Specifications
Operating Zones NO RESTRICTIONS
SeaSPY will perform exactly according to spec
throughout the entire range.
| Absolute Accuracy |
0.1nT |
| Sensor Sensitivity |
0.01nT |
| Counter Sensitivity |
0.001nT |
| Resolution |
0.001nT |
| Dead Zone |
NONE |
| Heading Error |
NONE |
| Temperature Drift |
NONE |
| Power Consumption |
1W standby, 3W maximum |
| Timebase stability |
1ppm, -45°C to +60°C |
| Range |
18,000nT to 120,000nT |
| Gradient Tolerance |
Over 10,000nT/m |
| Sampling Range |
4Hz — 0.1Hz |
| External Trigger |
By RS-232 |
| Communications |
RS-232, 9600bps |
| Power Supply |
15VDC-35VDC or 100-240VAC |
| Operating Temperature |
-45°C to +60°C |
| Temperature Sensor |
-45°C to +60°C, 0.1 step |
Flotation Cable
| Conductors |
Twisted pair |
| Strength Member |
Vectran |
| Max Working Load |
2,500 kg (5,500 lbs) |
| Outer Diameter |
1.9 cm (0.74 inches) |
| Bending Diameter |
25 cm (10 inches) |
| Weight in Air |
125 g/m (0.84 lbs/ft) |
| Weight in Water |
-20 g/m (0.03 lbs/ft) |
| Outer Jacket |
Orange Polyurethane |
| Cable Termination |
Field Replaceable |
Towfish
SeaSPY Towfish includes:
- Depth rating 1000m (1500psi), 3000m (5000psi), 6000m (9000psi) customer specified.
- Overhauser Sensor
- Electronics module containing all of the driving electronics and Larmour counter
- Leak detector to let you know if even a drop of water penetrates the towfish
- 4 lead weights to increase the weight of the towfish and to prevent it from rotating. To adjust the weight you can remove or add additional weights in the field.
- BOB data acquisition and GPS logging software for Windows. See our BOB brochure for more information.
| Towfish Length |
124 cm (49 inches) |
| Towfish Diameter |
12.7 cm (5 inches) |
| Towfish Weight in Air |
16 kg (35 lbs) |
| Towfish Weight in Water |
2 kg (4.4 lbs) |
Tow Cable
- The cable is made up of one twisted pair of conductors, a Vectran strength member, water block and yellow polyurethane jacket. Length determined by customer.
- Isolation Transceiver Dimensions: *11 x 6 x 3 cm (4 x 2 x 1”)
- Weight: *130 g (0.28 lbs) *RS-232 cable
| Conductors |
Twisted pair |
| Strength Member |
Vectran |
| Breaking Strength |
2,500 kg (5,500 lbs) |
| Outer Diameter |
1 cm (0.4 inches) |
| Bending Diameter |
16.5 cm (6.5 inches) |
| Weight in Air |
125 g/m 84 lb/1000 ft |
| Weight in Water |
44 g/m 29.5 lb/1000 ft |
| Outer Jacket |
Yellow Polyurethane |
| Cable Termination |
Field Replaceable |
Battery Clip Cable or Power Supply
The power supply accepts any AC line power, from 100—240VAC and 50/60 Hz to provide conditioned and clean 24V DC power. Weight 165g (0.36lbs)