AHRS-II-P - Attitude and Heading Reference System

Available from Inertial Labs Inc
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The Inertial Labs AHRS-II-P utilizes Tactical-grade IMU: 3-axes each of precision accelerometers & gyroscopes and Ultra High precision, gyro-compensated, embedded Fluxgate Compass to provide accurate Heading/Yaw, Pitch and Roll 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.

AHRS-II-P Key Features:
➢ State-of-the-art Kalman Filter based algorithms for different dynamic motions of UAV, Aircrafts, Helicopters, Gimbals and Antennas;
➢ Highly accurate, sensitive, and temperature stable Fluxgate magnetometers (in-house technology);
➢ Input from External GNSS Receiver;
➢ 0.6 deg Gyro-Stabilized Heading and 0.08 deg Pitch & Roll Dynamic Accuracy over operational temperature range;
➢ 1 deg/hr gyroscopes Bias in-run stability;
➢ 5 µg accelerometers Bias in-run stability;
➢ Suitable for Primary Attitude Reference and as Motion Control System for marine applications;
➢ Embedded 2D and 3D magnetic calibration on hard and soft iron;
➢ RS-232, RS-422, and CAN 2.0 interfaces;
➢ Full temperature calibration of all sensing elements;
➢ Up to 200 Hz data update rate (AHRS) and 2000 Hz data rate (IMU);
➢ Compact design. Environmentally sealed (IP67).

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