A&D Medical UA-611 vs Microlife BP B3 Comfort PC

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

Better figure, where one is clearly better

UA-611 compared with BP B3 Comfort PC
A&D MedicalUA-611MicrolifeBP B3 Comfort PC
Overview
Released––
Measuring
TypeUpper armUpper arm
Clinically validated–Yes
Irregular heartbeat detectionYesYes
MethodAutomatic oscillometric measurement with fuzzy-logic-controlled inflation; designed for adult home use; first on-sale date not establishedAutomatic oscillometric upper-arm measurement during inflation; 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 manual specifies static pressure accuracy within ±3 mmHg and pulse accuracy of ±5% of the readout value; distinct from clinical validation
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the UK BIHS recommendation as manufacturer-declared equivalence to the UA-651 and says the equivalence study is unpublished.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 configurationExact BP3KT1-4X (BP B3 Comfort PC) is a STRIDE BP preferred home monitor for adults, with a validated 22–42 cm cuff and a 2025 study using ISO 81060-2:2018; older maker documentation cites ISO 81060-2:2013
FeaturesIrregular heartbeat indicator, pressure progress bar, WHO classification indicator, stored-reading average and automatic power-off; irregular heartbeat indication is not a specific AFib diagnosisComfort+ inflation measurement, MAM three-measurement average, irregular heartbeat indication, cuff fit and movement checks, classification scale and date/time
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 cuffPremium soft M–L cuff with washable cover
Connections and memory
Users–2
Readings stored3099 per user (better)
Bluetooth and appNoNo
MemoryLast 30 blood pressure and pulse measurements, with stored-reading average; no separate user memories listed99 readings per user and average of all stored readings; oldest reading overwritten when full
AppNo Bluetooth; readings can be recorded manuallyMicro-USB cable transfers stored readings to Microlife Blood Pressure Analyzer+ computer software; no smartphone Bluetooth connection
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 1.5 V AA alkaline batteries or optional DC 6 V, 600 mA adaptor; NiMH batteries supported but must be charged externally
Design
Display detailsSystolic pressure, diastolic pressure and pulse shown with battery, irregular heartbeat and pressure/classification indicatorsLCD showing pressure, pulse, user, date/time and MAM indicators
SizeApproximately 96 × 68 × 130 mm (width × height × depth); approximately 230 g excluding batteries138 × 94.5 × 62.5 mm; maker weight 402 g including batteries
In the boxUA-611 monitor, 22–32 cm SlimFit cuff, instruction manual and four AA batteries in the UK packMonitor, premium soft 22–42 cm cuff, USB cable and software download voucher, four AA alkaline batteries, textile storage bag and blood pressure diary

More comparisons