Inertial Measurement Unit (IMU) Based On Micromachining Technology (MEMS) With Built-In High-Performance MEMS Gyroscope
The IMU200B-IMU is an inertial measurement unit (IMU) based on micromachining technology (MEMS) with built-in high-performance MEMS gyroscope and MEMS accelerometer, which outputs 3 angular velocities and 3 accelerations.
The IMU200B-IMU features high reliability and strong environmental adaptability. By matching different software, the product can be widely used in tactical and industrial UAV, smart ammunition, seeker and other fields.
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Test conditions |
Typical value |
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| Angular velocity |
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| Zero bias | Stability | 10 s average, + 70 ℃, + 20 ℃, -40 ℃ |
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| Allan variance, + 20 ℃ |
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2.85 | 3.8 |
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| Repeatability of successive starts |
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22.5 | 30 |
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| Daily start repeatability |
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45 | 60 |
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| Monthly Start Repeatability |
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90 | 120 |
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| Zero-bias total temperature variation | -40 ℃ ~ + 70 ℃, 1 ℃/min, 10 s average, 1σ |
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0.03 | 0.04 |
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| Zero bias | Life-cycle change, accelerated testing |
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0.225 | 0.3 |
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| Scale factor | Repeatability of successive starts |
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150 | 200 |
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| Daily start repeatability |
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300 | 400 |
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| Monthly Start Repeatability |
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600 | 800 |
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| Non-linearity |
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300 | 400 |
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| Full temperature change |
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600 | 800 |
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| Scale factor | Life-cycle change, accelerated testing |
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4500 | 6000 |
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| Acceleration sensitive term |
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| Random walk |
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°/√hr | ||||
| Noise density |
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°/s/√Hz | ||||
| Bandwidth |
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| Data delay | Excluding transmission time |
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| Zero bias | Stability | 10 s average, + 70 ℃, + 20 ℃, -40 ℃ |
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| Allan variance, + 20 ℃ |
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| Repeatability of successive starts |
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| Daily start repeatability |
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| Monthly Start Repeatability |
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| Zero-bias total temperature variation | -40 ℃ ~ + 70 ℃, 1 ℃/min variation |
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| Zero bias | Life-cycle change, accelerated test instead |
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| Scale factor | Repeatability of successive starts |
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| Daily start repeatability |
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| Monthly Start Repeatability |
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| Non-linearity |
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| Full temperature change |
After full temperature calibration and compensation, 1 ℃/min, 10 s average peak-peak value |
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| Scale factor | Life-cycle change, accelerated test instead |
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| Bandwidth |
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| Data delay | Excluding transmission time |
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| Start time | Time from power up to output valid data |
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| Reset time | Time from reset to output valid data (hard reset) |
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| Time from reset to output valid data (soft reset) |
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3 gyro axes and 3 acceleration axes The degree of nonorthogonality between any two ax |
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| Power supply |
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| Power consumption |
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| Communication update rate | 1-way RS422 |
200 (default) 500 (Max) |
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| Communication baud rate | 1-way RS422 |
230.4 (default) 921.6 (Max) |
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