Inertial Measurement Unit IMU500T
with extended operation temperature range (-60°С ~ +60°С), waterproof
IMU500T is based on Optolink’s IMU500 unit with additional heating system that ensures successful operation at temperatures down to -60°С
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Gyroscopes (TRS500)
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Range of measured angular rate, °/s
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±400
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Bias drift at fixed temperature (100s-averaging, 1σ), °/hour
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≤0.1
≤0.007 (Allan variance)
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Bias drift at changing temperature from -60°C to +60°C (100s-averaging, 1σ), °/hour
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≤0.5
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Scale factor error in temperature range -60°C to +60°C (1σ), ppm
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≤300
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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 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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≤0.5
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Velocity random walk, µg/√Hz
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≤20
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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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27±5 VDC
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Power consumption, W
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≤15W normal, ≤80W (heating on)
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Digital output interface
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RS-422 (RS-485 under request)
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Operation temperature
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-60°C ~ +60°C
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Storage temperature
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-60°C ~ +80°C
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Dimensions
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185 × 143 × 114 mm
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Weight
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2.6 kg
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Allan variance plot of gyroscopes in IMU500T
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