Xsens / Movella Sirius Rugged Inertial Measurement Units (IMUs) are purpose-built to deliver consistent performance, providing the critical foundation for autonomous systems operating in the most demanding conditions. These IP68-rated devices feature an advanced signal pipeline with analog filtering, ensuring high vibration resistance for precise measurements even in extreme vibration environments. A dual-processor design enables accurate orientation data, supporting navigation everywhere. The compact plug-and-play Movella Xsens Sirius IMUs offer exceptional resistance against magnetic disturbances and are easy to integrate into existing designs.
Features
Accurate orientation data, supporting navigation everywhere
MIL-standard IP68 housing, resistant to temperature extremes, humidity, salt spray, sand/dust, shock/vibration, pressure, and electromagnetic interference
Accurate measurements even in extreme vibration conditions
Free global assistance from expert field application engineers
Backed by a strong partner network and compatibility (NVIDIA/HESAI/ROS/Matlab and more)
Applications
Marine
Mobile robotics
Precision agriculture
3D mapping and surveying
Specifications
0.2° RMS roll/pitch for AHRS and VRU (not applicable to IMU)
Yaw/heading
Unreferenced for VRU
Low drift <1° RMS for AHRS
Not applicable to IMU
Gyroscope
±300°/s standard full range
7°/h in-run bias stability
400Hz bandwidth (-3dB)
0.003°/s/√Hz noise density
0.08°/s/g g-sensitivity (calibrated)
Accelerometer
±8g standard full range
15µg in-run bias stability
470Hz bandwidth (-3dB)
15µg/√Hz noise density
Magnetometer
±8g standard full range
1mG total RMS noise
0.2% non-linearity
0.25mG resolution
Mechanical
IP68 rated
-40°C to +85°C operating temperature range
Aluminum casing material
No mounting restrictions, full 360° in all axes
56.5mm x 40.9mm x 24.75mm size
ODU (AMC HD 12-pin) connector
Electrical
4.5V to 24V input voltage range
<1W power consumption
Interfaces/IO
RS232/RS422 and CAN interfaces
SyncIn, SyncOut, and ClockSync options
Xbus, ASCII (NMEA), and CAN protocols
10ppm clock drift (or external)
Up to 400Hz output frequency (SDI)
Built-in Gyr, Acc, and Mag self-tests
MT Manager, Firmware updater, and Magnetic Field Mapper software suite GUIs (Windows/Linux)
C++, C#, Python, Matlab, and public source code SDK (example code)
LabVIEW, ROS, and GO drivers
Components
Sirius AHRS - Unrivaled heading accuracy with drift-free roll, pitch, and true north; referenced yaw, providing heading accuracy of <1° RMS.
Sirius IMU - High-performance Strap Down Integration (SDI) delivering accurate, calibrated, raw inertial sensor data, including 3D rate of turn, acceleration, and magnetic field data.
Sirius VRU - Reliable 3D orientation tracking achieving exceptional accuracy levels with high-quality calibrated roll, pitch, and (unreferenced) yaw data.
