Product overview
The Beiwei Sensing IMU500C is a high-precision inertial measurement unit for applications including unmanned aircraft, robotics and platform stabilization. Its sensing architecture combines gyroscope measurements with acceleration measurements across the X, Y and Z axes. The packaged unit measures 60 mm long, 59 mm wide and 29 mm high, defining its physical integration envelope. Output configuration options are RS232, RS485 or TTL, and sampling frequency reaches up to 500 Hz. Its compensation features include dynamic compensation, orthogonality compensation and temperature compensation.
The gyroscope has a ±400°/sec measurement range and 0.01°/sec resolution; the accelerometer provides a ±3.6 g range and 0.01 mg resolution. The temperature range is -40 °C to +85 °C. Gyroscope bias stability at room temperature is below 0.5 °/h over 100 seconds and below 5 °/h over 10 seconds, both at 1σ. Across the full temperature range, it is below 20 °/h over 10 seconds at 1σ. Accelerometer bias stability at 25 °C is 0.001 mg over 100 seconds and 0.01 mg over 10 seconds, both at 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer and model | Beiwei Sensing IMU500C high-precision inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 500 Hz |
| Output interfaces | RS232 / RS485 / TTLSelectable output interface. |
| Temperature range | -40 °C to +85 °CWith temperature compensation. |
| Dimensions | L60 × W59 × H29 mmPackaged product. |
| 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 5 °/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 angular 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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