Beurer BM 25 vs Rossmax Z1

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BM 25 compared with Z1

	BeurerBM 25	RossmaxZ1
Overview
Released
Released	–	–
Measuring
Type
Type	Upper arm	Upper arm
Irregular heartbeat detection
Irregular heartbeat detection	Yes	Yes
AFib detection or ECG
AFib detection or ECG	–	No
Method
Method	Automatic oscillometric upper-arm measurement during deflation; first on-sale date not established	Automatic oscillometric upper-arm measurement during deflation, with semiconductor pressure sensor. First retail date unresolved
Accuracy
Accuracy	Maker 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 validation	Pressure range 30–260 mmHg and pulse 40–199 bpm. Maker accuracy ±3 mmHg pressure and ±5% pulse
Clinical validation
Clinical validation	Beurer states clinical testing to ISO 81060-2 in the manual; exact independent registry confirmation was not established	Maker claims ESH approval. Medaval records equivalence to Rossmax CF175f rather than a published direct Z1 validation study, and notes unpublished equivalence evidence; headline validation omitted
Features
Features	Single start/stop button, cuff fit check, irregular heartbeat warning, classification scale and automatic switch-off; maker lists no resting indicator or calculated averages	Cuff-fit and movement detection, hypertension risk indication and generic irregular-heartbeat warning. No AFib-specific screening or ECG
Cuff
Cuff fits
Cuff fits	22–42 cm	24–40 cm
Cuff
Cuff	Supplied upper-arm cuff	Latex-free Universal Cone Cuff, 24–40 cm
Connections and memory
Users
Users	–	1
Readings stored
Readings stored	–	90
Bluetooth and app
Bluetooth and app	No	No
Memory
Memory	–	One history of up to 90 readings with sequence numbers and an average of the last three. No user selector or dated reading history in current guide
App
App	Scan & Save in beurer HealthManager Pro uses a smartphone camera to record the display; no Bluetooth connection	No Bluetooth or data transfer; USB-C is a power connector
Power
Power	Four 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 batteries	Four AAA cells, DC 6 V. Optional USB-C DC 5 V supply rated at least 1000 mA; guide excludes USB PD chargers and battery charging. Automatic shutdown after one minute without key operation
Design
Display details
Display details	Non-illuminated LCD, 4.4 × 5.3 cm, with black digits; maker lists no date/time display	69 × 64.4 mm LCD in maker page. IP21
Size
Size	12.00 × 9.00 × 4.00 cm (L × W × H)	100 × 86 × 68 mm (L × W × H); 218 g without batteries
In the box
In the box	Monitor, 22–42 cm cuff and four AAA batteries	Maker lists batteries, Universal Cone Cuff, instruction manual and string bag. Power adaptor and USB cable optional