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Ekinox Subsea
– Hardware Manual
EKINOXSUBSEAHM.1.4
2.1.3. Magnetometers
The Ekinox embeds a high performance, three axis Anisotropic Magnetoresistive Magnetometer.
Specifications
Remarks
Full scale (Gauss)
6
Gain (ppm)
1000
Linearity (% of FS)
0.1
Noise (µGauss)
50
Over 1 to 25 Hz band
Bandwidth (Hz)
50
Attenuation < 3 dB
Resolution (µGauss)
120
Sampling rate (kHz)
1
Orthogonality (°)
0.1
After user magnetic calibration
2.2. Aiding sensors
Many different aiding sensors can be used to aid the Ekinox INS.
2.2.1. Internal magnetometer
Although part of the Ekinox internal IMU, the magnetometer is in fact considered as an “aiding sensor” and
is not mandatory for proper operation.
Nevertheless, in some applications this magnetometer is still a reliable and efficient way to observe
heading.
Note: Magnetometer use requires a specific in place calibration in order to compensate surrounding
ferromagnetic materials and magnets. Please refer to the Ekinox Iron Calibration Tools
documentation for more information about this.
2.2.2. External aiding sensors
The Ekinox-M accepts a single external GNSS receiver connection to improve orientation performance
The Ekinox-U accepts up to two external GNSS receivers to provide navigation data and improve orientation
performance In addition, a DVL can be connected on Ekinox-U as velocity aiding input.
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Содержание Exinox Subsea Series
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