Product overview
The Wuxi Beiwei Sensing Technology BW-IMU100 is a low-cost inertial measurement unit with gyroscope and accelerometer performance specifications. Its application areas include unmanned aircraft, platform stabilization, robotics, automated guided material-handling vehicles and underwater ROV navigation. The compact body measures 55 mm long, 37 mm wide and 24 mm high, defining its physical integration envelope. Output is selectable among RS232, RS485 and TTL; these are interface options for the unit, rather than a stated package of simultaneously supplied connections.
The BW-IMU100 combines IP67 protection with an operating temperature range of -40°C to +85°C and temperature, dynamic and orthogonality compensation. Its measurement specifications retain distinct averaging conditions: room-temperature gyroscope bias stability is below 2°/h at 100 seconds and below 100°/h at 10 seconds, both at 1σ. Accelerometer bias stability is 1 mg at 100 seconds and 10 mg at 10 seconds, both at 25°C and 1σ. These conditions distinguish the listed performance figures for integration planning.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | BW-IMU100 series low-cost inertial measurement unit |
| Output interfaces | RS232 / RS485 / TTLSelectable interface output. |
| Dimensions | L55 × W37 × H24 mm |
| Operating temperature | -40°C to +85°C |
| Compensation | Temperature compensation, dynamic compensation and orthogonality compensation |
| Protection rating | IP67 |
| Gyroscope bias | 100°/h |
| Gyroscope bias stability | Less than 2°/hRoom temperature; 100 s; 1σ. |
| Gyroscope bias stability | Less than 100°/hRoom temperature; 10 s; 1σ. |
| Gyroscope angular random walk coefficient | Less than 0.1 °/√h |
| Gyroscope bias repeatability | Less than 50 °/h1σ. |
| Gyroscope scale factor nonlinearity | ≤100 ppm1σ. |
| Accelerometer resolution | 0.01 mg |
| Accelerometer bias stability | 1 mg25°C; 100 s; 1σ. |
| Accelerometer bias stability | 10 mg25°C; 10 s; 1σ. |
| Application areas | Dump trucks, self-balancing vehicles, platform stabilization, automated guided material-handling vehicles, underwater ROV navigation, marine surveying, robotics and unmanned aircraft |
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