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Digital Wrist Blood Pressure Monitor

A classic wrist blood pressure monitor with the benefits of speed and accuracy at the touch of a button.

This product has been discontinued and replaced by the Essential Wrist Blood Pressure Monitor.

SKU: UB-521CN Category:

This product has been discontinued.


Track your Measurements

  • Easy one button operation for quick and accurate measurement
  • Stores 90 measurements in memory with recall, including average of all measurements

Trusted Accuracy

  • Clinically validated for accuracy
  • Indicates an Irregular Heartbeat (IHB) during a measurement
  • Pressure Rating Indicator classifies blood pressure in accordance with medically approved standards

User Comfort

  • Easy to use wrist cuff, fits 13.4-21.6 cm (5.3-8.5”) wrists
  • Gentle inflation enables a more comfortable measurement


  • Compact size for storage and travel
  • Carrying case included
The LifeSource by A&D Medical Promise
  • 5 year warranty
  • Cuffs not made with natural rubber latex
  • Battery life indicator
Remember: It is important for you and your healthcare provider to have a history of your blood pressure. Keep track of your BP with a paper logbook (download our template here) or save them electronically in the A&D Connect app, where you can enter your measurements manually or automatically with a bluetooth connected device.



Additional information

Product Type

Wrist Blood Pressure Monitor



Monitor Features

Averages Readings, Batteries Included, Carrying Case, Irregular Heartbeat Detection, Pressure Rating Indicator

Monitor Type



5 Years

Model (SKU)


In the Box

1 wrist blood pressure monitor
1 case
2 AA batteries
1 instruction manual
1 bilingual quick start guide


Measurement Accuracy ±3 mmHg or 2%, whichever is greater; Pulse: ±5%
Clinical Test American National Standards Institute (ANSI/AAMI SP10)
Cuff Size 5.3 – 8.5” (13.5 – 21.5 cm)
Unit Dimensions (WxDxH, inches) 2.4″ (w) x 1.2″ (d) x 2.6″ (h)
Weight (Lbs) 3.2 oz. (89 g) without batteries
Memory 90
Measurement Range
     Pressure 20 mmHg to 280mmHg
     Systolic Pressure 20 mmHg to 280mmHg
     Diastolic Pressure 20 mmHg to 280mmHg
     Pulse 40 – 180 beats / minute
Power Supply Two type AAA alkaline batteries (1.5 volt)
Number of Measurements (battery) Approx. 400 measurements


Instruction Manual (UB-521CN)

Instruction Manual, French (UB-521CN)

Blood Pressure Logbook

Monitor Comparison Guide



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