Product overview
The Beiwei Sensing IMU327 is an inertial measurement component for integration into unmanned aircraft, robots and other mobile equipment. Its architecture combines gyroscope and accelerometer sensing in a packaged unit measuring 60 × 59 × 29 mm, with a main board measuring 44 × 35 × 11 mm. These dimensions define the enclosure and board space relevant to integration. Selectable RS232, RS485, TTL and Modbus outputs provide interface choices for connection to the host system.
The packaged unit carries an IP67 protection rating and supports a temperature range of -40 °C to +85 °C with temperature compensation. Its processing includes nonlinearity, dynamic, orthogonality and drift compensation. Sampling reaches up to 500 Hz, while gyroscope bandwidth is 100 Hz. Measurement limits are ±400°/sec for angular rate and ±3.6g on each accelerometer axis. Bias-stability figures depend on the stated temperature and averaging interval, with separate values for 10-second and 100-second measurements.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Beiwei Sensing IMU327 Modbus inertial measurement unit |
| External dimensions | L60 × W59 × H29 mmPackaged product. |
| Board dimensions | L44 × W35 × H11 mmMain board. |
| Selectable output interfaces | RS232 / RS485 / TTL / Modbus |
| Temperature range | -40 °C to +85 °CWith temperature compensation. |
| Maximum sampling frequency | Up to 500 Hz |
| Gyroscope bias stability | Less than 1.5°/hRoom temperature; 100 s, 1σ. |
| Gyroscope bias stability | Less than 15°/hRoom temperature; 10 s, 1σ. |
| Angular-rate resolution | 0.01°/sec |
| Angular-rate measurement range | ±400°/sec |
| Algorithm compensation | Nonlinearity, dynamic, orthogonality, temperature and drift compensation |
| Ingress protection | IP67Packaged product. |
| Gyroscope angular random walk coefficient | Less than 0.1°/√h |
| Gyroscope bias repeatability | Less than 50°/h1σ. |
| Gyroscope bandwidth | 100 Hz |
| Accelerometer measurement range | ±3.6gX, Y and Z axes. |
| Accelerometer bias | 0.15mg |
| Accelerometer bias stability | 0.001mg25 °C; 100 s; 1σ. |
| Accelerometer bias stability | 0.01mg25 °C; 10 s; 1σ. |
| Applications | Unmanned vessels, underwater robots, construction machinery, platform stabilization, automated guided vehicles, heavy trucks, autonomous driving, robotics and unmanned aircraft |
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