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© GeoAcoustics
2008
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GeoSwath ROV/AUV
Specifications
GeoSwath AUV is available in three frequency
versions, 125 kHz, 250 kHz and 500 kHz. The system accuracy of both versions
exceed the latest International Hydrographic Organisation specifications, as set
out in IHO Standards for Hydrographic Surveys, Special Publication 44, 4th
Edition, April 1998.
System performance
| Sonar Frequency |
125 kHz |
250 kHz |
500 kHz |
| Maximum Water Depth
below transducers: |
200 metres |
100 metres |
50 metres |
| Maximum Swath Width: |
780 metres |
390 metres |
190 metres |
| Range: |
Up to 12 x depth |
Up to 12 x depth |
Up to 12 x depth |
| Depth Resolution: |
6 cm |
3 cm |
1.5 cm |
| Two Way Beam Width: |
0.85º Azimuth |
0.75º Azimuth |
0.5º Azimuth |
| Transmit Pulse Length: |
128 µS to 896 µS |
64 µS to 448 µS |
32 µS to 224 µS |
| Swath Update
Rate (max) |
Up to
30 per second (range dependent) |
| Transducer Dimensions: |
540 x 260 x 80mm |
375 x 170 x 60mm |
255 x 110 x 60mm |
| Transducer Weight: |
11.6kg (in air
3.3kg (in water) |
3.8kg (in air)
1.8kg (in water) |
1.5kg (in air)
0.5kg (in water) |
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Technical Specification |
| Data Storage/Retrieval: |
120GB hard drive, 10/100/1000
BaseT Ethernet link. |
| Mission Endurance: |
12 hour data collection
(using onboard data storage). |
| Interface to ROV/AUV: |
Ethernet (2 x 1Gbit Ethernet
ports available), RS232 for ancillaries. |
| Power Requirements: |
24VDC, 50W (at max ping rate),
20W (standby). |
| Max depth rating |
1000m (optional 4000m) |
| Electronic Module Size: |
20cm OD 36.6cm long |
| Electronics Module Weight: |
12kg (in air), 3kg (in water). |
Specifications subject to change
without notice
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