcement Work
- Scientific Research
- Environmental Survey
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FEATURES:
- Triple frequency
- High resolution 1000 data points per side
- 300 m depth rating
- Up to 1000 m (3000') total coverage
- 23 m (75') tow cable included
- LAN compatible
- Built-in track plotter
- Built-in internal GPS receiver
- Built-in orientation module
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Patent Pending
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The Imagenex Model 878 “RGB” Sidescan Sonar is the next generation in high resolution sidescan sonar. The unit runs three simultaneous sonars on each side at different sound wavelengths, providing enhanced image clarity and now, for the first time, the ability to discriminate targets based on their acoustic “colour”. Just as your eyes see in colour, the RGB sonar uses different wavelengths of sound, translating them directly to colours on the display of a Windows™ based laptop or desktop PC. To further enhance these unique sonar capabilities, the towfish is equipped with an echo sounder and a built-in orientation module as well as depth and temperature sensors.
The Model 878 system comes as a completely integrated package including towfish, cable, GPS enable surface interface box, and Microsoft Windows™ based real time operation and data playback software, thus providing a complete, easy to use, but highly advanced acoustic bottom visualization system.
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UNDERWATER HARDWARE SPECIFICATIONS:
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SIDESCAN:
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FREQUENCY
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120 kHz / 260 kHz / 540 kHz
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TRANSDUCER
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Three transducers per side,
tilted down 20o
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TRANSDUCER BEAM WIDTH
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1o x 60o
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RANGE RESOLUTION
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Range scale / 1000
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ECHO SOUNDER:
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FREQUENCY
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200 kHz
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TRANSDUCER
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Conical
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TRANSDUCER BEAM WIDTH
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10o
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RANGE RESOLUTION
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Range scale / 1000
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ORIENTATION MODULE (accuracies):
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PITCH & ROLL
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± 0.1o typical
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HEADING
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± 1.0o typical
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DEPTH
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± 0.5% of FS typical
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TEMPERATURE
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± 0.5oC typical
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MAX. OPERATING DEPTH
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300 m (~1000')
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MAX. CABLE LENGTH
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1000 m using built-in Ethernet extender
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INTERFACE
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Up to 2.3 Mbps Ethernet (10 BASE-T) using TCP/IP
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CONNECTOR
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Wet mateable (Impulse MCBH-4-MP)
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POWER SUPPLY
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40 - 55 VDC at less than 15 Watts,
supplied from Surface Interface Box
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DIMENSIONS
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See drawing
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WEIGHT: In Air
In Water
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~75 lbs
~40 lbs
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MATERIALS
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6061-T6 Aluminum, PVC, 300 Series Stainless Steel, Polyurethane & Zinc
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FINISH
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Hard anodized
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SOFTWARE SPECIFICATIONS:
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RGB SideScan.exe
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WINDOWS™ OPERATING SYSTEM
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Windows™ XP, Vista
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ZOOM MODES
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1x, 2x, 3x, 4x, and 5x dynamically moveable
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RANGE SCALES:
SIDESCAN:
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RGB MODE:
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10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m,
100 m, 125 m
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120 kHz:
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10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m,
100 m, 125 m, 150 m, 200 m, 250 m,
300 m, 400 m, and 500 m
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260 kHz:
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10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m,
100 m, 125 m, 150 m, 200 m, and 250 m
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540 kHz:
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10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m,
100 m, 125 m
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ECHO SOUNDER:
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10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m,
100 m, 125 m, 150 m, and 200 m
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FILE FORMAT
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(filename).RGB
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GPS INPUT (4800, N, 8, 1)
NMEA 0183 FORMATS:
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GLL and VTG; GGA and VTG; RMC
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RECOMMENDED MINIMUM
COMPUTER REQUIREMENTS:
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800 MHz Pentium 3
256 MB RAM
2 GB Hard Disk
1024 x 768 x 256 colour graphics
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ORDERING INFORMATION:
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300 m unit w / 23 m tow cable
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Standard
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878-000-150
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Surface Interface Box
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Standard
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878-000-001
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60 m (200') Sidescan tow cable
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Option
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-021
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100 m (330’) Sidescan tow cable
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Option
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-033
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