SeaSPY2 Longitudinal Gradiometer

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The SeaSPY2 Longitudinal Gradiometer comes with:

SeaSPY2 Longitudinal Gradiometer Includes

  • Overhauser sensor
  • Electronics module with Larmour counter
  • Leak detector
  • Depths ratings: 1000m (1500 psi), 3000m (5000 psi), 6000m (9000 psi)

Options

  • Pressure sensor
  • Altimeter
  • Deck cable
  • Tow cable termination kit
  • Side Scan and ROV integrations
Performance
Operating Zones Worldwide. SeaSPY2 grad collects accurate results regardless of how it’s pointed in relation to Earth’s magnetic field.
Absolute Accuracy 0.1 nT
Sensor Sensitivity 0.01 nT
Counter Sensitivity 0.001 nT
Resolution 0.001 nT
Dead Zone NONE
Heading Error NONE
Temperature Drift NONE
Power Consumption 1 W standby, 3 W maximum, +2 W with altimeter
Range 18,000 nT to 120,000 nT
Gradient Tolerance Over 10,000 nT/m
Sampling Range 4 Hz – 0.1 Hz
Communications RS-232, 9600 bps
Power Supply 24VDC (120-240 VAC compatible) (Acceptable range 9-30 VDC for single SeaSPY, 20-30V for gradiometers)
Magnetometer
Towfish Length 119 cm (47 in), + 10 cm (4 in) altimeter, + 5 cm (2 in) gradiometer
Diameter 7.6 cm (3 in)
Weight in Air 12 kg (27 lbs); 12.8 kg (28.5 Ibs) with altimeter
Weight in Water 3.5 kg (7.8 lbs); 4 kg (8.8 lbs) with altimeter
Tow Cable
Conductors Twisted pair
Breaking Strength 2,500 kg (5,500 lbs)
Outer Diameter 1 cm (0.4 in)
Weight in Air 125 g/m (8.4 lb/100 ft)
Weight in Water 44 g/m (3 lb/100 ft)
Cable Termination Field Replaceable
Floatation Cable
Conductors Twisted pair
Breaking Strength 2,500 kg (5,500 lbs)
Outer Diameter 1.9 cm (0.74 in)
Weight in Air 125 g/m (8.4 lb/100 ft)
Weight in Water -20 g/m (0.03 lbs/ft)
Cable Termination Field Replaceable
Inter-fish cable
Length Custom: 1.5m - 500m (5 - 1600 ft)
Weight 1.8 kg + 0.125 kg/m (custom length)

Side Scan Integration

Integrations for SeaSPY2, SeaQuest2, Explorer and Synapse.