M2 Basic (HEM-7121J-E)

Release date not published

An upper-arm blood pressure monitor with a 22–32 cm cuff, irregular-heartbeat indication and memory for the last reading.

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Type: Upper arm
Clinically validated: Yes
Irregular heartbeat detection: Yes
AFib detection or ECG: No
Method: Automatic oscillometric upper-arm measurement; exact HEM-7121J-E. First retail sale period unresolved; manual publication and warranty dates are not substituted
Accuracy: Maker pressure accuracy ±3 mmHg and pulse accuracy ±5% of displayed reading; blood-pressure range 20–280 mmHg, pulse 40–180 beats/minute and cuff pressure 0–299 mmHg
Clinical validation: STRIDE BP approves the exact model for adult home use by equivalence to HEM-7130, whose referenced study used ESH-IP 2010 and was published in 2015; this is not a separately published exact-model trial. Medaval separately says the equivalence results are unpublished and cannot be verified for its MDR assessment. Maker manual cites an 85-subject EN ISO 81060-2:2014 investigation and compliance with 2019+A1:2020, excluding pregnant and pre-eclamptic patients
Features: Irregular-heartbeat and cuff-wrap indicators; no body-movement, high-blood-pressure or averaging feature in the exact maker table. No AFib screening or ECG recording; generic BPM & ECG category wording does not establish an ECG feature

Cuff fits: 22–32 cm
Cuff: Included HEM-CR24 soft cuff fits 22–32 cm arms; approximately 145 × 466 mm with 610 mm air tube, 130 g. Optional compatible cuffs extend fit to 17–42 cm; this is not the included cuff range

Readings stored: 1
Bluetooth and app: No
Memory: Stores the last measurement only
App: No Bluetooth or OMRON connect transfer
Power: Four AA batteries or optional compatible AC adapter; DC 6 V, 4 W. Approximately 1,000 measurements with new alkaline batteries, under the maker's stated conditions

Display details: Digital LCD; monitor IP20. Optional adapter has its own IP21 or IP22 rating, which does not apply to the monitor
Size: Approximately 108 × 83 × 140 mm (W × H × L), 250 g without batteries, from the exact manual. UK and Dutch web tables instead list 112 × 140 × 82 mm; manual dimensions retained
In the box: Monitor, HEM-CR24 arm cuff, four AA batteries and instruction manuals 1/2. No storage case; optional mains adapter sold separately

Model	Type	Users	App	Validated	Released
A&D MedicalUA-611	Upper arm	–	No	–	–
BeurerBM 23	Upper arm	–	No	–	–
BeurerBM 25	Upper arm	–	No	–	–