Product overview
The BWSENSING BW-IMU100 is a low-cost inertial measurement unit for applications including unmanned aircraft, robotics and platform stabilization. Its gyroscope and accelerometer functions occupy a compact package measuring 55 mm long, 37 mm wide and 24 mm high. Output interface options are RS232, RS485 or TTL. The unit incorporates temperature, dynamic and orthogonality compensation, has an IP67 protection rating and operates from -40°C to +85°C. Other applications include automated guided vehicles, self-balancing vehicles, dump trucks, underwater ROV navigation and marine surveying.
Gyroscope bias is 100°/h, while room-temperature bias stability is below 2°/h at 100 s and below 100°/h at 10 s, both at 1σ. The gyroscope also specifies an angle random walk coefficient below 0.1 °/√h, bias repeatability below 50 °/h at 1σ and scale factor nonlinearity of no more than 100 ppm at 1σ. Accelerometer resolution is 0.01 mg. At 25°C, accelerometer bias stability is 1 mg at 100 s and 10 mg at 10 s, both at 1σ.
Specifications
| Specification | Value & conditions |
|---|---|
| Product type | BW-IMU100 series low-cost inertial measurement unit |
| Output interfaces | RS232 / RS485 / TTLSelectable output interface. |
| Dimensions | L55 × W37 × H24 mm |
| Operating temperature | -40°C to +85°C |
| Compensation | Temperature, dynamic and orthogonality compensation |
| Ingress protection | IP67 |
| Gyroscope bias | 100°/h |
| Gyroscope bias stability at 100 s | Less than 2°/hRoom temperature; 100 s; 1σ. |
| Gyroscope bias stability at 10 s | Less than 100°/hRoom temperature; 10 s; 1σ. |
| Gyroscope angle 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 at 100 s | 1 mg25°C; 100 s; 1σ. |
| Accelerometer bias stability at 10 s | 10 mg25°C; 10 s; 1σ. |
| Applications | Dump trucks, self-balancing vehicles, platform stabilization, automated guided vehicles, underwater ROV navigation, marine surveying, robotics and unmanned aircraft |
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