Product overview
The BWSENSING IMU425C is a packaged inertial measurement unit for applications including unmanned aircraft, platform stabilization and robotics. Its sensing specifications cover a gyroscope and an accelerometer, with acceleration measurement on the X, Y and Z axes. The enclosure measures 60 mm long, 59 mm wide and 29 mm high, defining its physical integration space. CAN provides the output interface, while sampling reaches up to 500 Hz. Dynamic compensation and orthogonality compensation are included features.
The gyroscope measures rates within ±400°/sec with 0.01°/sec resolution, while the accelerometer provides a ±3.6 g range and 0.01 mg resolution. Temperature compensation accompanies a specified range of -40 °C to +85 °C. Bias stability figures carry distinct measurement conditions: room-temperature gyroscope stability is below 0.5 °/h at 100 seconds and below 10 °/h at 10 seconds, both at 1σ. Accelerometer stability is 0.001 mg at 100 seconds and 0.01 mg at 10 seconds, measured at 25 °C and 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | IMU425C high-performance CAN inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500 Hz |
| Output interface | CAN |
| Temperature range | -40 °C to +85 °CTemperature compensation |
| Packaged dimensions | L60 × W59 × H29 mm |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope room-temperature bias stability | Less than 0.5 °/h (100 s, 1σ); less than 10 °/h (10 s, 1σ)Room temperature; 100 s, 1σ and 10 s, 1σ, respectively |
| Gyroscope full-temperature bias stability | Less than 20 °/h (10 s, 1σ)Full temperature range; 10 s, 1σ |
| Gyroscope angle random walk | Less than 0.1 °/√h |
| Gyroscope bias repeatability | Less than 50 °/h (1σ)1σ |
| Accelerometer measurement range | ±3.6 gX, Y and Z axes |
| Accelerometer resolution | 0.01 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 and underwater robots; construction machinery; platform stabilization; automated guided vehicles; heavy trucks; autonomous driving; robotics; unmanned aircraft |
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