Product overview
The Wuxi Beiwei Sensing Technology BW-IMU125C is an inertial measurement unit intended for integration into unmanned aircraft, robots and platform stabilization equipment. It combines gyroscope sensing with acceleration measurement across the X, Y and Z axes. CAN provides the output interface, and sampling reaches up to 500Hz. Dynamic, orthogonality and temperature compensation are product features. Its packaged configuration measures 60 × 59 × 29 mm; the bare-board configuration measures 44 × 35 × 11 mm, with possible ±1mm variation in length and width.
Electrical integration requires 9-36V DC, with operating current of 30mA and a maximum of 40mA. The operating temperature range is -40 to 85°C, while storage spans -55 to 100°C. The gyroscope measures up to ±400°/sec with 0.01°/sec resolution and 100Hz bandwidth. Acceleration measurement covers ±3.6 g on each axis with 0.01 mg resolution. At 25°C, accelerometer bias stability is 0.001mg under the 100s, 1σ condition and 0.01mg under the 10s, 1σ condition.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | BW-IMU125C high-performance inertial measurement unit |
| Compensation | Dynamic and orthogonality compensation |
| Sampling frequency | Up to 500Hz |
| Output interface | CAN |
| Compensated temperature range | -40°C to +85°CTemperature compensation. |
| Supply voltage | 9-36V DC |
| Operating current | 30mA; 40mA maximum |
| Operating temperature | -40 to 85°C |
| Storage temperature | -55 to 100°C |
| Angular-rate resolution | 0.01°/secGyroscope. |
| Angular-rate range | ±400°/secGyroscope. |
| Room-temperature bias stability | Less than 30 °/hGyroscope; room temperature; 10s, 1σ. |
| Full-temperature bias stability | Less than 20 °/hGyroscope; full temperature range; 10s, 1σ. |
| Angular random walk coefficient | Less than 0.1 °/√hGyroscope. |
| Bias repeatability | Less than 50 °/hGyroscope; 1σ. |
| Scale-factor nonlinearity | ≤100ppmGyroscope; 1σ. |
| Bandwidth | 100HzGyroscope. |
| Acceleration range | ±3.6 gAccelerometer; X, Y and Z axes. |
| Acceleration resolution | 0.01 mgAccelerometer. |
| Acceleration bias stability at 100s | 0.001mgAccelerometer; 25°C, 100s, 1σ. |
| Acceleration bias stability at 10s | 0.01mgAccelerometer; 25°C, 10s, 1σ. |
| Applications | Uncrewed vessels and underwater robots; construction machinery; platform stabilization; automated guided vehicles; heavy trucks; autonomous driving; robotics; unmanned aircraft |
| Packaged dimensions | L60 × W59 × H29 mmPackaged configuration. |
| Bare-board dimensions | L44 × W35 × H11 mmBare-board configuration; length and width may vary by ±1mm; actual dimensions govern. |
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