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HRV Technology | BioSign HRV Technology | BioSign

HRV Technology for Professionals and End-user

(currently only available in German)


Basic principles of the HRV and introduction to the HRV-Scanner software.



The Qiu is a biofeedback system developed by German doctors.

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Heart Rate Variability

A well functioning neurovegetative regulation is the key to health.

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You can order our products easily in our online shop.

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Numerous improvements such as a user-friendly graphical filter and new, meaningful reports in PDF format ensure fast and meaningful results. Innovative representations with defined standard values illustrate the results at a glance.