Product overview
The Wuxi Beiwei Sensing Technology BW-AH325 is an attitude and heading reference component for unmanned aircraft, unmanned vehicles, platform stabilization and robotic applications. Its architecture includes a gyroscope and a three-axis accelerometer, with CAN output. Roll and pitch accuracy is 0.3°, while heading accuracy is 0.5°. The tilt range covers pitch ±90º and roll ±180º. Gyroscope specifications include a ±400°/sec measurement range, 0.01°/sec resolution and 100Hz bandwidth; the accelerometer range is ±3.6 g on each of its X, Y and Z axes.
Mechanical integration requires space for a unit measuring L60 × W59 × H29 mm, with a weight of 280g including its cable. The BW-AH325 is a sensing component rather than a flight platform or airframe kit. It has temperature compensation over a -40℃ to +85℃ range and shock resistance of 2000g for 0.5ms, three shocks per axis. Measurement conditions matter: accelerometer bias stability at 25℃ and 1σ is 0.001mg over 100s or 0.01mg over 10s. Gyroscope bias stability across the full temperature range is 15°/h at 10s and 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | BW-AH325 CAN-bus attitude and heading reference system |
| Manufacturer | Wuxi Beiwei Sensing Technology |
| Output interface | CAN |
| Roll and pitch accuracy | 0.3° |
| Heading accuracy | 0.5° |
| Tilt range | Pitch ±90º; roll ±180º |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope bias stability | 15°/hAcross the full temperature range; 10s, 1σ. |
| Gyroscope angular random walk coefficient | Less than 0.1 °/√h |
| Gyroscope scale factor nonlinearity | ≤100ppm1σ. |
| Gyroscope scale factor repeatability | ≤100ppm1σ. |
| Gyroscope bandwidth | 100Hz |
| Accelerometer measurement range | ±3.6 gX, Y and Z axes. |
| Accelerometer bias stability at 100 seconds | 0.001mg25℃, 100s, 1σ. |
| Accelerometer bias stability at 10 seconds | 0.01mg25℃, 10s, 1σ. |
| Temperature range | -40℃ to +85℃Temperature compensated. |
| External dimensions | L60 × W59 × H29 mm |
| Weight | 280gIncluding cable. |
| Mean time between failures | ≥90000 hours |
| Electromagnetic compatibility | According to GBT17626 |
| Insulation resistance | ≥100 MΩ |
| Shock resistance | 2000g0.5ms; 3 shocks per axis. |
| Application areas | Satellite tracking; unmanned vehicles; platform stabilization; underwater robots; drilling equipment measurement and control; marine survey instruments; robot control; unmanned aircraft |
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