The technology used in the A&D TM-2656, 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.
Zeng WF, Liu M, Kang YY, Li Y, Wang JG. Validation of the fully automated A&D TM-2656 blood pressure monitor according to the British Hypertension Society Protocol. Blood Press Monit. 2013 Aug;18(4):223-6. doi: 10.1097/MBP.0b013e3283624abd. PMID: 23681206.
BHS:1993 - Pass (A/A) General population