837C DDS
Long Range Diver Detection Sonar
Underwater Hardware Specifications
Frequency
60 kHz
Source Level
207 dB
Transducer Beam Width
(nominal)
Receive: 360° x 17°
Transmit: 360° x 6°, 8°, 12°, or 24°
Effective Beam Widths
0.75°
Data Points
500 or 1000 cells
Range Resolution
1/500 or 1/1000 of range
Min. Detectable Range
10 m
Max. Operating Depth
50 m
Synchronization
External Trigger Pulse
Interface to PC
10/100 Mbps Ethernet (100 BASE-Tx) using TCP/IP
Max. Cable Length
Standard: 100 m on CAT5e
Connector
End mounted, 8 conductor, wet mateable
(Subconn MCBH-8M-SS)
Power Supply
48 V Nominal, (36 – 60 VDC) at less than 35 Watts
Dimensions
See Drawing
Weight in Air
50 kg
Weight in Water
25 kg
Materials
PVC, Polyurethane, Epoxy, Stainless Steel connector
Software Specifications
DDS360.exe
Windows™ Operating System
Windows™ XP, Vista, 7, 8, 10
Display Modes
Polar, Beam Test
Persistence (Trail)
1 – 600 seconds
Range Scales
10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m, 100 m, 150 m, 200 m, 250 m, 300 m, 400 m, 500 m
Pulse Width
Automatic with manual multiplier
Manual Gain Control
0 to 20 dB
Built in Test
On/Off indication of individual receive staves (16 x 4)
File Format
Raw Data: (filename).96B
Beam (floating point): (filename).83Q
Recommended Minimum Computer Requirements
2 GHz Pentium 4
256 MB RAM
20 GB Hard Disk
1024 x 768 screen resolution
Optional Specifications
Orientation Module (accuracies)
Pitch & Roll: ± 0.1° typical
Heading: ± 1.0° typical
Depth: ± 0.5% of FS typical
Temperature: ± 0.5°C typical
Gyro Compass
Fizoptika VG910Q
