The KONGSBERG MRU‑M‑MB2 (RMP201‑8, MRU2 variant) is a marine motion reference unit (MRU) optimized for vessel attitude monitoring and motion compensation, delivering roll/pitch, heave/surge/sway, and angular rate measurements via MEMS solid‑state sensors + advanced algorithms, ideal for dynamic positioning (DP), ship stabilization, and offshore riser monitoring in harsh marine environments with IP67 protection and 200 Hz high‑speed output.
- Solid‑State Reliability: MEMS gyros/accelerometers with no mechanical wear—MTBF >100,000 hours, reducing maintenance costs by 80% vs. mechanical inclinometers in DP systems.
- Horizontal Acceleration Suppression: Configurable CG offset compensation eliminates bridge‑mount errors, ensuring 0.03° static roll/pitch accuracy even during vessel turns (vs. 0.5° for uncompensated units).
- Dual Communication Redundancy: Serial (RS‑232/422) + Ethernet outputs enable multi‑user data sharing (e.g., DP controller + bridge HMI), avoiding single‑point communication failure.
- Plug‑and‑Play Calibration: MRC+ Windows software auto‑configures monitoring points; lever‑arm compensation cuts commissioning time by 60% in offshore rig retrofits.
- Harsh‑Environment Resilience: IP67 housing withstands salt spray/immersion; wide‑temperature operation ensures 99.99% uptime in Arctic or tropical seas.
- Dynamic Positioning (DP) Systems: Feeds 200 Hz roll/pitch/heave data to DP2/DP3 controllers on FPSOs; reduces position drift by 40% vs. legacy sensors during 5‑m swells.
- Offshore Riser Monitoring: Measures riser fatigue via real‑time motion data; early anomaly detection cuts unplanned downtime by 35% in deepwater drilling operations.
- High‑Speed Craft Stabilization: Drives motion damping systems for patrol boats; pitch/roll compensation reduces crew fatigue by 50% in rough seas.
- Multibeam Echo Sounder Compensation: Corrects wave‑induced roll/pitch; improves seabed mapping accuracy by 30% vs. uncompensated sonars in hydrographic surveys.
- Helideck Stabilization: Ensures landing safety by maintaining ±0.5° attitude tolerance; triggers alarms if motion exceeds thresholds, meeting IMO standards.
- Warranty: 2‑year standard warranty + free factory recalibration; expedited replacement (72 hours) for offshore/marine customers with non‑human faults (e.g., sensor drift, communication failure).
- Technical Support: Pre‑sales CG offset calculation and DP integration design; free MRC+ software for parameter tuning and data logging; on‑site training for class approval compliance with bulk orders.
- Spare Parts & Upgrades: Compatible with MRU‑MB3 (higher accuracy) and MRC+ Pro software; optional IP68 subsea housing (1,000 m depth) for ROV/AUV applications.

-
- KONGSBERG MRC+ Software: Configures MRU, calibrates CG offset, and visualizes motion data.
- KONGSBERG Seapath 300: Integrates MRU data with GNSS for precise vessel positioning (DP3).
- KONGSBERG MRU‑H: High‑accuracy heave‑optimized variant for long‑swell offshore operations.
- KONGSBERG TB‑MRU: Surge‑protected terminal block for serial/Ethernet interfaces.
For MRU‑M‑MB2 CG offset calculation, DP system integration, or bulk quotations, contact:
- WhatsApp: https://wa.me/+86 19389860630
- Email: hnjlyori@163.com
Our KONGSBERG‑certified engineers provide one‑on‑one support for motion compensation design and marine class approval compliance.