Product overview
The Wuxi Beiwei Sensing Technology BW-AH200 is a low-cost attitude and heading reference system for integration into equipment including unmanned aircraft, unmanned vehicles and stabilized platforms. Its physical envelope measures 60 × 59 × 29 mm, and its 280 g weight includes the cable. The sensing specifications cover a gyroscope and a three-axis accelerometer. Output can be selected as RS232, RS485 or TTL, making the interface option a specific part of the integration configuration.
The BW-AH200 provides 0.5° roll and pitch accuracy and 0.8° heading accuracy, with pitch coverage of ±90° and roll coverage of ±180°. Its gyroscope has a ±400°/sec range and 200 Hz bandwidth; the accelerometer covers ±3.6 g on each axis. Temperature compensation accompanies a -40°C to +85°C temperature range. Shock resistance is specified at 2000 g for 0.5 ms, three times per axis. Accelerometer bias stability depends on the stated measurement interval at 25°C.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology |
| Model and product type | 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° |
| Mean time between failures | ≥90,000 hours |
| Electromagnetic compatibility | In accordance with GBT17626 |
| Insulation resistance | ≥100 MΩ |
| Shock resistance | 2000 g0.5 ms; three shocks per axis. |
| 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. |
| Applications | Satellite tracking, unmanned vehicles, platform stabilization, underwater robot navigation, drilling equipment measurement and control, marine survey instruments, robot control and unmanned aircraft |
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