Beurer BM 58 vs Beurer BM 85

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BM 58 compared with BM 85

	BeurerBM 58	BeurerBM 85
Overview
Released
Released	–	2014
Measuring
Type
Type	Upper arm	Upper arm
Irregular heartbeat detection
Irregular heartbeat detection	Yes	Yes
AFib detection or ECG
AFib detection or ECG	No	No
Method
Method	Automatic oscillometric upper-arm measurement during deflation; exact UK item 65516. First-sale date unconfirmed. Generic inflation icon on the web page conflicts with its technical table and exact manual operation	Automatic oscillometric upper-arm measurement during inflation; exact UK item 65803. July 2014 retail test establishes the sale year; first-sale month unconfirmed
Accuracy
Accuracy	Maker display accuracy ±3 mmHg for systolic and diastolic pressure and ±5% for pulse; systolic range 60–260 mmHg, diastolic 40–199 mmHg and pulse 40–180 beats/minute. Cuff-pressure range 0–300 mmHg is separate	Maker display accuracy ±3 mmHg for systolic and diastolic pressure and ±5% for pulse; systolic range 60–260 mmHg, diastolic 40–199 mmHg and pulse 40–180 beats/minute. Cuff-pressure range 0–300 mmHg is separate
Clinical validation
Clinical validation	Maker datasheet claims ESH clinical validation and 2014/2015 recognition. Medaval lists ESH self-measurement recommendation and DHL manufacturer-declared equivalence, but says exact-device equivalence has not been established to MDR requirements. Independently verified exact-device standard-protocol validation remains unresolved; headline flag omitted	Maker datasheet claims technical identity with BP3ESH5 and ESH validation. Medaval records a specific-population study using a non-standard protocol and unpublished internal DHL data; independent standard-protocol exact-device validation not established, so headline flag omitted
Features
Features	Irregular-heartbeat warning, coloured classification scale, touch-sensor controls, activation/lock switch and cuff holder. No ECG, dedicated AFib detection or haemodynamic resting indicator; current UK table says no electronic cuff-fit check despite a generic feature icon	Irregular-heartbeat warning, coloured LED classification scale, HSD haemodynamic resting indicator and cuff holder. No ECG or dedicated AFib screening; current UK table says no electronic cuff-fit check
Cuff
Cuff fits
Cuff fits	22–30 cm	22–42 cm
Cuff
Cuff	Supplied upper-arm cuff for 22–30 cm circumference. Separate XL cuff 30–42 cm, maker item 163246; it is an optional accessory rather than the standard headline fit	Current maker manual and UK bundle specify 22–42 cm circumference. Technik zu Hause's 2014 tested bundle supplied a 22–36 cm cuff with a separate optional 35–44 cm cuff; current supplied cuff is not inferred from the old review
Connections and memory
Users
Users	2	2
Readings stored
Readings stored	60 per user	60 per user
Bluetooth and app
Bluetooth and app	No	Yes
Memory
Memory	Two users with 60 dated readings each; oldest overwritten when full. Averages of all stored readings and morning/evening readings over the latest seven days. Holding MEM clears all readings in the selected user memory	Two users with 60 dated readings each; oldest overwritten when full. Averages of all stored readings and morning/evening readings over the latest seven days. Deletion clears the entire selected user memory; individual readings cannot be deleted
App
App	USB transfer to beurer HealthManager PC software or HealthManager Pro USB uploader, with later app/web viewing. No Bluetooth radio; Scan & Save uses a smartphone camera to read the display rather than wireless transfer from the monitor	Bluetooth Low Energy transfer to beurer HealthManager Pro; USB transfer uses the HealthManager Pro USB uploader and permits app/web viewing. Current manual states compatibility with Bluetooth 4.0 smartphones/tablets; the 2021 datasheet lists Bluetooth 5.0 among supported-device requirements, not an exact monitor radio version
Power
Power	Four 1.5 V LR6 AA alkaline batteries included. Manual claims approximately 500 measurements depending on blood pressure and inflation pressure, while current web table says approximately 250. Optional 6 V DC / 600 mA mains part sold separately; battery and mains are alternative power sources	Built-in 3.7 V / 400 mAh lithium-ion battery; approximately 50 measurements per charge depending on blood pressure and pump pressure. USB charging from PC or supplied USB mains part; minimum two-hour recharge instruction when depleted. This is rechargeable battery operation, despite the web table's mains-operated label
Design
Display details
Display details	Illuminated black LCD with white digits; maker 8.1 × 12.2 cm. Touch-sensor controls and separate rear activation switch, date/time and battery indicator. IPX0 according to manual	Illuminated LCD with black digits, maker 7.0 × 6.5 cm; illuminated sensor touch controls, date/time and battery level. IPX0 according to manual
Size
Size	Manual and datasheet 100 × 150 × 58 mm (L × W × H), approximately 508 g with cuff and without batteries. Web table's 680 g excluding packaging lacks the same weighing conditions	Manual 180 × 99 × 40 mm (L × W × H), approximately 456 g with cuff. Datasheet also gives 456 g but says without batteries despite the built-in cell. Web table gives 51 mm height and 638 g excluding packaging without comparable conditions; retained as source differences
In the box
In the box	Monitor, 22–30 cm cuff, USB cable, four AA batteries, storage bag and instructions. UK product page additionally lists a blood pressure record; mains part and XL cuff are separate accessories	Monitor, cuff, cuff holder, USB cable, USB mains part and storage pouch; instructions and quick-start guide available from maker. Regional supplied plug differs; current UK table identifies Euro plug