Photo 1 of 3

Microlife BP A3 Plus · Photo source

Microlife BP A3 Plus
Photo 1 of 3

Microlife BP A3 Plus · Photo source

Microlife · BP

BP A3 Plus

Release date not published

An upper-arm monitor with a 22–42 cm cuff, two users with 99 readings each and automatic triple-measurement analysis.

Type
Upper arm
Users
2
App
No
Validated
–

Measuring

Type
Upper arm
Irregular heartbeat detection
Yes
AFib detection or ECG
No
Method
Oscillometric upper-arm measurement during deflation with Gentle+ pressure control. Side switch selects single measurement or MAM mode; three readings with 15-second pauses produce one analysed result. Individual MAM results are not displayed; a fourth is taken if one is questionable. First actual on-sale date unresolved
Accuracy
Current 26 June 2025 UK-linked S-V10-1 guide gives systolic 60–255 mmHg, diastolic 40–200 mmHg, pulse 40–199 bpm, static accuracy ±3 mmHg and pulse accuracy ±5%. UK product page instead gives blood pressure 20–280 mmHg and pulse 40–200; global support also gives pulse 40–200. Range differences retained; cuff-pressure display 0–299 mmHg is separate
Clinical validation
Maker claims BIHS A/A and shared measurement technology with BP 3BTO-A, but Medaval reports no peer-reviewed validation evidence for exact BP A3 Plus BP 3GX1-5N. Independent exact-model validation remains unresolved, so headline flag is omitted. A3 PC diabetes study is not transferred to this non-PC model
Features
Irregular-heartbeat indication, not a dedicated AFib algorithm or ECG. Cuff-fit and arm-movement indicators, coloured classification scale, low-battery warning and automatic switch-off after approximately one minute

Cuff

Cuff fits
22–42 cm
Cuff
UK bundle supplies conical soft M-L 22–42 cm cuff. Current guide lists optional S 17–22, M 22–32, L 32–42 and L-XL 32–52 cm sizes and preformed cuffs; these are not all supplied

Connections and memory

Users
2
Readings stored
99 per user
Bluetooth and app
No
Memory
Two separate histories of 99 dated readings each, selected with user switch. First memory recall displays average of all stored values (current guide labels this 28A without defining a narrower period). Oldest overwritten when full. All stored readings for selected user can be cleared, but not individual stored values; freshly displayed reading can be excluded. History survives battery replacement while clock requires reset
App
No Bluetooth, phone app or USB PC-transfer interface in exact guide and current hardware views. Separate A3 PC model has USB; its software support is not transferred
Power
Four 1.5 V AA alkaline cells; approximately 920 measurements with new batteries, without a separate triple-cycle count. Optional Microlife DC 6 V, 600 mA adapter stops battery-current use when connected. NiMH cells supported with external charging

Design

Display details
LCD with date/time and user indicator, ON/OFF, memory and time buttons, separate user and 1/3 MAM switches. DC adapter socket. IP20
Size
143 × 85 × 58 mm; 368 g including batteries in exact current guide and maker pages
In the box
UK maker lists conical soft M-L 22–42 cm cuff, four AA alkaline cells, textile soft bag and blood-pressure diary. Adapter optional. Current guide's isolated wrist-measurement paragraph conflicts with its upper-arm intended use and cuff table and is not copied as device type

Pros and cons

Pros

  • Separate memories for two users
  • Automatic three-measurement mode
  • Supplied 22–42 cm cuff

Cons

  • No Bluetooth or PC transfer
  • Irregular-heartbeat indicator is not AFib-specific screening

Closest rivals

Model
TypeUsersAppValidatedReleased
Upper arm–No––
Upper arm–No––
Upper arm–No––

Sources

  1. microlife.uk.com/consumer-products/blood-pressure/upper-arm-automatic/bp-a3-plus
  2. microlife.com/support/blood-pressure/bp-a3-plus
  3. microlife.uk.com/media/1138/download/IB%20BP%20A3%20Plus%20S-V10-1%203025.pdf
  4. medaval.ie/resources/EN/devices/Microlife-BP-A3-Plus-BP-3GX1-5N.html

Photo: microlife.uk.com

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