Related Faq (MRU marine)

Norwegian Subsea works closely with customers to ensure each sensor is configured to meet specific application needs across marine, subsea, offshore, and industrial environments.

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Manual FAQ

A gyrocompass determines true north using gyroscopes and Earth's rotation, not magnetism. It’s essential for heading accuracy in marine and aerial navigation, though performance may vary at extreme latitudes.

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Product Card Section

MRU Marine

Usage area

50 m depth, IP 68

Heave accuracy

5 cm or 5.0%

Roll & Pitch accuracy

3000±0.05°
6000±0.02°
9000±0.01°

Connectors

Lemo or SubConn 8 or SubConn 16

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MRU Compact

Usage area

IP 65

Heave accuracy

5 cm or 5.0%

Roll & Pitch accuracy

3000±0.05°
6000±0.02°
9000±0.01°

Connectors

RJ45 or RJ50

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MRU Subsea

Usage area

6000 m depth

Heave accuracy

5 cm or 5.0%

Roll & Pitch accuracy

3000±0.05°
6000±0.02°
9000±0.01°

Connectors

SubConn 8

Learn more

Product Variant Section

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Roll and pitch dynamic accuracy of 0.05° Heave accuracy: 5 cm / 5 %

The 6000 series provides high performance 0.02° roll and pitch accuracy

The 9000 series achieves exceptional precision with 0.01° roll and pitch accuracy

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Navn Navnesen
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Navn Navnesen, CEO of Wavefoil

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“The accuracy, weight, and form factor of Norwegian Subsea MRUs are unmatched.”

Gabriel Walton
Technical Director, Ultrabeam Hydrographic

"“The accuracy, weight, and form factor of Norwegian Subsea MRUs are unmatched.”"

Gabriel Walton, Technical Director, Ultrabeam Hydrographic

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Customers Section

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Employees Section

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Håkon Baste

Chair of the Board

hb@norwegian-subsea.no

Håkon comes from a background at DNV GL where he worked with offshore and shipping consultancy as well as newbuilding supervision and quality assurance. Håkon joined Norwegian Subsea in 2014.

Chris Ruigrok

Sales Manager

cr@norwegian-subsea.no

Chris holds an MSc in Aerospace Engineering and brings extensive commercial experience from the oil & gas, marine, and subsea technology sectors. His career has focused on the industrialisation and commercialisation of emerging technologies. Chris joined Norwegian Subsea in 2021.

Fredrik Dukan

CEO

fd@norwegian-subsea.no

Fredrik holds a PhD in Marine Cybernetics with focus on subsea navigation and ROV motion control systems. He previously held engineering positions at Aker and has broad experience from marine and subsea operations. Fredrik founded Norwegian Subsea in 2014.

Product Variant Section

a section of products variants

The 6000 series, with 0.02° accuracy in Roll & Pitch, is our most versatile MRU due to its high accuracy and is suitable for most applications. This is the recommended MRU for most control applications such as AHC and winch control.

The 3000 series, with 0.05° accuracy in Roll & Pitch, is ideal for most monitoring applications where the main purpose is to collect motion data for analysis or decision making. This model is also suitable for some control applications, such as AHC for smaller vessels with short lever arms to the remote monitoring points.

Applications Section

Ship Motion Monitoring

Precise motion measurements are essential for vessel digitalisation, supporting fuel optimisation, route planning, cargo safety and structural health.

Dynamic Positioning

Dynamic positioning (DP) of vessels necessitates roll and pitch compensation of the GNSS antenna to ensure accurate positioning of the ship's control point.

Subsea Surveys

Subsea surveys often demand precise tilt measurements (roll and pitch) for various purposes, such as installation tasks or continuous monitoring of tilt changes and deflections in subsea structures.

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Applications

Helideck Monitoring

Accurate measurement of roll, pitch, and heave motions is crucial for assessing the safety of helidecks during helicopter landing and take-off operations.

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Bridges

Accurate and high-resolution motion sensors are crucial for the structural monitoring of bridges.

An Inclinometer measures static tilt relative to gravity using accelerometers. It’s ideal for stationary applications but not suitable for dynamic environments due to its inability to compensate for motion or vibration.

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Roll & Pitch accuracy

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Related Faq (MRU marine)

How do I purchase or contact Norwegian Subsea for sensor solutions?

Manual FAQ

What is a Gyrocompass?

An inline question

Product Card Section

MRU Marine

Usage area

Heave accuracy

Roll & Pitch accuracy

Connectors

MRU Compact

Usage area

Heave accuracy

Roll & Pitch accuracy

Connectors

MRU Subsea

Usage area

Heave accuracy

Roll & Pitch accuracy

Connectors

Product Variant Section

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Employees Section

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Applications Section

Ship Motion Monitoring

Dynamic Positioning

Subsea Surveys

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Applications

Helideck Monitoring

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What is an Inclinometer?

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±0.05°

Suitable for

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Product Card Section

MRU Marine

Usage area

Heave accuracy

Roll & Pitch accuracy

Connectors

MRU Compact

Usage area

Heave accuracy

Roll & Pitch accuracy

Connectors

MRU Subsea

Usage area

Heave accuracy