MRU-E-JB3 Kongsberg MRU-E Motion Reference Unit

KONGSBERG MRU-E-JB3
Brand: KONGSBERG
Model: MRU-E-JB3
Product Name: MRU-E Motion Reference Unit with JB3 Junction Box
Country of Origin: Norway
HS Code Reference: 85437099 (Marine inertial motion measurement sensor; final classification subject to official customs verification)
Technical Parameters
Overall dimension: MRU-E sensor Φ105 mm × 140 mm; JB3 junction box 145 mm (Height) × 110 mm (Width) × 75 mm (Depth)
Net weight: 1.2 kg (complete assembly including sensor and junction box)
Power supply: 24 V DC, operating voltage range 10 V DC to 30 V DC
Operating ambient temperature: -25 ℃ to +70 ℃
Protection rating: IP67 for the MRU-E sensor unit
Roll and pitch measurement range: ±45 degrees
Roll and pitch accuracy: 0.02° RMS
Real-time heave accuracy: 5 cm or 5% of measurement value (whichever is greater)
Data output rate: Up to 200 Hz

Communication interfaces: 10/100 Mbps Ethernet port, dual configurable RS232/RS422 serial ports, internal dedicated interface connecting sensor and junction box
Supported protocols: Kongsberg proprietary marine protocols, standard serial communication protocols
Housing material: Anodized aluminum alloy, corrosion resistant for marine service
Mounting method: Flange mounting with four installation holes, compatible with standard MRU mounting brackets
Vibration and shock performance: Complies with international marine equipment environmental standards
Core functions: Real-time detection of angular motion and linear acceleration, phase-free heave computation, multi-channel signal distribution via JB3 junction box, data filtering and output, internal status monitoring and fault indication