Product overview
Wuxi Beiwei Sensing Technology’s BW-IMU620 is an inertial measurement unit for integration into navigation, attitude-measurement and stabilization systems. Its applications include unmanned aircraft, underwater robot navigation, autonomous-driving navigation platforms, pipeline measurement and model attitude-angle measurement. The compact unit measures 44.8 × 38.6 × 21.5 mm and provides RS422 output. Its sensing configuration combines a gyroscope range of ±500°/s with a standard accelerometer range of ±20g; optional accelerometer configurations provide ±5g or ±50g.
The BW-IMU620 incorporates orthogonal compensation and temperature compensation, with a specified temperature range of -40°C to +85°C. Gyroscope bandwidth is 200Hz, maximum output frequency is 500Hz and startup delay is 200ms. Room-temperature bias stability is below 5°/h with 10s smoothing, while room-temperature bias repeatability is below 3°/h. Across the full temperature range, bias is specified as 30°/h without temperature compensation and below 10°/h with compensation, making the compensation condition material to integration requirements.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology |
| Model and product type | BW-IMU620 series high-performance inertial measurement unit |
| Orthogonal compensation | Included |
| Gyroscope resolution | 0.00006°/s |
| Gyroscope measurement range | ±500°/s |
| Gyroscope bias stability | Less than 5°/hRoom temperature; 10s smoothing. |
| Gyroscope bias repeatability | Less than 3°/hRoom temperature. |
| Gyroscope angular random walk | 0.25°/√hRoom temperature. |
| Gyroscope bias | 30°/hFull temperature range; without temperature compensation. |
| Gyroscope bias | Less than 10°/hFull temperature range; with temperature compensation. |
| Gyroscope scale-factor nonlinearity | Less than 150ppm |
| Gyroscope bandwidth | 200Hz |
| Maximum output frequency | 500Hz |
| Startup delay | 200ms |
| Accelerometer measurement range | ±20gStandard accelerometer range. |
| Optional accelerometer measurement ranges | ±5g or ±50gOptional accelerometer configurations. |
| Output interface | RS422 |
| Temperature range | -40°C to +85°CTemperature compensation provided. |
| Product dimensions | L44.8 × W38.6 × H21.5 mm |
| Applications | Pipeline measurement engineering; model attitude-angle measurement; platform stabilization; autonomous-driving navigation platforms; underwater robot navigation; unmanned aircraft |
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