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A&D Medical UA-611 vs Microlife BP AG1-40

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

Better figure, where one is clearly better

A&D MedicalUA-611MicrolifeBP AG1-40
Overview
Released––
Measuring
TypeUpper armUpper arm
Irregular heartbeat detectionYesNo
AFib detection or ECG–No
MethodAutomatic oscillometric measurement with fuzzy-logic-controlled inflation; designed for adult home use; first on-sale date not establishedFully manual auscultatory upper-arm measurement using the supplied stethoscope and aneroid gauge. Combined palm dial and pumping ball with adjustable deflation valve; no electronic calculation. Actual first retail date unresolved
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/minJanuary 2024 guide gives 0–300 mmHg range, 2 mmHg scale divisions, static accuracy within ±3 mmHg and air leakage under ±4 mmHg/min. Guide has conflicting maintenance wording, at least six-monthly recalibration versus two-year accuracy testing; follow the exact applicable service advice rather than treating these as one interval
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the UK BIHS recommendation as manufacturer-declared equivalence to the UA-651 and says the equivalence study is unpublished.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 configurationGuide cites EN ISO 81060-1 and ANSI/AAMI SP09. These standards do not establish independent clinical validation; exact independent validation unresolved and headline omitted
FeaturesIrregular heartbeat indicator, pressure progress bar, WHO classification indicator, stored-reading average and automatic power-off; irregular heartbeat indication is not a specific AFib diagnosisMechanical palm dial and hand pump with adjustable valve; supplied stethoscope used to hear Korotkoff sounds. No automatic pulse calculation, irregular-heartbeat screening, AFib detection or ECG
Cuff
Cuff fits22–32 cm25.4–40.6 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 cuffCurrent exact guide specifies supplied 25.4–40.6 cm cuff. Manufacturer product page describes a professional cuff without metal bar and rounds fit to 25–40 cm
Connections and memory
Readings stored30–
Bluetooth and appNoNo
MemoryLast 30 blood pressure and pulse measurements, with stored-reading average; no separate user memories listedNo electronic storage; readings and date/time recorded separately by the operator
AppNo Bluetooth; readings can be recorded manuallyNo Bluetooth, USB or phone app
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-651Mechanical operation without batteries or mains power
Design
Display detailsSystolic pressure, diastolic pressure and pulse shown with battery, irregular heartbeat and pressure/classification indicatorsAnalogue manometer with pointer; no LCD
SizeApproximately 96 × 68 × 130 mm (width × height × depth); approximately 230 g excluding batteriesGlobal product/support pages list 170 × 65 × 105 mm and 520 g. January 2024 exact guide instead lists 175 × 70 × 103 mm and 500 g; maker does not resolve the discrepancy or separate component weights
In the boxUA-611 monitor, 22–32 cm SlimFit cuff, instruction manual and four AA batteries in the UK packExact guide lists cuff, pump ball, valve, stethoscope and soft bag; manometer is identified in controls

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