881A 330 kHz Echo Sounder

Model 881A
330 kHz Digital Echo Sounder

The Imagenex Model 881A 330 kHz Echo Sounder is a completely self-contained echo sounder with a serial output.  It is mounted in a pressure-proof housing with an underwater connector for use in depths up to 1000 meters (~3000 feet).  It can be used as a standard echo sounder or with digitized first returns only.  Its requirements are minimal, needing only a power source and a digital interface to an external device such as a personal or laptop computer.

881A 330 kHz Echo Sounder

Underwater Hardware Specifications

Frequency

330 kHz

Transducer

Conical

Transducer Beam Width

20° (Standard)

Range Resolution

10 m & up:  10 mm (0.4”)

Min. Detectable Range

1 m (39”)

Max. Operating Depth

1000 m

Max. Cable Length

1000 m on typical twisted shielded pair (RS-485)

Interface

RS-485 serial interface @ 115.2 kbps (or optional RS-232)

Connector

Side mounted, four conductor, wet mateable (Subconn MCBH4M-AS)
Optional right angle or end mount connector

Power Supply

20 - 36 VDC at less than 3 Watts

Dimensions

79.4 mm (3.125") diameter x 139 mm (5.5") length

Weight in Air

~1.1 kg (2.3 lbs)

Weight in Water

TBA

Materials

6061-T6 Aluminum & PVC

Finish

Hard Anodize

Software Specifications

Win881AE.exe

v2.00

Windows™ Operating System

Windows™ XP, Vista, 7, 8, 10

Modes

Echosounder

Range Scales

10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 80 m, 100 m, 150 m, 200 m

File Format

(filename).81g

Recommended Minimum Computer Requirements

100 MHz Pentium
16 MB RAM
1 GB Hard Disk
800 x 600 x 256 colour graphics

Ordering Information

1000 m Unit

881-000-144

RS-232

Option               -006

End mount connector

Option               -009

Right angle connector

Option               -010

881A 330 kHz Echo Sounder

Features

  • Programmable
  • High performance
  • Low power
  • Simple set-up and installation
  • Digital telemetry
  • 10 m to 200 m operation
  • Compact size
  • Communication format available to user

Applications

  • ROV, AUV, & UUV
  • Offshore Oil & Gas
  • Surveying
  • Underwater Archaeology
  • Scientific Research

Find a product