Product overview
The BW-IMU325E combines gyroscope and accelerometer sensing with CAN output for integration into UAVs, robots, autonomous vehicles and platform stabilization systems. Its gyroscope covers ±400°/sec, while the accelerometer measures ±2g on the X, Y and Z axes. Output frequency is 500Hz. Temperature, nonlinearity and orthogonality compensation are included. The product is an inertial sensing component, with packaged and bare board dimensions specified for installation planning.
The packaged unit measures 97 × 63 × 27.2mm; the bare board measures 60 × 54 × 6mm, with a possible ±1mm variation in length and width. Electrical integration requires 9-36V DC, with operating current of 30mA and a 40mA maximum. Operation spans -40 to 85°C, and storage spans -55 to 100°C. Gyroscope and accelerometer bias stability values depend on the stated averaging intervals and temperature conditions. EMC specifications cover electrostatic discharge, electrical fast transients and surge immunity at Level IV under the listed standards.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and interface | Wuxi Beiwei Sensing Technology BW-IMU325E CAN inertial measurement unit |
| Supply voltage | 9-36V DC |
| Operating current | 30mA; 40mA maximum |
| Operating temperature | -40 to 85°C |
| Storage temperature | -55 to 100°C |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope range | ±400°/sec |
| Gyroscope bias stability at 100 seconds | Less than 1.5°/hRoom temperature; 100s, 1σ. |
| Gyroscope bias stability at 10 seconds | Less than 15°/hRoom temperature; 10s, 1σ. |
| Angular random walk coefficient | Less than 0.1°/√h |
| Gyroscope bias repeatability | Less than 50°/h1σ. |
| Gyroscope scale factor nonlinearity | ≤100ppm1σ. |
| Gyroscope scale factor repeatability | ≤100ppm1σ. |
| Output frequency | 500Hz |
| Accelerometer range | ±2gX, Y and Z axes. |
| Accelerometer resolution | 0.01mg |
| Accelerometer bias | 0.15mg |
| Accelerometer bias stability at 100 seconds | 0.001mg25°C; 100s; 1σ. |
| Accelerometer bias stability at 10 seconds | 0.01mg25°C; 10s; 1σ. |
| Electrostatic discharge protection | IEC 61000-4-2 Level IVContact discharge: 8kV; air discharge: 15kV. |
| Electrical fast transient burst immunity | IEC 61000-4-4 Level IVRepetition frequency: 5kHz; positive and negative power terminals: 4kV; signal lines: 2kV. |
| Surge immunity | IEC 61000-4-5 Level IVPositive and negative power terminals and signal lines; common mode: 4kV. |
| Packaged dimensions | L97 × W63 × H27.2mmPackaged product. |
| Bare board dimensions | L60 × W54 × H6mmBare board; length and width may vary by ±1mm; actual hardware dimensions govern. |
| Compensation features | Temperature, nonlinearity and orthogonality compensation |
| Output interface | CAN |
| Application areas | Uncrewed surface vessels, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robotics and UAVs |
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