IMU‑IGM-A1 and IMU-IGM-S1 Sensor Specifications

IMU‑IGM-A1 IMU Performance

Gyroscope Performance

Technology

MEMS

Gyro Input Range

± 450 °/s

In Run Gyro Rate Bias Stability

6.25 °/hr

Angular Random Walk

0.3 °/√hr

Accelerometer Performance

Technology

MEMS

Accelerometer Range

± 18 g

In Run Accelerometer Bias Stability

0.1 mg

Velocity Random Walk

0.029 m/s/√hr

Data Rate

IMU measurement

200 Hz

IMU‑IGM-S1 IMU Performance

Gyroscope Performance

Technology

MEMS

Dynamic range

400 °/s

Bias instability

0.3 °/hr

Angular random walk

0.15 °/√hr

Accelerometer Performance

Technology

MEMS

Dynamic range

10 g

Bias instability

0.04 mg

Velocity random walk

0.07 m/s/√hr

Data Rate

IMU measurement

125 Hz