852 Ultra-Miniature Imaging

ULTRA-MINIATURE SCANNING SONAR

The Model 852 Digital Imaging Sonar was designed for use with the smallest of ROV’s.  For maximum flexibility, this is a design with a fluid filled front end and a pressure housing for the electronics.  The unit requires approximately 2.5 Watts from 24 VDC, or optional 48 VDC.  Serial communication is utilized, RS-485 or RS-232 at 115.2 kbps.  This unit will scan a maximum of 360° with a maximum range of 50 meters.  The total weight in water is less than 0.2 kg (0.4 lbs).

852 Ultra-Miniature Imaging

Underwater Hardware Specifications

Frequency

675 / 850 kHz

Transducer

Imaging type, fan beam, fluid compensated

Transducer Beam Width

2.5° x 22°

Transmit Pulse Length

100 microseconds

Range Resolution

20 mm

Min. Detectable Range

150 mm

Max. Operating Depth

300 m

Max. Cable Length

1000 m on typical twisted shielded pair

Interface

RS-485  @ 115.2 kbps (RS-232 optional)

Connector

IE55-1206-BCR Penetrator

Power Supply

22 – 30 VDC at less than 3.6 Watts
Optional 40 – 56 VDC

Dimensions

See drawing

Weight in Air

~270 g (0.6 lbs) with 24” pigtail

Weight in Water

less than 200 g (0.4 lbs) with 24" pigtail

Materials

6061-T6 Aluminum & Polyurethane

Finish

Hard Anodize

Software Specifications

Win852.exe

v2.09

Windows™ Operating System

Windows™ XP, Vista, 7, 8, 10

Modes

Polar, Sector, and Side Scan

Range Scales

5 m, 10 m, 20 m, 30 m, 40 m, 50 m

Sector Size

Sector Mode:  0° – 180°, 18° increments
Polar Mode:  360°, continuous

Step Sizes

Normal (2.25°), Fast (4.5°)

Grid Type

Polar

External Input

Depth, Heading, Turns

File Format

(filename).852

Recommended Minimum Computer Requirements

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

Ordering Information

300 m Unit

852-000-100

RS-232

Option               -006

40 – 56 VDC

Option               -013

852 Ultra-Miniature Imaging

Features

  • Ultra-miniature size is ideal for mounting on today's micro ROV's
  • Continuous rotation
  • Low cost
  • Direct connection to laptop computer

Applications

  • ROV Navigation
  • Diving Support
  • Inspection
  • Search & Recovery

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