The primary goal of the study is to compare different methods for pulse wave measurement and analysis which are cuffless and contactless. The novel measurement tools will be compared to cuff-based reference methods.

Inclusion Criteria:

• older than 18 years
• male or female sex
• signed informed consent.

Exclusion Criteria:

• acute sickness which influences hemodynamic parameters
• arm circumference is below or above the limits for the blood pressure of the reference method (i.e. below 20 or above 40 cm)

general population