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Marine Magnetics Device / Instrument

SeaQuest2

Rigid-frame marine gradiometer that measures gradients in all three dimensions to produce real-time analytic signal maps for small shallow-water targets.

Description

SeaQuest2 is a rigid-frame marine gradiometer that measures magnetic gradients in all three directions at once and computes the total gradient. It produces analytic signal maps in real time without heavy post-processing, and no information is lost when the heading changes.

Key features

  • Absolute accuracy 0.1 nT; sensitivity 0.01 nT
  • Sensor separation 1.5 m transverse, 0.75 m vertical, 0.81 m longitudinal
  • Integrated 3-axis IMU with gyro compensation, pressure sensor and altimeter measuring bathymetry with 0.1 m precision
  • Rigid frame for stable towing even in high seas; floats and pressure-release valves
  • 1.66 m wingspan, 78 kg in air, 300 m depth rating, 13 W

Applications

Finding small, near-surface targets in shallow water.

Specifications

Wingspan1.66 m
Length1.93 m
Height1.07 m
Weight in air78 kg
Absolute accuracy0.1 nT
Sensitivity0.01 nT
Sensor separation1.5 m horizontal transverse, 0.75 m vertical, 0.81 m longitudinal
Depth rating300 m
Power consumption13 W

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