Product overview
Wuxi Beiwei Sensing Technology’s BW-IMU100S is an ultra-small inertial measurement unit for applications including low-speed drones, platform stabilization and robotic vehicles. Its measurement functions comprise a gyroscope with a ±500°/sec range and an accelerometer covering ±10 g on the X, Y and Z axes. Dynamic compensation, orthogonality compensation and temperature compensation are included features. The unit provides RS422 output, a baud rate of 115200 and a sampling frequency of up to 200Hz.
The packaged unit measures 22.4×22.4×10mm and weighs ≤30g. Length and width may vary by ±1mm, with actual product dimensions governing. Its electrical specifications are 5V DC supply voltage and 10mA operating current. Operating temperature is -40 to 85°C, while storage temperature is -55 to 100°C. Shock resistance is ≥2000g and vibration is ≥20grms. Full-temperature bias is ≤150 °/h for the gyroscope and ≤5mg for the accelerometer; their respective 1σ bias stability and repeatability limits are ≤12 °/h and ≤0.3mg.
Specifications
| Specification | Value & conditions |
|---|---|
| Manufacturer | Wuxi Beiwei Sensing Technology |
| Model and product type | BW-IMU100S series ultra-small inertial measurement unit |
| Compensation | Dynamic compensation and orthogonality compensation |
| Sampling frequency | Up to 200Hz |
| Baud rate | 115200 |
| Output interface | RS422 |
| Temperature compensation | Temperature compensationTemperature range -40°C to +85°C. |
| Power supply voltage | 5V DC |
| Operating current | 10mA |
| Operating temperature | -40 to 85°C |
| Storage temperature | -55 to 100°C |
| Gyroscope measurement range | ±500°/sec |
| Gyroscope bias | ≤150 °/hAcross the full temperature range. |
| Gyroscope bias stability | ≤12 °/h1σ. |
| Gyroscope bias repeatability | ≤12 °/h1σ. |
| Accelerometer measurement range | ±10 gX, Y and Z axes. |
| Accelerometer bias | ≤5mgAcross the full temperature range. |
| Accelerometer bias stability | ≤0.3mg1σ. |
| Accelerometer bias repeatability | ≤0.3mg1σ. |
| Additional supply voltage specification | 5V |
| System operating temperature range | -40 to 85°C |
| Shock resistance | ≥2000g |
| Vibration | ≥20grms |
| Dimensions | 22.4×22.4×10mmPackaged product; length and width may vary by ±1mm; actual product dimensions govern. |
| Weight | ≤30g |
| Length and width dimensional allowance | Possible ±1mm variation in length and widthPackaged product; actual product dimensions govern. |
| Applications | Low-speed drones, construction machinery, platform stabilization, automated guided vehicles, autonomous driving, robots, unmanned aircraft, unmanned vessels and underwater robots |
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