Description
Kongsberg 3750003 MRU-M-MB4
High-precision 6-DOF motion reference unit for marine dynamic positioning and offshore applications
| Brand | Kongsberg |
| Model | 3750003 MRU-M-MB4 |
| Voltage | 24V DC |
| Country of Origin | Norway |
| Weight | 4.2 kg |
| Dimensions | 180 x 120 x 75 mm |
| Warranty | 6 months |
| Certifications | CE, DNV, ABS, IEC 60945 |
| SKU / MPN | 3750003 MRU-M-MB4 |
| What’s in the box | MRU unit, mounting hardware, user manual, calibration certificate |
| Measurement Axes | 6 Degrees of Freedom (Roll, Pitch, Yaw) |
| Output Type | RS-232/RS-422 Serial |
| Update Rate | 100 Hz |
| Roll/Pitch Accuracy | 0.05° static |
| Operating Temperature | -25°C to +70°C |
| Interface Protocol | NMEA 0183 / proprietary binary |
Key benefits: Real-time 6-axis motion measurement, robust marine-grade construction, high update rate, multi-protocol output, compact and lightweight design
Typical applications: Dynamic positioning systems, offshore crane operations, wave buoy measurement, hydrographic survey vessels, ship motion monitoring, antenna stabilization
Lifecycle: Active product, 15+ years availability with long-term support
Our Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don't worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
Shop with confidence knowing we are offering very competitive pricing!
Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.
Run Business
Building a reputation for quality products at a reasonable price. Our inventory is far more extensive than what can be represented on our web site, so please call one of our knowledgeable salesmen with your specific needs.




Mark O. –
Product was exactly as described. Our engineers were pleased with the performance.