Product overview
The BWSENSING BW-AH200 provides attitude and heading reference functions for integration into unmanned aircraft, unmanned vehicles, robots and stabilized platforms. Its physical envelope is 60 × 59 × 29 mm, with a weight of 280 g including the cable, giving integrators concrete space and mass requirements. Output is selectable among RS232, RS485 and TTL, so interface selection forms part of the hardware configuration. Roll and pitch accuracy is 0.5°, while heading accuracy is 0.8°; the tilt ranges are ±90° in pitch and ±180° in roll.
The sensing specifications cover gyroscope and three-axis accelerometer measurements. The gyroscope has a ±400°/sec range, 0.01°/sec resolution and 200 Hz bandwidth; the accelerometer range is ±3.6 g on each axis. Temperature compensation accompanies a −40°C to +85°C temperature range. Bias stability figures carry specific averaging-time and statistical conditions, including separate accelerometer values at 25°C for 100-second and 10-second intervals. Integration requirements also include the stated 2000 g shock resistance at 0.5 ms for three shocks per axis, insulation resistance of at least 100 MΩ and electromagnetic compatibility according to GBT17626.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity and type | BWSENSING BW-AH200 low-cost attitude and heading reference system |
| Dimensions | L60 × W59 × H29 mm |
| Weight | 280 gIncluding cable. |
| Interface options | RS232, RS485 or TTLSelectable output interface. |
| Temperature range | -40°C to +85°CTemperature compensated. |
| Roll and pitch accuracy | 0.5° |
| Heading accuracy | 0.8° |
| Tilt range | Pitch ±90°; roll ±180° |
| Gyroscope resolution | 0.01°/sec |
| Gyroscope measurement range | ±400°/sec |
| Gyroscope bias stability | 20°/hAcross the full temperature range; 10 s, 1σ. |
| Gyroscope angular random walk coefficient | Less than 0.1 °/√h |
| Gyroscope scale factor nonlinearity | ≤100 ppm1σ. |
| Gyroscope scale factor repeatability | ≤100 ppm1σ. |
| Gyroscope bandwidth | 200 Hz |
| Accelerometer measurement range | ±3.6 gX, Y and Z axes. |
| Accelerometer bias stability at 100 s | 0.001 mg25°C, 100 s, 1σ. |
| Accelerometer bias stability at 10 s | 0.01 mg25°C, 10 s, 1σ. |
| Mean time between failures | ≥90,000 hours |
| Electromagnetic compatibility | According to GBT17626 |
| Insulation resistance | ≥100 MΩ |
| Shock resistance | 2000 g0.5 ms; three shocks per axis. |
| Application areas | Satellite tracking; unmanned vehicles; platform stabilization; underwater robot navigation; drilling equipment measurement and control; marine survey instruments; robot control; unmanned aircraft |
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