Product overview
The BWSENSING IMU225 is an inertial sensing component for integration into unmanned aircraft, robots and other mobile equipment. Its measurement architecture includes gyroscope and accelerometer functions, with CAN output for connection to a host system. The overall package measures L60 × W59 × H29 mm, while the mainboard measures L44 × W35 × H11 mm. These dimensions define the component’s integration footprint; the product is an IMU rather than a flight platform or airframe kit.
Integration requires a 9–36 V DC supply, with operation specified from -40 to +85 °C. The IMU225 provides temperature, dynamic and orthogonality compensation, and sampling reaches up to 500 Hz. Measurement figures retain distinct timing and temperature conditions: gyroscope bias stability is below 2°/h over 100 seconds and below 20°/h over 10 seconds at room temperature, both at 1σ. Accelerometer bias stability is 0.001 mg over 100 seconds or 0.01 mg over 10 seconds at 25 °C, both at 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | BWSENSING IMU225 low-cost CAN inertial measurement unit |
| Output interface | CAN |
| Overall dimensions | L60 × W59 × H29 mm |
| Mainboard dimensions | L44 × W35 × H11 mm |
| Supply voltage | 9–36 V DC |
| Operating temperature | -40 to +85 °C |
| Temperature compensation | Temperature compensationTemperature range: -40 to +85 °C. |
| Additional compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500 Hz |
| Gyroscope bias stability, 100 s | Less than 2°/hRoom temperature; 100 s; 1σ. |
| Gyroscope bias stability, 10 s | Less than 20°/hRoom temperature; 10 s; 1σ. |
| Gyroscope angular random walk coefficient | Less than 0.1 °/√h |
| Gyroscope bias repeatability | Less than 50°/h1σ. |
| Gyroscope scale factor nonlinearity | ≤100 ppm1σ. |
| Accelerometer resolution | 0.01 mg |
| Accelerometer bias | 0.1 5mg |
| Accelerometer bias stability, 100 s | 0.001 mg25 °C; 100 s; 1σ. |
| Accelerometer bias stability, 10 s | 0.01 mg25 °C; 10 s; 1σ. |
| Intended applications | Unmanned vessels and underwater robots; construction machinery; platform stabilization; automated guided vehicles; heavy trucks; autonomous driving; robotics; unmanned aircraft |
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