Inertial Measurement Unit IMU1000

IMU1000 is based on three Optolink’s single axis closed loop fiber-optic gyroscope SRS1001 and three pendulum accelerometers.

Gyroscopes (SRS1001)

Range of measured angular rate, °/s

±550

Bias drift at fixed temperature (100s-averaging, 1σ), °/hour

≤0.005
≤0.0005 (Allan variance)

Bias drift at changing temperature from -40°C to +60°C
(100s-averaging, 1σ), °/hour

≤0.03

Scale factor error in temperature range -40°C to +60°C (1σ), ppm

≤100

Random walk (Allan variance), °/√hour

≤0.0007

Bandwidth, Hz

≥100 (up to 2kHz)

Accelerometers

Range of measured acceleration, g

±10g to ±40g

Bias repeatability, mg

≤0.3

Velocity random walk, µg/√Hz

≤15

Scale factor error in temperature range -40°C to +60°C (1σ), ppm

≤100

Physical Characteristics

Misalignment, mrad

≤0.3 mrad

Output sample rate

up to 2000 Hz

Power supply, V

24~36 VDC

Power consumption, W

≤20 W

Digital output interface

RS422 (RS485 under request)

Operation temperature 

-40°C ~ +60°C

Storage temperature

-40°C ~ +80°C

Dimensions

171 × 224 × 252 mm

Weight

8.5 kg

 

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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