Underwater Hardware Specifications
Interface RS-232 serial interface @ 115.2 kbps (or optional RS-485)
Frequency 330 kHz / 800 kHz
Transducer Beam Width
330 kHz: 1.8° x 60°
800 kHz: 0.7° x 30°
Range Resolution
Both sides displayed: Range scale ÷ 250
Single side displayed: Range scale ÷ 500
Power Supply 10 – 16 VDC at 300 mA max.
Electronics Dimensions See drawing
Transducer Dimensions See drawing
Weight in Air
Transducers: ~300 g (0.7 lbs) each (with 24” pigtail)
Electronics: ~70 g (0.2 lbs)
Software Specifications
Win881ss.exe v4.00
Windows™ Operating System Windows™ XP, Vista, 7, 8, 10
Modes Side Scan
Range Scales
15 m, 30 m, 60 m, 90 m, and 120 m
(50’, 100’, 200’, 300’, and 400’)
File Format (filename).81s
GPS Input (4800, N, 8, 1)
NMEA 0183 Formats: GLL, GGA, VTG, RMC
Recommended Minimum Computer Requirements
100 MHz Pentium
16 MB RAM
1 GB Hard Disk
800 x 600 x 256 colour graphics
Ordering Information
330 kHz / 800 kHz Unit with Remote Mount Transducers w/24" pigtail* 881-000-157
*Note: Various connector/cable configurations available to be specified upon ordering.
RS-485 Option -007
Remote Mount Transducers with connector* Option -026
*Note: Various connector/cable configurations available to be specified upon ordering.
Remote Mount Faired Transducers Option -027