Marine-Grade Inertial Sensing Systems for the Offshore & Subsea Industries
M5000 Subsea FOG & quartz INS with integrated GNSS receiver & optional DVL
M5000

Subsea FOG & quartz INS with integrated GNSS receiver & optional DVL

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M5000

The M5000 is a powerful FOG and quartz-based inertial navigation system that provides robust navigation, position and attitude control capabilities for subsea platforms such as crewed and uncrewed underwater vehicles. Featuring a built-in multi-frequency GNSS receiver, it can be integrated with an external Doppler Velocity Log and outputs a range of critical precision real-time data such as attitude, heave, heading, position, and velocity.

Available in three different performance variants, the rugged INS is housed in a titanium pressure-resistant and watertight housing that is rated to 3000 or 6000 meters. Data can be output via serial RS-232/RS-422, Ethernet or PPS.

Specifications:

M5000-A M5000-B M5000-C
Dimensions: 180 x 205 mm
Weight: 10 kg
Power: ≤20W
Angular Velocity Range: ±300o/s ±500o/s ±500o/s
Heading Accuracy:
(RMS, 1σ)
≤0.2o sec ϕ (pure inertial 1h)
≤0.1o sec ϕ (GNSS + INS)
≤0.3o sec ϕ (pure inertial 1h)
≤0.2o sec ϕ (GNSS + INS)
≤0.4o sec ϕ (pure inertial 1h)
≤0.2o sec ϕ (GNSS + INS)
Attitude Accuracy:
(RMS, 1σ)
≤0.01o ≤0.02o ≤0.02o
Heave Accuracy:
(RMS)
≤5cm or 5% (take larger value)
Position Accuracy: GNSS-assisted (RMS): ≤0.3% ± 3m
DVL-assisted: 0.6% D
Pure inertial: 2 nm/hr
GNSS-assisted (RMS): ≤0.3% ± 5m
DVL-assisted: 0.8% D
Pure inertial: 3 nm/hr
GNSS-assisted (RMS): ≤0.3% ± 5m
DVL-assisted: 0.8% D
Pure inertial: 3 nm/hr
Data Output Frequency: 0 – 200 Hz configurable