Product overview
The Beiwei Sensing IMU325 is an inertial measurement unit for integration into unmanned aircraft, robots, autonomous vehicles and stabilization systems. Its sensing specifications cover a gyroscope and an accelerometer, with CAN output providing the connection to a host system. The external dimensions are 60 × 59 × 29 mm, while the mainboard measures 44 × 35 × 11 mm. These two dimensional specifications define the unit’s physical integration space and the size of its internal board.
The IMU325 supports sampling at up to 500 Hz and operation from -40 to +85 °C, with temperature, dynamic and orthogonality compensation. Its gyroscope has a ±400°/sec range and 0.01°/sec resolution. Gyroscope bias stability is specified at room temperature with separate 100-second and 10-second values; accelerometer bias stability likewise has separate averaging intervals at 25 °C. Procurement scope is an inertial sensing unit with CAN output, with performance figures tied to their stated measurement conditions.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | Beiwei Sensing IMU325 CAN inertial measurement unit |
| Output interface | CAN |
| External dimensions | L60 × W59 × H29 mm |
| Mainboard dimensions | L44 × W35 × H11 mm |
| Operating temperature | -40 to +85 °C |
| Temperature compensation | Temperature compensationTemperature range: -40 °C to +85 °C. |
| Additional compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500 Hz |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope bias stability | Less than 1.5°/h (100 s, 1σ); less than 15°/h (10 s, 1σ)Room temperature; 100 s, 1σ and 10 s, 1σ, respectively. |
| Gyroscope angle random walk coefficient | Less than 0.1°/√h |
| Gyroscope bias repeatability | Less than 50°/h (1σ)1σ. |
| Accelerometer bias | 0.15 mg |
| Accelerometer bias stability | 0.001 mg (25 °C, 100 s, 1σ); 0.01 mg (25 °C, 10 s, 1σ)25 °C; 100 s, 1σ and 10 s, 1σ, respectively. |
| Applications | Unmanned vessels, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robots and unmanned aircraft |
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