SunTech Oscar 2

Description:

The SunTech Oscar 2 is an ambulatory blood pressure monitor. Its blood pressure measurement technology has been proven to be accurate, with a 1-star Medaval rating. Blood pressure measurements are taken from the upper arm. It is intended for ambulatory blood pressure monitoring. This device has been discontinued by the manufacturer but may be available through certain outlets.

Assessment:

The technology used in the SunTech Oscar 2, to measure blood pressure, has passed in two clinical validation studies, in general populations, according to recognised standard protocols, as published in peer-reviewed publications.

Recommendations:

	Accuracy Assessment	Recommendation	Basis
BP	Medaval	★ Recommendation	Older clinical validation; older protocol; multiple clinical validations
BP	BIHS (UK and IRL)	ABPM	Published evidence
BP	ESH (Europe)	ABPM	Published evidence
BP	Stride BP	ABPM for adults (Unavailable)	Published evidence

Device Family:

Riester ri-cardioB, SunTech Oscar 2B, Welch Allyn ABPM 6100B
Legend: B BIHS Derivative

Validation Publications:

Jones SC, Bilous M, Winship S, Finn P, Goodwin J. Validation of the OSCAR 2 oscillometric 24-hour ambulatory blood pressure monitor according to the International Protocol for the validation of blood pressure measuring devices. Blood Press Monit. 2004 Aug;9(4):219-23. PMID: 15311149.

ESH-IP:2002 - Pass General population

Goodwin J, Bilous M, Winship S, Finn P, Jones SC. Validation of the Oscar 2 oscillometric 24-h ambulatory blood pressure monitor according to the British Hypertension Society protocol. Blood Press Monit. 2007 Apr;12(2):113-7. PMID: 17353655.

ESH-IP:2002 - Pass General population

Relevant Publications:

Seoane-Casqueiro Ó, Vázquez-Agra N, Cruces-Sande A, López-Prado E, López-Paz JE, Camafort M, Casariego-Vales E, Hermida-Ameijeiras Á, Pose-Reino A. Clinical reliability of a wrist-worn oscillometric ambulatory blood pressure monitor: an independent agreement evaluation. Rev Clin Esp (Barc). Epub: 2026 Mar 23:502523 p. doi: 10.1016/j.rceng.2026.502523. PMID: 41881377.

The publication describes the SunTech Oscar 2 being used as a reference device for comparison with the Huawei Watch D2 (LCA-B11).