Compact Inertial Measurement Unit IMU400
IMU400 is the state-of-art miniature FOG IMU with low-noise
MEMS accelerometers (3 triads of MEMS utilized and combined)
Gyroscopes
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Range of measured angular rate, °/s
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±540 (±495 for export)
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Bias drift at fixed temperature (100s-averaging, 1σ), °/hour
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≤0.1
≤0.01 (Allan variance)
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Bias drift at changing temperature from -40°C to +60°C (100s-averaging, 1σ), °/hour
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≤0.3
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Scale factor error in temperature range -40°C to +60°C (1σ), ppm
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≤200
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Random walk (Allan variance), °/√hour
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≤0.01
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Bandwidth, Hz
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≥100 (up to 1kHz)
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Accelerometers
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Range of measured acceleration, g
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±10g
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Bias repeatability, mg
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≤1.0
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Velocity random walk, µg/√Hz
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≤80
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Scale factor error in temperature range -40°C to +60°C (1σ), ppm
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≤500
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Physical Characteristics
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Misalignment, mrad
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≤1.5 (≤0.3 mrad under request)
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Output sample rate
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up to 2000 Hz
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Power supply, V
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5 VDC
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Power consumption, W
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≤7 W
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Digital output interface
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RS-422
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Operation temperature
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-40°C ~ +60°C
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Storage temperature
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-40°C ~ +80°C
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Dimensions
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80 × 95 × 62.5 mm
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Weight
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0.7 kg
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Allan variance plot for gyroscopes of IMU400
Allan variance plot for accelerometers of IMU400
Presentation at 2020 IEEE International Symposium on Inertial Sensors and Systems (INERTIAL): paper, poster and pre-recorded Oral Presentation (wmv, pptx, pdf)
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