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Edgetech EdgeTech 3400-OTS

Lightweight Shallow Water Pole Mount Sub-bottom Profiler

The 3400-OTS transmits wide band Frequency Modulated pulses utilizing proprietary Full Spectrum CHIRP. The system uses flat multi-channel hydrophone array to generate high resolution images of the sub-bottom stratigraphy in oceans, lakes, and rivers and provides excellent penetration in various bottom types. The 3400-OTS receiver array is segmented for standard sub-bottom profiling operations or “pipeline” mode for location and imaging of buried pipelines or cables.

  • Edgetech EdgeTech 3400-OTS
Edgetech
4 Little Brook Road
02576 West Wareham

Description

Building on the long running success of the EdgeTech sub-bottom profiler product line, the new over-the-side pole mount 3400-OTS provides users many unique enhancements to current sub-bottom profiler systems. The 3400-OTS transmits wide band Frequency Modulated (FM) pulses utilizing EdgeTech’s proprietary Full Spectrum CHIRP technology. The system uses flat multi-channel hydrophone array to generate high resolution images of the sub-bottom stratigraphy in oceans, lakes, and rivers and provides excellent penetration in various bottom types. The 3400-OTS receiver array is segmented for standard sub-bottom profiling operations or “pipeline” mode for optimal location and imaging of buried pipelines or cables. The system offers real-time reflection coefficient measurements. This unique ability of the EdgeTech sub-bottom profiler system allows users the ability to collect complex ‘analytic’ data using linear system architecture to measure sediment reflection and analyze sediment type determination. Additionally, the system has discrete transmit and receive channels allowing for continuous data collection resulting in a high ping rate particularly important for construction and pipeline surveys.

The lightweight 3400-OTS is ideal for shallow water surveys using small boats of
opportunity. While the low frequency model with dual transmitters and large receive array is ideal for deep water and windfarm applications.

The EdgeTech 3400-OTS sub-bottom profiling system comes as a complete package including EdgeTech’s DISCOVER sub-bottom acquisition & processing software. The 3400-OTS can also be interfaced to 3rd party software.

Specifications

  • Product type
    Sub-bottom profiler
  • Year of initial development
    2021
  • Application
    High Resolution
  • Max power consumption [W]
    250
  • Power type
    AC
  • Transducer weight [kg]
    21
  • Transducer length [m]
    2
  • Transducer width [m]
    0.8
  • Transducer height [m]
    0.8
  • Weight of logging unit [kg]
    21
  • Length of logging unit [m]
    2
  • Width of logging unit [m]
    0.8
  • Portability of logger
    Portable
  • Operating temperature: max. [°C]
    50
  • Operating temperature: min. [°C]
    0
  • Size (Deck unit)
    portable
  • Weight (Deck Unit)
    5kg
  • Platform type
    Pole Mounted
  • Max. frequency [Hz]
    1600
  • Signal composition
    Chirp
  • Max. penetration [m]
    80
  • Max. pulse rate [Hz]
    18
  • Max. pulse length [s]
    0.1
  • Dynamic range [dB]
    120
  • Heave corrected
    Y
  • Pitch corrected
    Y
  • Roll corrected
    Y
  • Programmable source signatures
    variable
  • Frequency
    Wide band
  • Cable length
    30m
  • Data displayed
    Depth of towfish, depth of penetration, thickness, classification, speed, position
  • Main use
    Sediment classification, pre/post dredging, pipeline surveys, buried object location etc.
  • Data output
    Raw and match-filtered data
  • Formats
    SEGY/proprietary
  • Data output for seafloor classification
    Y
  • Connections
    Monitor
  • Internal logging
  • External heave input
    Y
  • External roll input
    Y
  • External pitch input
    Y
  • External positioning input
    Y
  • Marking of events
    Y
  • Real time coupling to survey software
    Y
  • Coupling to post-processing software
    Y
  • Operating System
    Windows® 10

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