| Brand |
Systems Engineering & Assessment Ltd |
| Product Name |
SWATHplus-AUV |
| Date of first release |
2009 |
| 2. Mounting and Deployment |
|
| Hull/ Bow/ Side/ ROV/AUV Mounted, towed |
Hull / AUV Mounted |
| Retractable Y/N |
Depending upon mount used |
| 3. Physical Properties Sonar Head |
|
| Diameter, height (cm) |
100 x 215 x 42 |
| Weight, without cable, per module (kg) |
1kg per head |
| Power requirements |
12-24VDC, 30 Watts |
| 4. Used Sonar Methods |
|
| Type of system |
Interferometric Bathymetry & Sidescan |
| Bottom Detection Method |
Vernier Phase Detection |
| 5. System Parameters |
|
| Frequency Range |
468kHz |
| Depth Range, depth resolution |
80m/1cm |
| Max. Slant Range |
90m |
| Max. Swath (function of depth) |
x15 (depths less than 15m) |
| Samples per sweep, samples per second |
max 100,000 per sweep |
| Beam width (acrossx along track [deg]) |
0.55° x 240° |
| 6. Bottom Coverage (footprint dimensions at 10/50/150m depth) |
|
| Directly under sensor (m) |
0.10 x 0.01 @ 10m 0.48 x 0.01 @ 50m N/A @ 150m |
| At max. horizontal range (m) |
0.01 (all depths) |
| Smallest identifiable cube (m3) |
Better than IHO-S44 Special Order or Order 1 depending on depth |
| Max swath |
89 / 75 / N/A |
| Are footprints equally spaced? |
|
| 7. Side-scan capabilities |
|
| Does the system have side scan possibilities? |
Y |
| Number of SSS-points per sweep |
512 - 100,000 |
| 8. Accuracy |
|
| Calculated statistical system accuracy (cm RMS) |
7 |
| System Accuracy in relation to IHO S44-4, meets S44 order |
Y for 3-transducer system |
| Max. allowable survey speed to allow for this accuracy (knots) |
5-7 |
| 9. Speed of sound |
|
| System applies ray bending corrections in real time |
Y |
| System is capable of collecting and integrating the SV-profile in real time during data collection |
Y |
| If yes, explain the process |
Either time-stamped data from SVP sensor or data imported as file |
| 10. Motion Compensation |
|
| Motion sensors compatible to the system |
All standard |
| Dynamic accuracy required from MRU (degrees) |
0.05 or better |
| 11. Interfaces |
|
| Possible interfaces to the processing unit |
All standard processing packages |
| 12. Maintenance criteria |
|
| Mean time before failure (hrs) |
No statistical data available |
| Mean time to repair (hrs) |
<1 |
| 13. Access to data |
|
| Online access to bathymetric data during collection |
Y |
| If yes, by which means? |
Disk file or Ethernet |
| 14. Other information |
|
| Additional remarks |
Configured for Gavia or Remus AUV, other AUV configurations on request |
| Units sold |
On request |
| Notes |
|
| **500 kHz 250 kHz and 125 kHz also available |
|
