The technology used in the Citizen CH-452, to measure blood pressure, has passed in a validation study, in a general population, according to a recognised standard protocol, as published in a peer-reviewed publication.
It is recommended by the ESH for self-measurement.
Note: Provisional list; equivalence according to EU Regulation 2017/745 (e.g. MEDDEV 2.7/1 rev 4) not proven
Cotte UV, Faltenbacher VH, von Willich W, Bogner JR. Trial of validation of two devices for self-measurement of blood pressure according to the European Society of Hypertension International Protocol: the Citizen CH-432B and the Citizen CH-656C. Blood Press Monit. 2008 Feb;13(1):55-62. doi: 10.1097/MBP.0b013e3282cb599a. PMID: 18199925. Erratum in: Blood Press Monit. 2008 Aug;13(4):243.
ESH-IP:2002 - Pass General population