The technology used in the Ela Agilis, 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 ABPM.
Mallion JJM, Pierre H, Neuder Y, Ormezzano O, Baguet JP. Validation of the AGILIS ambulatory blood pressure monitor according to the European Society of Hypertension International Protocol for validation of blood pressure measuring devices in adults. Blood Press Monit. 2005 Apr;10(2):97-101. PMID: 15812258.
ESH-IP:2002 - Pass General population