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A&D Medical UA-611 vs Omron M3 Comfort

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

Better figure, where one is clearly better

A&D MedicalUA-611OmronM3 Comfort
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-7155-E, distinct from M3 HEM-7154-E and M3 Comfort AFib HEM-7196-FLE. First on-sale date not established
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's 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the UK BIHS recommendation as manufacturer-declared equivalence to the UA-651 and says the equivalence study is unpublished.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 adults, diabetes and pregnancy/preeclampsia through approved equivalence to BP760N HEM-7320-Z, rather than three published exact-model trials. Medaval separately notes that the equivalence assessment is unpublished and its MDR compliance cannot be verified; rhythm indicators do not establish diagnostic accuracy
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, movement, cuff-wrap and high-blood-pressure indicators. Manual supports an average of the latest two or three readings within ten minutes, despite web-table averaging and high-pressure indicators being marked absent. No automatic consecutive three-reading mode, AFib screening or ECG recording
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-FL31 Intelli Wrap cuff, 22–42 cm arm circumference; approximately 145 × 532 mm, 750 mm tube and 163 g
Connections and memory
Users–2
Readings stored3060 per user
Bluetooth and appNoNo
MemoryLast 30 blood pressure and pulse measurements, with stored-reading average; no separate user memories listedUp to 60 readings per user for two users; guest measurements are not saved
AppNo Bluetooth; readings can be recorded manuallyNo Bluetooth or OMRON connect support
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 included, DC 6 V / 4 W; optional AC adapter sold separately. Approximately 1000 measurements using new alkaline batteries
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 105 × 85 × 152 mm (W × H × L); 337 g without batteries in the 2022 manual, versus 340 g on the web page and older manual
In the boxUA-611 monitor, 22–32 cm SlimFit cuff, instruction manual and four AA batteries in the UK packMonitor, HEM-FL31 cuff, four AA batteries, storage case and instruction manuals 1/2

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