Xsens Sirius AHRS/MRU

The Xsens Sirius AHRS & MRU is our highest-performing attitude and heading reference system. Includes heave output for marine applications.

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An industry-leading development platform

AHRS & MRU

The Xsens Sirius AHRS is our highest-performing attitude and heading reference system. It delivers drift-free roll, pitch, true-north-referenced yaw and heave output for marine applications.

Vibration- and shock-rejecting

The Xsens Sirius AHRS/MRU features best-in-class vibration-rejecting gyroscopes and signal pipeline, supported by analog filtering.​It guarantees high-quality orientation data, even in challenging environments.

IP68 MIL-standard housing

The Xsens Sirius AHRS is ruggedly built, with a protective, anodized, IP68 MIL-standard waterproof aluminum housing, waterproof connectors, and special studs for easy mounting and aligning.

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Specifications

Sensor fusion performance

Roll, pitch

0.2 deg RMS

Yaw/heading

1 deg RMS

Strapdown integration (SDI):

Yes

Sensing components

Gyroscope

Standard full range

300 deg/s

In-run bias stability

7 deg/h

Noise density

0.003 °/s/√Hz

Accelerometer

Standard full range

8 g

In-run bias stability

15 µg

Noise density

15 µg/√Hz

Magnetometer

onboard

System specifications

Mechanical

IP-rating (equivalent)

IP68

Dimensions

56.5 × 40.9 × 24.75 mm

Weight

78.5 g

Electrical

Input voltage

4.5 V – 24 V

Interfaces / IO

720mW (typical)

Interfaces

RS232, RS422, CAN

Protocols

Xbus, ASCII (NMEA)

Output frequency

Up to 2kHz, 400Hz SDI

Download the full Xsens Sirius AHRS/MRU specifications →

Complete and detailed specifications are available at mtidocs.xsens.com

 

Free to download MT Software Suite

The MT Software Suite gives you easy access to the Xsens Sirius AHRS and contains a specially developed, easy-to-use graphical user interface, as well as drivers for various operating systems. It also offers many other useful tools, for example source code and documentation.

The suite comes with complete documentation. Of course, you can also always contact our technical support staff if you have questions.

Download MT Software Suite

The MT Software Suite includes different software programs, such as:

MT Manager (GUI)

This provides you with easy access to all the functions of your Xsens Sirius module from the comfort of your office. MT Manager enables recording and playback of data, real-time data viewing, including graphs, and easy settings configuration.

MT SDK

This program is for self-developing your software to communicate with our sensor, including programming examples for C, C++, C#, MATLAB, Python, ROS, and Nucleo/STM boards.

Magnetic Field Mapper

Magnetic Field Mapper (MFM) is a calibration tool for conducting magnetic calibration, available as GUI for Windows and as SDK.

Choose the option that works best for you

Buy a development kit

If you want to work with the Xsens Sirius AHRS for the first time, we recommend getting started with the Xsens Sirius Starter Kit.

Learn more about the benefits

Purchase at a local channel partner

You can purchase an Xsens Sirius AHRS via any of our resellers in or near your country or through an online catalogue.

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Request a quote

For any final questions or comparisons, feel free to contact our product support team.

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Other AHRS products

MTi-3 AHRS

The MTi-3 is a very small AHRS AHRS that delivers true-north-referenced yaw, or heading.

See product ->

MTi-630 AHRS

The MTi-630 is an AHRS with an OEM form factor. Its sensors and sensor fusion algorithm deliver data on drift-free roll, pitch and true-north-referenced yaw.

See product ->

MTi-630R AHRS

The MTi-630R is a rugged AHRS. Its sensors and sensor fusion algorithm deliver data on drift-free roll, pitch and true-north-referenced yaw.

See product ->

Xsens Avior AHRS

High-performing AHRS with an OEM form factor. Its sensor fusion algorithm delivers data on drift-free roll, pitch, and true-north-referenced yaw.

See product ->