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DT-X SUB Autonomous Submersible Scientific Echosounder


Product Features

BioSonics Autonomous Echo Sounder for Ocean Observatory
  • Depth rated pressure housing
  • Multi-frequency, multi-channel transducer configurations for species identification
  • 38, 70, 120, 200, 420, 1000 kHz split beam and single beam
  • Simultaneous transmission an all frequencies
  • Battery operated; Programmable duty cycle for power conservation
  • All data automatically logged -terabyte data storage capacity
  • Compatible with non-continuous power supplies, automated shutdown and reboot based on power availability
  • Side-looking, up-looking, or down-looking configurations for complete vertical and horizontal water column coverage.
  • Integrated transducer orientation sensor (pitch and roll) included for verification of transducer aim
  • Automatic target detection
  • Low bandwidth data summary reports sent over acoustic modem satellite networks
  • Integrated pan & tilt system for programmable sector scanning
  • Automated reporting; target strength, echo counting, echo integration, SV, 3-D fish and marine mammal tracking
  • Raw data storage for post processing ; Echoview, Sonar5, BioSonics


DT-X SUB Autonomous Submersible Scientific Echosounder The DT-X SUB is a completely self-contained echosounder solution for autonomous deployments where cabling to the surface may be cost-prohibitive or impractical. DT-X scientific echosounder technology is packaged in a pressure rated housing that is adaptable for deployment via AUV, ROV, or seafloor observatory platform.


  • Long-term, self-contained, autonomous deployments
  • Seabed mount, mid-water mooring, surface buoy
  • Modular OEM integration with AUV, ASV, ROV platforms
  • Biological ocean observation
  • Fish size, distribution and abundance
  • Marine mammal detection
  • Plankton distribution and vertical migration
  • School detection and single target detection



  • Housing: 10” diameter x 22” length
  • Digital transducer:
    • 7.2” diameter x 6.25” (200, 420 kHz)
    • 10.3” diameter x 8.5” (38, 70, & 120 kHz)

Power System

  • External Battery, 11-24 Volts DC
  • SMART power control eliminates surges and ensures safe shut-down when power is low and reboot only after recharge

Communication and Data Storage

  • High-capacity storage drives
  • USB and Ethernet ports for echosounder configuration and data retrieval
  • Integrated data storage and power management system

Echosounder Unit

  • Fully programmable
  • Self diagnosis and calibration on start-up
  • Fully selectable configuration options
  • Integrated orientation sensor
  • Programmable duty cycle

Transducer Options

  • Scientific split beam technology
  • Wide range of standard frequencies for numerous fisheries and habitat assessment applications; 38, 70,120, 200, 420, &1000 kHz
  • Ultra-low side lobes to -35 dB
  • Multiple frequencies from a single echosounder

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