The Attitude and Heading Reference System (AHRS)

Product Summary

graphical user interface imu AHRS-10B AHRS-10P AHRS-II-P OptoAHRS-II
antenna reference unit aru ahrs system ahrs sensor for magnetic attitude and heading professional magnetic heading reference system ahrs heading optical stabilizing reference sensor
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datasheet
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datasheet
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datasheet
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datasheet
Heading accuracy 0.8 deg 0.3 deg 0.3 deg 0.2 deg
Pitch & Roll accuracy 0.2 deg 0.05 deg 0.05 deg 0.05 deg
Gyroscope Bias in-run stability 8 deg/hr 1 deg/hr 1 deg/hr 1 deg/hr
Accelerometer Bias in-run stability 0.005 mg 0.005 mg 0.005 mg 0.005 mg
Size 90 × 27 × 26 mm 90 × 27 × 26 mm 120 x 50 x 53 mm 132 x 60 x 47 mm
Weight 77 gram 84 gram 280 gram 600 gram

Attitude & Heading Reference Systems key performance

Gyroscopes & Accelerometers Bias in-run stability

IMU gyroscope variance

aru variance test acceleration

Heading, Pitch & Roll accuracy

heading pitch and roll accuracy imu

The Inertial Labs Attitude and Heading Reference Systems are enhanced, high-performance strapdown systems, that determines absolute orientation (Heading, Pitch and Roll) and Heave for any device on which it is mounted. Orientation is determined with high accuracy for both motionless and dynamic applications.

The Inertial Labs AHRS utilizes 3-axes each of precision accelerometers, magnetometers and gyroscopes to provide accurate Heave, Heading and Attitude of the device under measure. Integration of gyroscopes’ output provides high frequency, real-time measurement of the device rotation about all three rotational axes. Accelerometers and Fluxgate magnetometer measure absolute Pitch, Roll and magnetic Azimuth at AHRS initial alignment as well as providing ongoing corrections to gyroscopes during operation.

Applications and customer cases


Established in 2001, Inertial Labs is a leader in position and orientation technologies for commercial, industrial, aerospace and defense applications. Inertial Labs has a worldwide distributor and representative network covering 20+ countries across 6 continents delivering compact, high performance and affordable Miniature Orientation Sensors, Motion Reference Units (MRU), Attitude and Heading Reference Systems (AHRS) and GPS-Aided Inertial Navigation Systems (INS). With application breadth on Land, Air, and Sea; Inertial Labs covers the gambit of inertial technologies and solutions. Contact us to learn more.