Beurer BM 25 vs Rossmax CH155f

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BM 25 compared with CH155f
BeurerBM 25RossmaxCH155f
Overview
Released––
Measuring
TypeUpper armUpper arm
Irregular heartbeat detectionYesYes
AFib detection or ECG–No
MethodAutomatic oscillometric upper-arm measurement during deflation; first on-sale date not establishedAutomatic oscillometric upper-arm measurement during deflation, with semiconductor pressure sensor. Intended for adult home use; first-sale date unresolved
AccuracyMaker manual specifies display accuracy of ±3 mmHg for systolic and diastolic pressure and ±5% of the displayed pulse value; this specification is distinct from clinical validationPressure 30–260 mmHg; pulse 40–199 bpm. Maker accuracy ±3 mmHg pressure and ±5% pulse
Clinical validationBeurer states clinical testing to ISO 81060-2 in the manual; exact independent registry confirmation was not establishedMaker claims ESH validation and AAMI/ANSI/ISO 81060-2 conformity. Exact current hardware revision and independent clinical-study identity unresolved, so headline validation omitted
FeaturesSingle start/stop button, cuff fit check, irregular heartbeat warning, classification scale and automatic switch-off; maker lists no resting indicator or calculated averagesGeneric irregular-heartbeat, movement and hypertension indicators; one-touch automatic operation. No AFib-specific screening, ECG or speech guidance documented
Cuff
Cuff fits22–42 cm24–40 cm
CuffSupplied upper-arm cuffLatex-free Universal Cone Cuff, 24–40 cm; flyer says other cuff sizes available upon request but does not specify their ranges
Connections and memory
Users–1
Readings stored–90
Bluetooth and appNoNo
Memory–Single 90-reading history with latest-three average and sequence numbers; no separate user histories, guest mode or clock documented
AppScan & Save in beurer HealthManager Pro uses a smartphone camera to record the display; no Bluetooth connectionNo Bluetooth or phone-app transfer documented
PowerFour 1.5 V LR03 AAA batteries or optional DC 5 V, 1 A mains adaptor through USB-C; USB-C is for mains operation, not charging the disposable batteriesFour AAA cells, DC 6 V; automatic shutdown after one minute without key operation. Exact model guide has no AC-power specification and product page lists no adaptor socket
Design
Display detailsNon-illuminated LCD, 4.4 × 5.3 cm, with black digits; maker lists no date/time displayLCD with movement, irregular-heartbeat, memory, pressure, pulse and risk indicators; IP21
Size12.00 × 9.00 × 4.00 cm (L × W × H)124 × 85 × 68.6 mm (L × W × H); maker guide lists 330 g without batteries
In the boxMonitor, 22–42 cm cuff and four AAA batteriesMaker lists batteries, Universal Cone Cuff, instruction manual and string bag

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