Product overview
The BWSENSING IMU427C is a packaged inertial measurement unit combining gyroscope and accelerometer sensing for applications that include unmanned aircraft, unmanned vessels, underwater robots and platform stabilization. Its physical envelope measures 60 mm long, 59 mm wide and 29 mm high, defining the space needed for the packaged sensor during integration. The unit provides RS232, RS485 and TTL output interfaces with Modbus support, alongside dynamic compensation, orthogonality compensation and sampling at up to 500 Hz.
The gyroscope measures angular rates over ±400°/sec with 0.01°/sec resolution, while the accelerometer covers ±3.6 g on the X, Y and Z axes with 0.01 mg resolution. The temperature range is -40 °C to +85 °C with temperature compensation. Bias stability depends on the stated measurement conditions: gyroscope figures distinguish room-temperature and full-temperature operation, while accelerometer figures apply at 25 °C. Both sensors have separate stability values for 100-second and 10-second intervals.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | BWSENSING IMU427C high-performance Modbus inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500 Hz |
| Output interfaces and protocol | RS232 / RS485 / TTL / Modbus |
| Temperature range | -40 °C to +85 °CTemperature compensation. |
| Dimensions | L60 × W59 × H29 mmPackaged product. |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope bias stability at room temperature | 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 bias stability across temperature | Less than 20°/h (10 s, 1σ)Full temperature range; 10 s, 1σ. |
| Angular random walk coefficient | Less than 0.1°/√h |
| 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, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robotics and unmanned aircraft |
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