Echologger EU400 is the only USB interfaced professional echosounder in the market.  It is simple to used in a Plug&Play basis on laptop PCs or handheld devices with USB ports.  Backscatter data along full water columns can be measured.  It is powered through the USB port so that no external power source is required.



∙ Plug and Play with a laptop PC via USB port

∙ No additional power supply is required

∙ Real-time backscatter data collection along full water columns

∙ Compatible with Hypack, Topcon receiver, HydroPro(Trimble)

∙ User friendly GUI software provided for instant image update

∙ Tilt sensor integrated(option)


Sea bed mapping

∙ Sediment Move Monitoring

∙ Bridge Scour Monitoring


Acoustic Frequency 450 KHz
Beam width 5° Conical (-3dB)
Transmit Pulse Width 10μsec ~ 200μsec (10μsec step)
Ranges 0.15 m ~ 100 m
Housing Acetal
Connector USB
Operating Depth 5m ( Cable length dependant)
Repetition (Ping) Rate 10 Hz max
Sampling Rate 100 kHz
Water Column Resolution >7.5 mm
Altimeter Range Resolution
Temperature Resolution 0.1°C
Tilt sensor integrated (optional) Dual-axis, horizontal operation : ±90°
Tilt sensor integrated (optional) Inclination data accuracy : 0.1
Digital Output Interface USB
Communication Speed 4800 ~ 115200 baud (115200 baud default)
Data Output Format ASCII TXT, NMEA0183, or user defined (optional)
Configuration and Data reading Echologger Control Program or any terminal program
Operation Temperature -10°C +50°C
Power supply USB powered, 2W max
Dimensions D56 mm x L80 mm (without connector)
Weight 420g
Other features Hypack Compatible (NMEA) , GPS integrated data