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Microstrain has released the 3DM-GX3-25 attitude heading reference system (AHRS).

The 3DM-GX3 is a series of miniature inertial systems that can weigh as little as 11.5 grams.

The 3DM-GX3-25 AHRS will enable the development of the next generation of wearable tracking devices and smaller, lighter unmanned vehicles and robots.

It is suitable for developers of personnel-location tracking systems for first responders.

The 3DM-GX3-25 AHRS combines 12 sensors – triaxial accelerometers, gyroscopes and magnetometers with three embedded temperature-sensors and an on-board microprocessor running a sophisticated sensor fusion algorithm to provide static and dynamic orientation and inertial measurements.

Improved performance under vibration is achieved by over sampling the sensors at 30 KHz, digitally filtering and performing coning and sculling integrals at 1 KHz and outputting deltaAngle and deltaVelocity.

User-adjustable output rates up to 1 KHz make the 3DM-GX3-25 AHRS one of the fastest attitude heading reference systems available today.

Each 3DM-GX3-25 AHRS is individually calibrated to compensate for gyro-G-sensitivity and sensor misalignment.

Full temperature compensation for bias and sensitivity of all nine sensors ensures performance over the full operating range of the sensor.

A new mounting system provides precision alignment of the sensor.

The 3DM-GX3-25 AHRS is supplied with routines that enable the user to carry out hard and soft-iron field calibrations where appropriate.

Units are available with USB 2.0, RS232 and TTL serial interfaces.

Low-cost evaluation kits provide engineers with an economical solution to develop and test applications.

Very competitive OEM discounts make the 3DM-GX3-25 AHRS the solution of choice when low cost and high performance is required.

The 3DM-GX3-25 AHRS solves measurement problems in a variety of applications, including: unmanned vehicle navigation, platform stabilisation, biomechanics, wearable inertial trackers, borehole surveying and athletic performance enhancement.


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