ECHOLOGGER EA400

Fully self-contained autonomous echosounder with a data logger integrated

Models
EA400
EA400R (Right angled)
  • ECHOLOGGER EA400 autonomous echosounder
  • ECHOLOGGER EA400 autonomous echosounder
  • ECHOLOGGER EA400 autonomous echosounder

Echologger EA400 is unique in the market as an Autonomous Echosounder with many useful practical scientific features.

The device collects accurate underwater backscatter data along full water columns.

It is specially designed for sediment monitoring, wave/tide monitoring, zooplankton studies with long term logging capabilities.

Features

  • Fully self-contained Echosounder
  • Backscatter data collection along full water columns
  • Long Life with 3 D-type alkaline batteries
  • Ideal for long-term monitoring (more than a year depending on ping rates)
  • High speed downloading via the SD card
  • Bluetooth Communication for real-time monitoring
  • User friendly GUI software provided
  • Also can be controlled via a terminal program like Hyper Terminal
  • Deep sea version available (up to 1,000m)
  • Unique device in the market

Applications

  • Sediment Monitoring
  • Accurate Backscatter Data
  • Altitude Measurement
  • Wireless Real-time Bottom Tracking
  • Wave Height/ Tide Monitoring
  • Bridge Scour Monitoring


Acoustic Frequency 450 KHz
Beam Width 5° (-3dB) Conical Beam
Transmit Pulse Duration 10 μsec to 200 μsec in 10 μsec steps
Ranges 0.15 m to 100 m
Temperature Resolution 0.1°C
Sample Rate 100 kHz
Water Column Resolution Up to 7.5 mm
Repetition (Ping) Rate Up to 10 Hz
Range Resolution Up to 1 mm
Tilt sensor Dual-axis, Horizontal Operation : ±90° (up, down)
Tilt sensor Inclination Data Accuracy : 0.1°
PC Interface USB 2.0 (Bluetooth v2.1 optional)
Data Output Format Binary, ASCII TXT, NMEA0183
Data Storage Mdeia Micro SD Card (up to 32GB, SDHC)
Downloading Media Removable Micro SD card, USB, Bluetooth
Activation Magnetic Switch or Activation Button
Operation Mode Indication Dual Color LED
Power Supply 3 D-type Alkaline Batteries
Operation Lifetime More than 1 Year (depend on ping rates)
Operation Temperature -10°C to +50°C
Maximum Operating Depth 100 m and 1,000m
Housing Material Acetal (100m), Polycarbonate (1,000m)
Dimensions D70mm x L260mm
Weight 1.5kg in Air with Batteries (0.5kg in Water)

Invasion Note
Published: 23 June 2018
Sounding out pests: the potential of hydroacoustics as a surveillance and compliance tool in aquatic biosecurity
D. A. Abdo, R. L. Duggan & J. I. McDonald
Biological Invasions volume 20, pages3409–3416(2018)

Coastal Sediments 2015 (2015)
GRAINSIZE, COMPOSITION AND BEDFORM PATTERNS IN A FRINGING REEF SYSTEM
MICHAEL CUTTLER, RYAN LOWE, JEFF E. HANSEN, JIM FALTER and ANDREW POMEROY

Source and supply of sediment to a shoreline salient in a fringing reef environment
Michael V.W. Cuttler Jeff E. Hansen Ryan J. Lowe Julie A. Trotter Malcolm T. McCulloch
Earth Surface Processes and Landforms
Volume44, Issue2, February 2019,Pages 552-564