| Brand |
Knudsen Engineering Ltd |
| Year of initial development |
2007 |
| Product |
Chirp 3260 |
| Max. power consumption (W) |
180 |
| Power (DC, AC) |
85-265VAC |
| Weight (in air) and dimensions (w x h x d) of transducer/transceiver |
25kg; 19" 5U rack case |
| Weight and dimensions (w x h x d) of display and logging unit |
N/A |
| Portability of logger (rack, desktop, portable) |
Rack, desktop or portable PC |
| Software platform (Windows, other) |
Windows |
| Depth range of operation (m) |
Full ocean depth 10,000+ |
| Frequency range (kHz) |
3.5-210 |
| Number of frequencies supported simultaneously |
4 |
| Power output of transducer at standard frequencies |
Up to 10kW |
| Beam angles (along and across) |
Transducer dependent |
| Depth resolution, accuracy |
1cm, 0.1% |
| Max. pulse sounding rate |
10Hz |
| Pulse length |
Up to 64ms |
| Dynamic range (dB) |
96 |
| Are heave, pitch and roll corrections included? |
Heave only |
| Capable of being operated remotely (e.g. via PC) |
Yes |
| Supported external data inputs (heave/roll/pitch, positioning) |
Heave and positioning |
| Can events and annotations be marked? |
Yes |
| Can sound velocity and temperature profiles be included in real time ? |
No |
| Is real-time coupling to survey/post-processing software possible? |
Yes |
| What data are displayed in real time (e.g. depth, classification, thickness)? |
Digitised depth and full echogram |
| Data output options (e.g. raw data, transducer and motion-corrected depth, sea floor classification) |
Raw data, heave corrected, draft corrected |
| Data output formats |
SEG-Y, NMEA, XTF, ASCII, binary |
| Data output for sea floor classification? |
Yes |
| How are data displayed? |
Digitised depth and full echogram (raw and heave-corrected) |
| Connection possibilities |
USB (network and RS232 via PC) |
| How are data internally logged? |
Data logged on control PC |
| Main use of the system |
Full ocean depth and sub-bottom profiling |
