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Microlife BP B3 AFIB vs Rossmax X5

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

Better figure, where one is clearly better

MicrolifeBP B3 AFIBRossmaxX5
Overview
Released––
Measuring
TypeUpper armUpper arm
Clinically validatedYesYes
Irregular heartbeat detectionYesYes
AFib detection or ECGYesYes
MethodAutomatic oscillometric upper-arm measurement during deflation; first on-sale date not establishedAutomatic oscillometric upper-arm measurement during deflation for adults; maker manual gives a pressure range of 30–260 mmHg and pulse range of 40–199 beats/minute. First on-sale date not established
AccuracyMaker manual specifies static pressure accuracy within ±3 mmHg and pulse accuracy of ±5% of the readout value; this specification is distinct from clinical validationMaker specifies pressure accuracy within ±3 mmHg and pulse accuracy within ±5% of the reading; these specifications are separate from clinical validation
Clinical validationSTRIDE BP lists this exact model for home use in adults and people with diabetes, with a validated 22–42 cm cuff; its entry lists approved validation studies published in 2009, 2018 and 2021STRIDE BP lists X5 as equivalent to Rossmax CF175, whose adult validation study used ESH-IP 2010 and was published in 2015; approved equivalence is not a direct X5 validation study. Its listing also mentions Bluetooth, whereas this exact non-Bluetooth X5 maker page/manual uses an optional wired PC link
FeaturesAFIBsens atrial fibrillation indication is active only in MAM mode; separate irregular heartbeat indication, cuff fit check, movement error indication, traffic light classification scale and adjustable date/timePARR distinguishes pulse arrhythmia, atrial fibrillation and premature contractions; loose-cuff and body-movement indications, hypertension risk scale and guest mode. AFib indication is not an ECG recording; the manual notes that detection is limited and a pacemaker may impair it
Cuff
Cuff fits22–42 cm24–40 cm
CuffConical soft M–L cuff with removable washable cover; alternative cuff sizes are sold separatelyLatex-free Universal Cone Cuff with cuff holder; other sizes are available on request
Connections and memory
Users12
Readings stored9960 per user
Bluetooth and appNoNo
MemoryOne shared 99-reading memory and average of stored readings; oldest reading is overwritten when full60 readings per user, 120 total, with date and time; averages of the last three readings and morning/evening readings over the previous seven days. Guest readings are not stored; oldest stored reading is replaced when a user's memory is full
App–No Bluetooth; optional specially designed USB cable connects the data-link socket to Rossmax BP Manager PC software. Rossmax now states BP Manager PC software is discontinued and no longer available; the monitor remains usable independently
PowerFour 1.5 V AA alkaline batteries or optional DC 6 V, 600 mA mains adaptor; compatible with rechargeable batteriesFour AAA batteries, DC 6 V; optional DC 6 V adaptor rated at least 600 mA. Automatic shutdown one minute after the last key operation
Design
Display detailsLarge LCD showing systolic and diastolic pressure, pulse, date/time and stored-reading indicators69 × 78 mm LCD showing systolic and diastolic pressure, pulse, date/time, user memory, cuff and movement indicators
Size138 × 94.5 × 62.5 mm; maker weight 402 g including batteries96 × 139.7 × 63.2 mm (L × W × H); maker weight 248.6 g without batteries; IP21
In the boxConical soft 22–42 cm cuff, four AA alkaline batteries, textile storage bag and blood pressure diary, alongside the monitorMonitor, latex-free Universal Cone Cuff, batteries, instruction manual and zipper bag; adaptor and PC link are optional

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