Slide Echo Sounder
Single Beam


EA400 is unique in the market as an Autonomous Echosounder with many useful practical features.
It is optimized for sediment monitoring, wave/tide monitoring, zooplankton studies with long term logging capabilities.
The device can also transmit accurate underwater backscatter data in real time using Bluetooth communication.




Fully self-contained Echosounder

  • Backscatter data collection along full water columns
  • Long Life with 3 D-type alkaline batteries
  • Ideal for long-term monitorng with a 32GB SD card
  • 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)
  • Very unique in the market
  • Sediment Monitoring
  • Accurate Backscatter Data
  • Altitude Measurement
  • Wireless Real-time Bottom Tracking
  • Wave Height/ Tide Monitoring
  • Bridge Scour Monitoring
Working ModeEchosounder / Altimeter
Acoustic Frequency450 KHz
Beam Width5° (-3dB) Conical Beam
Transmit Pulse Duration10 μsec to 200 μsec in 10 μsec steps
Ranges0.15 m to 100 m
Temperature Resolution0.1°C
Sample Rate100 kHz
Water Column ResolutionUp to 7.5 mm
Repetition (Ping) RateUp to 10 Hz
Range ResolutionUp to 1 mm
Tilt sensorDual-axis, Horizontal Operation : ±90° (up, down)
Tilt sensorInclination Data Accuracy : 0.1°
PC InterfaceUSB 2.0 (Bluetooth v2.1 optional)
Data Output FormatBinary, ASCII TXT, NMEA0183
Data Storage MdeiaMicro SD Card (up to 32GB, SDHC)
Downloading MediaRemovable Micro SD card, USB, Bluetooth
ActivationMagnetic Switch or Activation Button
Operation Mode IndicationDual Color LED
Power Supply3 D-type Alkaline Batteries
Operation Lifetimeup to 1 Year (depend on ping rates)
Operation Temperature-10°C to +50°C
Maximum Operating Depth100 m (deeper versions available on request)
Housing MaterialPVC
DimensionsD70mm x L260mm
Weight1.5kg in Air with Batteries (0.5kg in Water)

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