The BioSonics DT-X echosounder
represents the ultimate in digital design for acoustic data
collection. BioSonics engineers have developed revolutionary
technology to digitize the acoustic signal within the transducer
itself, virtually eliminating the noisy analog component
of older technology systems. This process allows the high-speed
transmission of low noise, high-resolution acoustic data
from one or more transducers simultaneously, over a single
digital cable. The DT-X series is designed for the serious
field scientist, with rugged, weatherproof construction
and easy operation in a variety of fixed and mobile survey
applications. Computer controlled and scientifically calibrated,
the DT-X series has sufficient resolution and dynamic range
to process signals ranging from zooplankton to whales and
can accurately assess aquatic vegetation, bottom classification
and bathymetry from depths as little as ½ meter,
up to 800 meters, depending on transducer selection. Systems
feature a full color, real time echogram display, while
storing all data directly to the computer hard disk for
later review and analysis.
Users can choose between
six transducer operating frequencies; 38, 70, 120, 200,
420, and 1000 kHz. All transducers are available in either
single or split beam architecture and can be combined to
operate in a multiplexed configuration from a single surface
unit, allowing researchers to acquire simultaneous acoustic
data from a variety of ranges and targets. Files generated
from the BioSonics DT-X series echosounder can be processed
for fish and plankton counting, distribution, density and
target strength, using Visual Analyzer, submerged aquatic
vegetation assessment using EcoSAV, and bottom classification
and bathymetry using VBT. BioSonics software engineers maintain
a close working relationship with other acoustic processing
vendors, which allows users to easily utilize additional
analysis tools such as the Echoview line of products offered
by Sonar Data. The files produced by DT-X Series echosounders
can be fully integrated with industry standard GPS inputs,
providing accurate, defendable data for GIS representation
of aquatic environments.
Users work closely with BioSonics’
experienced scientists to select the right combination
of components when choosing the DT-X Series system that
will best suit their needs. All systems are delivered
as complete, integrated packages, including a surface
unit, choice of one or more transducers, cables, laptop
computer with Visual Acquisition software and free training.
Please search the BioSonics Applications Page to learn
more about the many uses of this powerful tool, or contact
BioSonics to discuss the specifications of your DT-X series
BioSonics designs and manufactures transducers
specifically for the high performance requirements of
accurate biological and physical feature assessment.
Frequencies include; 38, 70, 120, 200, 420, and 1000
kHz. All are available in single beam architecture for
general survey use or in split beam architecture, which
provides exact target locations within the beam, allowing
target strength correction and target tracking, for
Designed to eliminate errors in data
collection, the DT-X can be operated successfully by
technicians with a minimum of experience.
The acoustic noise floor of a DT-X transducer
is typically lower than -140dB, and can reach as low
as -170dB. The digital architecture eliminates coupled
and induced noise problems.
Superior noise rejection and lack of
signal loss result in usable instantaneous dynamic range
of greater than 126dB continuous.
The high rates of digitization and quantization
enable DT-X Series transducers to return digital samples
of greater than 0.013% accuracy every 1.8 centimeters
or less. Because it has no full gain analog receiver,
the DT-X is not subject to receiver gain distortion.
Changing or adding future DT-X transducers
is simple. System information is stored in each transducer,
allowing transducers of different frequencies, sensitivities
or beam widths to be used with the same cable and surface
DT-X transducers can work in a multiplexed
system providing the scientist with the ability to gather
data of different frequencies, beam widths, and beam
types, single or spilt beam, simultaneously.
The DT-X Series is designed to operate
under Windows 2000/XP. A wide variety of processing
software is available.
BioSonics provides free expert technical
support to the original owner for the life of the product.
BioSonics provides free training at their
manufacturing and testing facility in Seattle, Washington,
with the purchase of a DT-X Series system.