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A&D Medical UA-611 vs Omron M2+ (HEM-7146-E)

Every spec side by side, from each maker's published figures.

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A&D MedicalUA-611OmronM2+ (HEM-7146-E)
Overview
Released––
Measuring
TypeUpper armUpper arm
Clinically validated–Yes
Irregular heartbeat detectionYesYes
AFib detection or ECG–No
MethodAutomatic oscillometric measurement with fuzzy-logic-controlled inflation; designed for adult home use; first on-sale date not establishedAutomatic oscillometric upper-arm measurement; HEM-7146-E, distinct from HEM-7188-LE. First retail sale date unresolved; manual publication dates are not substituted
AccuracyMaker specification ±3 mmHg pressure and ±5% pulse; pressure range 0–299 mmHg, systolic 60–279 mmHg, diastolic 40–200 mmHg and pulse 40–180 beats/minMaker pressure accuracy ±3 mmHg and pulse accuracy ±5% of displayed reading; systolic range 60–260 mmHg, diastolic 40–215 mmHg and pulse 40–180 beats/minute
Clinical validationA&D UK claims ESH 2010 validation; Medaval identifies the UK BIHS recommendation as manufacturer-declared equivalence to the UA-651 and says the equivalence study is unpublished. The US Validate BP listing covers UA-611 under ANSI/AAMI/ISO 81060-2:2018 with different cuff options; this does not establish direct validation of the supplied UK cuff configurationSTRIDE BP lists this exact model for adult home use by approved equivalence to Omron HEM-9200T; this is not a separately published exact-model validation trial. Maker manual cites an 85-subject EN ISO 81060-2:2014 investigation, excluding pregnant and pre-eclamptic patients and compliance with 2019+A1:2020. Blood pressure approval does not establish diagnostic accuracy of rhythm indicators; Medaval does not independently endorse the unpublished equivalence evidence under MDR requirements
FeaturesIrregular heartbeat indicator, pressure progress bar, WHO classification indicator, stored-reading average and automatic power-off; irregular heartbeat indication is not a specific AFib diagnosisIrregular-heartbeat, body-movement, cuff-wrap and high-blood-pressure indicators. No AFib screening, ECG recording or automatic averaging. The maker web page's generic BPM & ECG category label is not an ECG capability
Cuff
Cuff fits22–32 cm22–42 cm
CuffSupplied latex-free and metal-free SlimFit cuff fits 22–32 cm; optional large cuff fits 31–45 cm, sold separately; UK manual says this model is not designed for a small cuffIncluded HEM-RML31 soft cuff fits 22–42 cm arms; approximately 145 × 594 mm, 750 mm air tube and 170 g. Other compatible cuffs are optional, rather than part of the included cuff range
Connections and memory
Users–1
Readings stored3030
Bluetooth and appNoNo
MemoryLast 30 blood pressure and pulse measurements, with stored-reading average; no separate user memories listedOne user, up to 30 readings; replacing batteries preserves stored readings
AppNo Bluetooth; readings can be recorded manuallyNo Bluetooth or OMRON connect transfer
PowerFour AA 1.5 V batteries; maker claims approximately 700 measurements with LR6 alkaline batteries or 200 with R6P manganese batteries at 180 mmHg and 23°C. UA-611 has no DC socket; the optional adapter in the shared manual applies only to UA-651Four AA batteries or optional compatible AC adapter; DC 6 V, 4 W. Approximately 500 measurements with new alkaline batteries and the included cuff, depending on batteries and cuff
Design
Display detailsSystolic pressure, diastolic pressure and pulse shown with battery, irregular heartbeat and pressure/classification indicatorsDigital LCD; monitor IP20
SizeApproximately 96 × 68 × 130 mm (width × height × depth); approximately 230 g excluding batteriesApproximately 103 × 82 × 140 mm (W × H × L), 250 g without batteries, from the exact HEM-7146-E manual
In the boxUA-611 monitor, 22–32 cm SlimFit cuff, instruction manual and four AA batteries in the UK packMonitor, HEM-RML31 cuff, four AA batteries, storage case and instruction manuals 1/2

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