| Brand |
Marine Magnetics |
| Product |
SeaQuest |
| Year of development |
2002 |
| Type of sensor (caesium, Overhauser, potassium, proton) |
Overhauser |
| Is the sensor a gradiometer? (Y/N) |
Y |
| Absolute accuracy (nT) |
0.1 |
| Resolution (nT) |
0.001 |
| Operating range (nT) |
18,000–120,000 |
| Gradient tolerance (nT/m) |
10000 |
| Sensitivity (nT) |
0.01 |
| Sample rate (Hz) |
0.2–4 |
| External trigger possibility (Y/N) |
Y |
| Operating temperature (°C) |
–40 to +60 |
| Power requirements |
2W per sensor, up to four sensors |
| Limits of geographic operating zones |
None |
| Direction of sensitivity |
Not affected. No dead zones |
| Fish dimensions |
1.5m span, 0.5m height, 1.5m length |
| Weight in air, water (kg) |
56, 22, buoyant with float attachment |
| Depth range |
1,000m |
| Towfish mounting (towed, fixed mount, other) |
Towed |
| Power requirements |
Up to 10W with four sensors and altimeter |
| Type |
Vectran |
| Maximum length |
1,000m |
| Breaking strength |
2,500kg |
| Diameter (mm) |
10 |
| Weight in air, water |
44g/m |
| Is cable termination field replaceable? (Y/N) |
Y |
| Is visual read-out available? (Y/N) |
Y |
| Is visual read-out available? (Y/N) |
N |
| Digital output (Y/N) |
Y |
| Supported digital data formats |
ASCII (raw) output, Geosoft XYZ |
| Data-aquisition/processing package |
SeaLINK |
| ROV (Y/N) |
Y |
| Side-scan sonar (Y/N) |
Y |
| Sub-bottom profiler (Y/N) |
Y |
| Single-beam echosounder (Y/N) |
Y |
| Depth sensor (Y/N) |
Y |
| Heading sensor (Y/N) |
Y |
| Typical applications |
SeaQuest is designed for detection of small magnetic targets, excelling at UXO search. It is effective at defining small anomalies with high resolution, and suppressing sources of cultural noise, such as geology |
