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Dive into our world of cutting-edge sonars, advanced navigation equipment, and state-of-the-art software—all crafted to optimize your hydrographic operations.

At ECHO81, we understand the stresses of investing and procuring with the overwhelming number of options in the market today. Let our devoted sales team help you realize the perfect solution to cover every aspect of your requirements.

Whether you have inquiries about our superior products or seeking expert advice, we’re just a phone call or email away!

Browse by Technology.

Find the perfect products tailored to your specific needs

  • Multibeam Echosounders

    8

  • Side Scan Sonars

    8

  • Sub-Bottom Profilers

    25

  • Magnetometers

    5

  • Navigation Systems

    18

  • Pole Mount/Adapters

    9

  • Sound Velocity Profilers

    3

  • Software Packages

    31

  • ROV Tooling

    3

  • Altimeters

    3

  • AUVs

    3

  • Beacons

    2

  • Combined Systems

    4

  • Flooded Member Detections

    5

  • Single Beam Echosounders

    1

  • TVGs

    2

  • USBLs

    4

  • Winches/Cable Counters

    2

CONTACT INFO

Have a question? Can’t find what you’re looking for? We’d love to hear from you!
Connect with us using the information below.

PHONE

+1 706-522-3022

ADDRESS

481 S. Jackson Street
Hartwell, GA 30643

At ECHO81, we believe in the power of collaboration and are proud to work alongside a network of exceptional partners who share our commitment to excellence. We work with EdgeTech, Kongsberg, Applanix, AML Oceanographic, and many more.

We are always looking for new ways to grow and improve. If you have any questions, feedback, or would like to learn more about how ECHO81 can assist you, please don’t hesitate to Contact Us

  • Geometrics G882 Magnetometer (w/ 250 PSI pressure sensor and 500 kHz Altimeter) Equipment rental to supply an underwater towed magnetometer system with pressure sensor and 500 kHz altimeter. Comes with junction box, RS232 serial comms cable, AC power kit, DC power kit, and shipping crate.
  • EdgeTech 4125i Side Scan Sonar System
    • Ultra-high resolution imagery for easier identification of targets
    • Lightweight for one person deployment
    • Dual simultaneous frequencies
    • Choice of either a 400/900 kHz or 600/1600 kHz towfish
    • Standard heading, pitch, roll and depth sensors
    • Topside processor and laptop for open boat operations
    • Runs on AC or DC
    • Sets up in minutes and is easy to operate
    • Optional quick change tow bracket for hull inspections
    • System is supplied in rugged portable cases for easy transport
  • EdgeTech 3400-OTS Sub-Bottom Profiler (2-16 kHz or 4-24 kHz) Equipment rental to supply a pole mountable 2-16 kHz/4-24kHz chirp based sub-bottom profiler. Comes with topside interface, 10-meter deck cable, acquisition laptop preconfigured with EdgeTech's Discover control software, and transit cases.
  • Equipment rental to supply a towed EdgeTech 4125i SS sonar system. Comes with portable topside interface unit, splashproof laptop with Discover control software, AC power cord, Ethernet cable, mini-USB-GPS receiver, 50-meter tow cable, and shipping cases.
  • Innomar Compact SubBottom Profiler Equipment rental to supply an Innomar Compact Sub-Bottom Profiler. Comes with topside interface, pole mountable transducer with built in 20-meter deck cable, accessory kit, SES-WIN control software, mounting hardware, and transit cases.
  • Equipment rental to supply an R2Sonic 2026 Multibeam Echo Sounder, Comes with mounting frame, real-time SVS, SIM interface box, 15-meter deck cables, Sonic Control software, and shipping cases.
  • HYPACK MAX & HYSWEEP Software Equipment rental to supply a license of HYPACK & HYSWEEP acquisition and processing software. Comes with USB hard lock key for activation and software may be downloaded from manufacturer's website.
  • Impact Subsea ISA500 Altimeter Equipment to supply of 6k Depth rated 500kHz Altimeter, 0.5-meter interface whip, USB drive with SeaView configuration software and user manual, quick start guide, and transit case. - 400-600kHz tunable (500kHz Standard) - 0.1 to 120m altitude range - 1mm resolution - 6" conical beamwidth at 500kHz
  • Kongsberg EM 2042 Multibeam Echosounder Small in size, but powerful in potential, the EM 2042 Multibeam Echosounder is efficient, light, robust and reliable: delivering high-density, high-resolution, clean data in the most demanding marine environments. With simple installation and failure free operation, the EM 2042 has been designed for use on a wide variety of vessels. It’s accuracy, versatility and stability, with real/true yaw stabilization, extends weather windows and optimizes survey duration – giving you the data you need, when you need it.
  • EA 440 Single Beam Echo Sounder Equipment rental to supply a Kongsberg EA 440 Broadband Single Beam Echo Sounder system. Comes with a WBT topside interface, Simrad 38/200 kHz transducer, interface cabling, USB containing software and user manual, in transport case. Note: Other transducers are available upon request.
  • Kongsberg cNODE MiniS 31-180 Beacon with Pressure Sensor Equipment rental to supply a cNODE? MiniS transponder. Small and light enough to be used by divers and shallow water ROV's. Comes with pressure sensor rated to 1000m, charging kit and transit case.
  • The AML-3 LGR CTDSV 500m is an all inclusive package built around the AML-3 Logger with Conductivity-Temperature, Sound Velocity, & Pressure (100 dBar). Comes with charging cable, power adapters, USB WiFi adapter, rubber weight lines, USB drive containing software and manuals, and transit case.
  • Applanix POS MV OceanMaster RM IP68 (320) Equipment rental to supply an Applanix POS MV OceanMaster RM IP68. Comes with a deck mount inertial measurement unit (IMU), rackmount topside interface box, dual GNSS antennas, dual antenna cables, interface cables, software, user manual, and transit case.
    • Tri frequency side scan sonar
    • Motion tolerant mode
    • Improved target positioning
    • Crisp, high resolution CHIRP images
    • Increased towfish power to support a wider range of additional 3rd party sensors
    • Single pulse high resolution mode
  • The next generation 4205 is a versatile side scan sonar system that can be configured for almost any survey application from shallow to deep water operations. The 4205 utilizes EdgeTech’s Full Spectrum® CHIRP technology to provide crisp, high resolution imagery at ranges up to 50% greater than non-CHIRP systems; thus allowing customers to cover larger areas and save money spent on costly surveys.
  • HSP 22" Sheave Counter Comes with remote display, accessory kit, 100-ft deck cable, and reusable transit case.
  • Geometrics G882 Magnetometer (w/ 250 PSI pressure sensor and 500 kHz Altimeter). Comes with junction box, RS232 serial comms cable, AC power kit, DC power kit, and shipping crate.
  • The R2Sonic 2024 is a compact, lightweight, and ultra-high-resolution multibeam echosounder designed for shallow water hydrographic surveys. With a frequency range of 200 to 400 kHz, the Sonic 2024 offers flexible, real-time frequency selection, making it ideal for applications such as port and harbor mapping, inland waterway surveys, dredging support, and habitat monitoring.

