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Engineered for extremes: HBK’s MV7-AR sets a new standard for ruggedised IMUs

A new inclinometer from Hottinger Brüel & Kjær (HBK) is expected to uniquely advance the safety, stability, and performance of vehicles and equipment in sectors like heavy construction, off-highway mining, and agriculture and farming.
MV7 product photo
Global, August 2025

The MV7-AR is a groundbreaking 6 DOF gyro-stabilised inclinometer which delivers precise measurements of dynamic inclination, acceleration, and angular rate – even in the most challenging environments. 

Using a sophisticated Auto-Adaptive Extended Kalman Filter (EKF), the MV7-AR removes errors that are usually associated with vibration, sudden linear motions, and quake. 

This outstanding accuracy gives engineers and drivers new peace of mind during high-vibration operations, allowing them to make timely, effective decisions to protect safety, productivity, and efficiency. 

 

Built for the toughest jobs in the toughest environments

In addition to the Auto-Adaptive EKF filter, the MV7-AR also uses state-of-the-art temperature compensation and calibration. As a result, the inclinometer offers accuracy of 0.25° RMS at temperatures ranging from –40°C to +85°C.

Encased in an IP68/IP69K-rated housing, it ensures dependable performance even in harsh environments, including:

  • Exposure to heavy rain or splashing
  • High-pressure cleaning operations
  • Dropped from a height of 1m
  • Subjected to 50g shocks or rigorous vibration

This makes the MV7-AR ideal for use in the most challenging outdoor environments. Engineers and drivers can work through snow, ice, rain, heat, or excessive vibration – and still be certain that their inclinometer is delivering accurate data. 

 

Streamlined integration 

The MV7-AR is also designed so that engineers can deploy it quickly and easily, so that it can deliver outstanding results rapidly and with minimal disruption. 

At just 107 grams and 78.9 × 55.0 × 23.5 mm, the unit fits into compact footprints with ease, in any orientation.  


It uses the industry-standard SAE J1939 communication protocol, and has a power range of 4.5-36 VDC, making it compatible with a huge range of vehicles and applications. 

 

Reliable results every time – especially when accuracy is essential 

The MV7-AR delivers game-changing performance in applications such as:


Heavy construction: Used for platform levelling, boom/bucket angle control, auto-grading, and operator safety.


Agriculture and farming: Used for auto-steer, implement control, terrain following, and field navigation.


Mining and off-highway vehicles: Used for load monitoring, stability analysis, and predictive maintenance.


With the MV7-AR, HBK is empowering engineers worldwide to build smarter, safer, more reliable vehicles and equipment – no matter their environment. 


More information about the MVR-AR, is available on HBK’s website.

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About HBK

Hottinger Brüel & Kjær (HBK)’s testing and measurement solutions give engineers around the world the accurate, up-to-date data they need to bring higher-quality products to market faster.

HBK bridges the physical and virtual worlds with robust, flexible hardware and precise, powerful analytics software. Giving design, test, and measurement engineers complete confidence in every reading and every data-driven decision – across the entire product development lifecycle.

Backed by decades of experience and deep expertise, HBK’s sensors and software transform testing and measurement in a huge range of use cases, from building more aerodynamic aircraft to testing the safety of automotive vehicles, and monitoring assets throughout their production cycle.

HBK empower the innovators by providing exceptional sensing and insights to help create solutions for a cleaner, healthier and more productive world.

For more information, please visit www.hbkworld.com

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