The hardness profile of a roll is a great overall measure of roll quality. Common roll faults such as bagginess, rope marks or loose edges are clearly visible in the hardness profile.


Contact us at info@tapiotechnologies.com to request a demo or quotation.

Tapio RQP Live allows you to easily distinguish between good and bad rolls to prevent runnability problems in further processing. The device produces an instant high resolution hardness profile, showing the measured roll hardness as a function of distance. The measurement is based on measuring the deceleration of an impact hammer hitting the sample over 30 times per second.

In addition to the hardness profile, the device displays statistical KPI values of the measured roll, allowing for quick and efficient jugdement of the roll quality with a convenient alert limits feature. The device is provided with Tapio RollView, an easy-to-use software for further processing of the measured data on a computer system.

Paper or board rolls, plastic film rolls and rolls of any other material are suitable applications for the Tapio RQP Live. 

Tapio RollView software

The data from Tapio RQP Live can be synchronized to a computer with the free and open source Tapio RollView software available for download and install at https://github.com/Tapio-Measurement-Technologies/tapio-rollview

Tapio RQP Live

Roll Hardness Profiler

Easily detect common roll faults and defective rolls based on high-resolution hardness profile measurement.

Advantages of Tapio RQP Live
  • Instant live view of measured hardness during measurement
  • Display of hardness profile and statistics immediately after end of measurement
  • Configurable limits and visualization to make an immediate decision on accepting or rejecting a roll
  • Wireless connectivity for data transfer, open-source PC software with support for postprocessors to transfer files into other systems
  • Accurate and repeatable measurement
  • Factory calibrated, consistent measurements between different units
  • Alert limits feature to help distinguish between pass/fail rolls
  • Light construction
  • Competitive pricing
  • Maintenance and service available from Tapio Measurement Technologies
Suitable applications for Tapio RQP Live
  • Paper rolls
  • Plastic rolls
  • Customer rolls
  • Machine rolls
  • Parent reels
  • Roll ends
Additional material:

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Email: info@tapiotechnologies.com

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