  • SonarWiz SS & SBP Processing Software Software rental to supply a license of SonarWiz for processing side scan, sub-bottom, and magnetometer data. Activation may be provided as a USB or soft lock authorization code.
  • The AML-3 series of instruments is a highly configurable family of multiparameter sondes designed for a wide range of data collection applications. The ‘3’ designation refers to the number of sensors that may be simultaneously installed on the instrument’s endcap. One additional sensor may be connected externally, allowing up to 4 sensors in total. This kit comes with a sound velocity and 500 dbar pressure sensor. The LGR designation (ie. AML-3 LGR) are self-powered via a rechargeable internal battery and have a mechanical on/off switch adjacent to their shackle. These instruments are most commonly used for multiparameter profiling applications and internally log sensor measurements and transfer data post deployment.    
  • USM High Tower OTS Mount Equipment rental to supply a USM HighTower Over-the-Side (OTS) Mount. Comes with HighTower base assembly with gear drive and shear block, 7-ft x 4.0" Z-foil, storage angle bracket, 3-ft cheater bar and mounting hardware. **Weld down plate purchased separately as this will be permanently installed on the vessel.  
  • Equipment rental to supply an R2Sonic 2022 multibeam sonar system. Comes with mounting frame, real-time SVS, SIM interface box, 15-meter deck cables, Sonic Control software, and shipping cases.
  • Included Features

    • 16-bit SLF full waveform data acquisition (sub-bottom data) / Innomar "RAW" data format
    • SESWIN basic remote-control via COM / UDP (e.g. line start/stop, line name)
    • IP65 ruggedized transceiver
    • 5m transducer cable and SESWIN/SESConvert software for data acquisition/conversion.
  • Qinsy 9 Offshore for any offshore application, perfect for ROV operations, OWF construction work, offshore surveying, and O&G work. Unlimited sensors and objects, with remote display client. Backscatter and water-column recording included. Comes with USB hard lock key for activation and software may be downloaded from manufacturer's website.

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