| Brand |
Kongsberg |
| Year of initial development |
1998 |
| Product |
EA400 |
| Max. power consumption (W) |
ca. 70 |
| Power (DC, AC) |
Both |
| Weight (in air) and dimensions (w x h x d) of transducer/transceiver |
5kg; 11cm x 24cm x 28cm |
| Weight and dimensions (w x h x d) of display and logging unit |
Standard PC or laptop |
| Portability of logger (rack, desktop, portable) |
Portable splash-proof version available |
| Software platform (Windows, other) |
Windows |
| Depth range of operation (m) |
0.1-3,500 |
| Frequency range (kHz) |
33-710 |
| Number of frequencies supported simultaneously |
4 |
| Power output of transducer at standard frequencies |
1-2kW |
| Beam angles (along and across) |
Varies |
| Depth resolution, accuracy |
1cm |
| Max. pulse sounding rate |
25Hz |
| Pulse length |
64?s to 4ms |
| Are heave, pitch and roll corrections included? |
Yes |
| Capable of being operated remotely (e.g. via PC) |
Yes |
| Supported external data inputs (heave/roll/pitch, positioning) |
Yes |
| Can events and annotations be marked? |
Yes |
| Can sound velocity and temperature profiles be included in real time ? |
Yes |
| Is real-time coupling to survey/post-processing software possible? |
Yes |
| What data are displayed in real time (e.g. depth, classification, thickness)? |
Depth, along-track slope, second layer detection with high/low frequency |
| Data output options (e.g. raw data, transducer and motion-corrected depth, sea floor classification) |
Raw, corrected echogram data |
| Data output formats |
NMEA, xyz (xtf forthcoming) |
| Data output for sea floor classification? |
Separate sw |
| How are data displayed? |
? |
| Connection possibilities |
USB, network, RS232, printer |
| How are data internally logged? |
Hard disk |
| Main use of the system |
Hydrographic survey, shallow-water side-scan |
