ECHOLOGGER ETH400 & ETH D24
Hull-mounting ultracompact echosounder
Models
ETH400U (USB, 450kHz)
ETH400S (Serial, 450kHz)
ETH D24U (USB, 200/450kHz)
ETH D24S (Serial, 200/450kHz)
ETH D710U (USB, 750kHz/1MHz)
ETH D710S (Serial, 750kHz/1MHz)
Ultracompact echosounders designed to mount on the hull of manned or unmanned boats for accurate bathymetric surveys.
Features
ETH D24 & ETH D710
- Versatile hull mounting design from 1mm hull thickness
- Plug and Play with a laptop PC via USB port (USB version)
- Or serial interface (RS232, 485) is also available
- Real-time backscatter data collection along full water columns
- Compatible with Hypack, HydroMagic and ReefMaster
- User friendly GUI software provided for instant image update
- Tilt sensor integrated as standard
- Buad rate up to 3Mbaud for ping rate up to 100 Hz
ETH D24 & ETH D710
Acoustic Frequency | 200 kHz / 450 KHz (ETH D24), 750 kHz / 1MHz (ETH D710) |
Beam width | 10° / 5° (ETH D24), 3.5° / 2.5° (ETH D710) ,Conical (-3dB) |
Transmit Pulse Width | 10µsec ~ 200µsec |
Transmit Power | Max. 50 W (adjustable) |
TVG Control | Up to 60 dB |
Gain Control | -30 dB to +30 dB |
Input Signal Attenuator (-20dB) | Activation time 0~300,000 µSec |
Ranges | 0.5 ~ 200 m (200kHz) , 0.15 ~ 100 m (450kHz), 0.03 ~ 50 m (750kHz), 0.02 ~ 30 m (1MHz) |
Repetition (Ping) Rate | 100 Hz max |
Sampling Rate (Profiling mode) | Max 100kHz; adjustable, or auto mode (default) |
Water Column Resolution | Appx. 7.5 mm @100kHz sampling |
Altimeter Range Resolution | 1.0 mm |
Temperature sensor Resolution | 0.1°C |
Tilt sensor integrated | Dual-axis (Roll & Pitch) ±90° , Inclination data resolution 0.1° |
Synchronization | Outward / Inward (S/W selectable) |
Analog Output Interface | 1.25V, 2.5V, 5V, 10V max (S/W selectable) , Distance or Envelope |
Digital Output Interface | USB or Serial (RS-232, RS-485, selectable by select pin) |
Communication Speed | 4,800 ~ 921,600, 3M baud (115,200 default) |
Data Output Format | Profile 10bit/12bit resolution ASCII Text , Profile 12bit resolution Binary , Profile 8bit resolution Binary (12bit compressed to 8bit) , Altitude NMEA0183 / Altitude Simple |
Multi node Inter-networking(RS485 only) | Up to 32 units |
Configuration and Data reading | Echologger Control Program or any Terminal program |
Connector | LTW 12-05PMMS-SH8003 (IP68) |
Power supply | USB :USB Powered, 2W max / RS232 or RS485: 10 ~ 75 VDC, 2W max, Internally isolated |
Operation Temperature | -10°C +50°C |
Operating Depth | 1m (for surface vehicles) |
Housing | Acetal |
Dimensions | D65 mm x L68 mm, |
Weight (100m rate) | 175g (exc. cable) |
ETH400
Acoustic Frequency | 450 KHz |
Beam width | 5° Conical (-3dB) |
Transmit Pulse Width | 10μsec ~ 200μsec (10μsec step) |
Ranges | 0.15 m ~ 100 m |
Housing | Acetal |
Repetition (Ping) Rate | 10 Hz max |
Sampling Rate | 100 kHz |
Water Column Resolution | appx. 7.5 mm |
Altimeter Range Resolution | 1.0 mm |
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 (ETH400U) or RS-232,485,422 (ETH400S) |
Communication Speed | 4,800 ~ 115,200 baud (115,200 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 (ETH400U), 8~75 VDC, 2W max (ETH400S) |
Dimensions | D65 mm x L68 mm, |
Weight (100m rate) | 175g (exc. cable) |
Other features | Hypack, HydroMagic, ReefMaster compatible (NMEA, Echogram) |


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