Product Short Description
Technical Specifications
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Output Accuracy
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Roll / pitch static RMS: 0.03°
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Roll / pitch dynamic 1-sigma: 0.010°
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Heave real-time RMS: 5 cm or 5 % (whichever is greater)
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Heave delayed RMS: 1 cm or 1 % (whichever is greater)
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Heave Period Range
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Real-time: up to 25 s
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Delayed (post-processed): up to 50 s
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Data Output Rate
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200 Hz maximum for high-speed applications
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Description
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Interfaces
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Serial: RS-232, RS-422
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Ethernet: 10/100 Mbit (on compatible MRU-E variants)
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Analog: 0–10 V or 4–20 mA (via JB3 terminal strips)
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Power Supply
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Input: 100–240 V AC, 50/60 Hz, 0.6 A
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Output: 24 V DC, 0.63 A to MRU sensor
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Mechanical & Environmental
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Dimensions: 226 mm × 126 mm × 90 mm
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Weight: 2.0 kg
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Enclosure: aluminium with IP-66 protection
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Operating temperature: –25 °C to +70 °C
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Storage temperature: –25 °C to +70 °C
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Functional Features
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PFreeHeave Algorithm: Delivers precise heave at long wave periods without external aiding
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Lever-Arm Compensation: Configurable monitoring points for multiple onboard or subsea reference locations
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Real-Time & Delayed Outputs: Simultaneous low-latency and high-accuracy heave streams
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Plug-and-Play Integration: Factory-terminated glands (9–21 mm clamping range) simplify cable routing
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Type Approval: Certified by ABS, BV, CCS, DNV, KR, LR, RS, NKK, PRS, RINA
Application Scenarios
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Marine & Offshore: Dynamic positioning, crane heave compensation, wave-height monitoring
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Naval & Defense: Ship attitude reference for weapon systems and helicopter landing aids
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Survey & Research: Motion correction for multibeam echo-sounders, USBL and LBL positioning
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Industrial: Motion compensation for offshore wind turbine installation and maintenance vessels
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