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A&D Medical LifeSource UB-512

*Est. $60
May 2012
by ConsumerSearch
A&D Medical LifeSource UB-512

  • More accurate than other wrist monitors
  • Compact
  • Lifetime warranty
  • Less accurate than upper-arm models
  • Positioning can be tricky

The A&D Medical LifeSource UB-512 wrist blood pressure monitor receives a decent accuracy score in independent testing, although two other wrist models top it, including the best-reviewed Omron 7 Series BP652 wrist monitor (Est. $60) . It has a 60-entry memory that stores morning and evening readings, along with irregular heartbeat detection. It also has and the ability to automatically calculate the average of consecutive readings.

Owners say they like the UB-512's portability, one of the perks of using a wrist monitor that's smaller and lighter than a comparable upper-arm cuff. Most users say it reads true and works quickly, but some report that the monitor gives erratic results if it isn't positioned correctly. Others say they wish it had a few more features, such as time-stamp recording and a larger memory. If a feature-rich monitor is your priority, the upper-arm Omron 10 Series BP785 (Est. $80) costs a bit more but offers a wider range of features including a more expansive, time-stamped memory function.

The A&D Medical LifeSource UB-512 appears in a 2012 roundup of blood pressure monitors. is the largest source of user reviews, but reviews for two other models are mixed in, so read carefully. Additional user reviews are available at and

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Our Sources


The A&D Medical LifeSource UB-512 is one of 21 home blood pressure monitors tested by for its roundup. Each unit is evaluated for ease of use, comfort, accuracy and test time; the results are displayed in a handy comparison chart.

Review: Blood-Pressure Monitor Ratings, Editors of, Jan. 2012


One of three models featured on this page, the A&D Medical LifeSource UB-512 receives mostly high average scores from users. Some say it gives erratic readings, however.

Review: LifeSource Blood Pressure Monitor, Contributors to


About a dozen users weigh in on the A&D Medical LifeSource UB-512 at, giving it an overall rating of 4 stars out of 5. Although most give the unit good marks, a few users say it's inaccurate.

Review: LifeSource Dual Memory Wrist Blood Pressure Monitor UB-512, Contributors to


The A&D Medical LifeSource UB-512 receives a handful of reviews from users. All give it excellent overall ratings, though one owner wishes it recorded a time-stamp.

Review: LifeSource Advanced Memory Wrist UB-512 Blood Pressure Monitor, Contributors to

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