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Ekinox-U: Underwater Inertial Navigation System

Ekinox-U is an ITAR Free Underwater Inertial Navigation System. Designed for Subsea applications, Ekinox2-U is operational up to 6,000 m.



Ekinox-U combines an Inertial Measurement Unit (IMU), runs an enhanced on-board Extended Kalman Filter (EKF), and can be connected to several aiding equipment for accurate and reliable navigation.

High performance for a cost-effective solution:

  • 0.05° Roll, Pitch, Heading (GPS)
  • 5 cm Real-time Auto Adjusting Heave
  • 2.5 cm Delayed Heave
  • Up to 6,000 m Depth Rate
  • 200 Hz Update Rate
  • Real-time Data Fusion
  • 8 GB Internal Data Logger

Up to 4 connected aiding equipment:

  • Navigation: RTK GPS/GNSS, LBL, USBL
  • Heading: Dual Antenna GPS/GNSS, Magnetometer
  • Velocity: DVL, Depth Sensor, EM Log

Easy to Set Up, Reliable for Years

Without mounting orientation limitation, numerous serial & Ethernet ports, and an internal Web interface, Ekinox-U is easy to install, connect, and configure. Available in long-life titanium enclosure, this Subsea INS is operational up to 6,000 m. To ensure high data integrity in all conditions, every product is calibrated from -20 to 60°C, and is shipped with its own calibration report.