
MRU Marine S
The NORSUB MRU Marine S is a robust and waterproof motion reference unit designed specifically for use in up to 50 m water depth. The Anodized aluminum 6061-T6 casing offers a cost effective solutions for shallow water use.
MRU Marine S
The 3000 series offers a roll and pitch accuracy of 0.05°
The 6000 series improves it further to 0.02°
The 9000 series achieves exceptional precision with 0.01°
Product overview
The MRU Marine S is built to withstand harsh conditions, offering robust performance even in extreme weather and sea conditions. Equipped with state-of-the-art sensor fusion algorithms and advanced technology, it delivers accurate roll, pitch, and heave measurements, enabling operators to optimize vessel performance, enhance safety, and ensure the integrity of marine operations.
The versatility and durability of Norwegian Subsea MRU Marine make it an invaluable tool for a wide range of applications, including offshore wind farms, subsea operations, marine research, and vessel performance analysis.
The versatility and durability of Norwegian Subsea MRU Marine make it an invaluable tool for a wide range of applications, including offshore wind farms, subsea operations, marine research, and vessel performance analysis.


High Accuracy
High accuracy roll, pitch and heave, even in irregular sea states.
Easy interface
Ethernet, serial ports and free software upgrades. Wide range of industry standard protocols. Custom NMEA and Binary protocol generator included in configuration software.
Depth rating 50 m
The robust casing in Marine grade Anodized Aluminum 6061-T6 is seawater resistant and provides a cost effective solution for use underwater and in the splash zone.
Our custom software solution
Experience enhanced efficiency and performance with MRU Insight. Analyze, visualize, and integrate your motion data effortlessly, gaining valuable insights. From real-time monitoring to comprehensive reporting, MRU Insights revolutionizes MRU data utilization for informed decision-making, enhanced safety, and improved performance. Elevate your marine operations with MRU Insights and unlock the full potential of your MRU investment.
MRU Marine S Specification
Roll & Pitch | 0.05° (3000 series) - 0.02° (6000 series) - 0.01° (9000 series) - RMS (dynamic) |
Heave (real time) | 5.0 cm or 5.0 % - Whichever is greater for 0 to 25 s periods, valid for irregular motions in real sea conditions. |
Ports | Ethernet, RS-232 and RS-485 (422) |
Communication | TCP, UDP, Modbus TCP, ethernet/IP, Serial, Modbus RTU |
Protocols | NMEA, ASCII, Binary TSS1, MDL, Atlas, Simrad EM 3000, NORSUB, Custom, etc. ++. See full protocol list in the user manual. |
Output frequency | 0-100 Hz |
Connector | SubConn 8 pins |
Depth rating | 50 m |
Dimentions | 154 x 86 x 67 mm |
Weight | 1.1 kg |
Casing material | Marine Anodized Aluminum 6061-T6 |
Contact us
For any inquiries or assistance, please feel free to contact us. Our dedicated team is ready to provide prompt and helpful support. You can reach us through the provided contact form, email, or phone number.
We look forward to hearing from you!