Inertial Measurement Unit IMU1000
IMU1000 is based on three Optolink’s single axis closed loop fiber-optic gyroscope SRS1001 and three pendulum accelerometers.
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Gyroscopes (SRS1001)
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Range of measured angular rate, °/s
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±550
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Bias drift at fixed temperature (100s-averaging, 1σ), °/hour
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≤0.005
≤0.001 (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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≤0.03
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Scale factor error in temperature range -40°C to +60°C (1σ), ppm
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≤100
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Random walk (Allan variance), °/√hour
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≤0.0007
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Bandwidth, Hz
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≥100 (up to 2kHz)
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Accelerometers
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Range of measured acceleration, g
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±10g to ±40g
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Bias repeatability, mg
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≤0.3
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Velocity random walk, µg/√Hz
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≤15
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Scale factor error in temperature range -40°C to +60°C (1σ), ppm
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≤100
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Physical Characteristics
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Misalignment, mrad
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≤0.3 mrad
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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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27±5 VDC
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Power consumption, W
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≤20 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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171 × 224 × 252 mm
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Weight
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8.5 kg
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Allan variance plot of gyroscopes in IMU1000
The export of IMU1000/IMU1001 is under strict government control due to its precision characteristics. Export license is granted upon the International Import Certificate (End Use Certificate) issued by the authorized Ministry of the end user’s country and the end use certificate issued by the ultimate end user reflecting the detailed intended civil end use of the Goods. Besides that, the end user company undertakes to grant the right to inspect the Goods supplied at any time. Please allow 2-3 months for the process; positive outcome is not guaranteed even in case all the required documents are presented
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