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GPS and IMU Devices

High accuracy 100Hz GPS receivers and Inertial Measurement Units (IMU) with Real-time Kinematics (RTK) support for the most precise position based test and measurement applications.

Inertial platforms
Inertial platforms
USB 2.0
USB 2.0
CAN bus
CAN bus
Time source
Time source
-40°C to +85°C
-40°C to +85°C
Shock rating 75G
Shock rating 75G

Main Features

  • GPS INTERFACES: Dewesoft offers various robust navigational GPS receivers for precise location tracking, acceleration, and speed measurement.
  • INERTIAL MEASUREMENT UNITS: Dewesoft also offers very rugged IMU units which in addition to GPS receivers have roll/pitch/heading channels with dead reckoning and offer an IP67 degree of protection.
  • RTK 2 CM ACCURACY: With optional RTK upgrade an all GPS and IMU units we are able to improve positioning accuracy down to 2 cm.
  • USB, CAN, RS232: GPS instruments offer various data connection interfaces from USB, CAN and RS232.
  • GYRO: In addition to positioning sensors we also offer DS-GYRO gyroscope for measuring pitch, roll and heading direction. 
  • EASY TO USE: All navigational interfaces offer plug and play functionality, are easy to setup and use. 
  • SOFTWARE INCLUDED WITH FREE LIFETIME UPGRADES: Easy to use, yet very robust in functionality, award-winning DEWESoft X3 software is included. The software comes with lifetime free upgrades and no hidden costs, bringing you intuitive configuration, smart sensors, advanced storage and analysis capabilities.

Full technical specifications | More about DEWESoft X software

Reliable GNSS position tracking

Our GPS and IMU navigational interfaces are compatible with various satellite navigation systems to ensure the best signal coverage and most precise and robust position tracking:

  • GPS L1 and L2
  • GLONASS L1 and L2
  • BeiDou B1 and B2

See technical specification for full specification list and details about which device works with which satellite navigation system. 

Inertial Measurement Unit

Dewesoft offer highly accurate Inertial Measurement Units which provide rugged and reliable GPS aided inertial navigation system including AHRS that provides accurate position, velocity, acceleration and orientation under most demanding conditions.

DS-IMU instruments are rugged devices which offer an IP67 degree of protection and are MIL-STD-810G rated. DS-IMU1 and DS-IMU2 are a combination of multiple sensors like gyroscope, accelerometer, magnetometer, pressure sensor and a high-speed GNSS receiver. Coupled with sophisticated algorithms they deliver very accurate and reliable navigation and orientation. IMU offers up to 500 Hz output data rate.

Real-time Kinematics

All Dewesoft GPS and IMU navigational devices can be upgraded with Real-time Kinematic GNSS technology (RTK). RTK improves positioning accuracy with the combination of GNSS receiver and additional base station down to 2 cm

Any Dewesoft 100 Hz GPS and IMU device can be upgraded with RTK. Dewesoft provides all hardware accessories needed for the upgrade - base station, antennas and 3G and RF modems for data transmission between car and base station. 


We provide a total solution for advanced position based test and measurement applications. Dewesoft X software received multiple innovation rewards, including software innovation of the year by Automotive Testing Technology International magazine. Applications like:

  • Vehicle dynamics
  • Brake test
  • Acceleration test
  • Lane change
  • Circle drive
  • Chassis development
  • Validation
  • ADAS
  • Pass by Noise
  • FUSI
  • RTK positioning

and more are supported directly with the support for the validation and testing standards, mathematical calculations, online visualization, and reporting tools. 

Polygon plugin

Dewesoft X DAQ software features add-on called Polygon. Polygon allows for easy definition of test polygons for all kind of vehicle dynamics and other moving vehicle involved tests. It supports multiple vehicles to be synchronized together as well as other moving or fixed objects.

Advanced 3D visualization with easily adaptable view angle provides a cruical visual representation of tested vehicled and objects. Built-in math provides free definable outputs like distances, angles, gate crosses and more... All the positioning data can be combined with synchronized analog data, CAN bus data, video, XCP/CCP, FlexRay, Kistler KiRoad and many more.


The synchronization is the most important aspect of every test and measurement application. Without the right correlation of data, it's impossible to get correct results.

Parameters from navigational devices like position, velocity, acceleration, altitude, pitch, roll, heading are completely synchronised down to microseconds to the data from other sources like CAN bus, analog (vibrations, deformations, flow), counter/encoder (RPM, angles), video, XCP/CCP, KislerKiroad and others. 

The GPS and IMU devices provide exact time information which allows different devices to be perfectly synchronized even if they are on the other side of the globe. This is great for test scenarios with multiple vehicles. Dewesoft NET technology allows getting all data to a master vehicle fully synchronized.

GPS display

Bright, small, rugged LED display accessory is available for the drivers that can be used inside the vehicle. The display can be directly connected to any of our GPS devices and will display:

  • speed,
  • heading,
  • altitude,
  • time and
  • number of satellites in reach.

Data acquisition software

All Dewesoft data acquisition systems are bundled with award-winning Dewesoft X Professional - world's most advanced and easy-to-use data acquisition and analysis software. With the power of DEWESoft X, you can unleash the DAQ system to its full potentials. It gives you many advantages over other DAQ systems. Functionalities like plug-and-play, hardware auto detection, smart sensors, advanced storing and data analysis features will elevate your measurement and analysis skills to a whole new level.

Plug and Play

Connecting the DAQ system and sensors could not be faster or easier. DEWESoft X will automatically detect the connected DAQ systems and TEDS equipped sensors and will configure the entire channel configuration for you. Features like:

  • hardware auto-detection,
  • smart sensors,
  • sensor database,
  • advanced TEDS support,
  • automatic unit conversion,
  • real-time signal preview,
  • store setup files

will make you ready for measurement in seconds. Spend less time configuring your DAQ systems and be more productive. Time is money!

Measure and Store

Powerful storing capabilities with more than 500 MB/s sustained stream rates means you can always store data at full speed and never again worry about losing data that could compromise your tests. DEWESoft X features:

  • real-time data acquisition,
  • synchronized acquisition of analogue, counter, video, GPS, CAN bus, and many other sources,
  • advanced triggering and alarms,
  • single or multi-file storage,
  • remote and distributed network storing,
  • automated test sequences.

Even if you store gigabytes of data, our innovative data file format will ensure you can load and analyze your data as fast as a blink of an eye.

Analyse and Publish

From Vehicle Dynamics, NVH to Power analysis and much more. Forget about using several and complex software solutions just to analyze and visualize your data. DEWESoft X offers advanced data visualization, analysis, and reporting tools:

  • online and offline mathematics,
  • flexible real-time visual displays,
  • synchronized video support,
  • PDF reporting tools,
  • data export to many standard file formats,
  • unlimited FREE licenses to view and analyze stored data files.

DEWESoft X is designed with the mindset of a test engineer and offers a complete solution in a single software package that is a joy to use.

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