A&D Medical LifeSource UB-512 — AM/PM Memory Wrist Blood Pressure Monitor Manual

Complete instruction guide for the LifeSource (A&D Medical) UB-512 AM/PM Memory Wrist Blood Pressure Monitor — setup, taking a measurement, memory functions, blood pressure reference tables, troubleshooting, and specifications.

Important Safety Information

• Only a medical practitioner is qualified to interpret your blood pressure measurements. Use of this device should not replace regular medical examinations.
• Have your physician review your procedure for using this device before prescribing or adjusting medications.
• Consult your physician if you have any doubt about your readings; contact A&D Medical for mechanical problems.
• Always use the correct cuff size and follow instructions to ensure accurate results.
• Do not attempt to service, calibrate, or repair this monitor.
• Avoid exposing the monitor to temperature/humidity extremes, direct sunlight, shock, or dust. Accuracy is only guaranteed within the specified operating/storage ranges.
• Clean with a dry, soft cloth or one dampened with water and mild detergent only — never alcohol, benzene, thinner, or harsh chemicals.
• Remove and replace batteries if the monitor is unused for more than six months. Alkaline batteries recommended; rechargeable batteries will not work.
• Designed for home use by those 18 years and older, to monitor systolic/diastolic pressure and pulse rate.

Before You Start

The UB-512 provides accurate readings on wrists with a circumference between 5.3" and 8.5" (13.5–21.5 cm). It requires two "AAA" (1.5V) batteries (included).

1. Slide the battery cover to remove it from the device.
2. Insert batteries matching positive (+) and negative (-) terminals.
3. Slide the battery cover back on.

Taking Your Blood Pressure

Normal Measurement (AM or PM Memory)

Press the AM START or PM START button depending on time of day. The reading is stored into the appropriate memory (up to 30 readings per button).

Recalling Previous Measurements

Press and hold the AM START or PM START button; release after the first recalled reading appears. Measurements display from most recent to oldest.

Clearing Memory

Remove batteries to clear both AM and PM memory. Reinsert batteries to resume.

Guest Mode (No Memory Storage)

Press both AM START and PM START buttons simultaneously. A reading is taken but not stored — useful when other people's readings would skew your average.

Tips Before Measuring

• Relax for about 5 minutes beforehand.
• Avoid smoking or caffeine for at least 30 minutes prior.
• Remove constricting clothing; place cuff on bare wrist.
• Use left arm unless your physician recommends otherwise.
• Do not talk, cross legs, or move during measurement; keep feet flat on the floor.

Measurement Steps

1. Sit comfortably near a flat surface.
2. With palm facing up, attach the monitor to the inside of your left wrist; the top edge of the cuff should align with the wrist crease.
3. Position your wrist level with your heart (use an armrest if needed) — critical for accuracy.
4. Use AM START for morning readings, PM START for afternoon/evening readings.
5. Press the appropriate START button. The average reading and stored-measurement count display (e.g., "A25" = 25 stored measurements) as the cuff inflates.
6. The heart symbol flashes with each detected pulse while the cuff inflates and measures.
7. When complete, systolic, diastolic, and pulse readings display; the cuff automatically deflates.
8. Press either START button to power off, or wait — the unit auto powers-down one minute after measurement.

Note: To stop inflation at any time, press either START button. Poor circulation (e.g., cold hands/wrists in winter) may prevent an accurate reading.

Irregular Heartbeat

An irregular heartbeat symbol appears if a heartbeat varies by 25% or more from the average of all heartbeat intervals during measurement. Relax, remain still, and avoid talking during measurement. Contact your physician if this symbol appears frequently.

Cuff Inflation Meter & Average Reading

The Cuff Inflation Meter (left side of display) shows inflation progress; it starts inflating slowly at 20mmHg. The Average Reading feature displays your average blood pressure based on all readings stored in memory, shown briefly during measurement and when recalling memory.

Pressure Rating Indicator™

Provides a quick visual classification of your blood pressure reading based on the JNC7 Classification (Seventh Report of the Joint National Committee on Prevention, Evaluation and Treatment of High Blood Pressure, National Heart, Lung and Blood Institute — May 2003). It is approximate; other risk factors (diabetes, obesity, smoking) also affect blood pressure. Consult your physician for interpretation. Residents outside the U.S. (Canada, Mexico) should use the WHO Classification Table below.

Blood Pressure Classification Tables

JNC7 Classification (U.S. adults)

WHO Classification (Canada, Mexico, other non-U.S. adults)

About Blood Pressure & Hypertension

Blood pressure is affected by age, weight, time of day, activity, climate, altitude, season, caffeine/alcohol, medications, emotional stress, and tight clothing. Walking can raise systolic pressure ~12 mmHg and diastolic ~5.5 mmHg; sleeping can lower systolic pressure by up to 10 mmHg. Hypertension (consistently elevated readings) is often called a "silent killer" since it may not produce symptoms, but is treatable when caught early — the American Heart Association recommends not smoking, reducing salt/fat intake, maintaining proper weight, exercising routinely, and getting regular physical checkups.

Why home readings differ from clinical readings: office/hospital readings can be elevated due to anxiety ("white coat hypertension"). Cuff size also affects readings — a cuff too large reads low, too small reads high. For the most useful history, establish a consistent two-week "baseline measurement" routine (same time, position, chair, cuff) and record readings as systolic/diastolic (e.g., 120/80) with pulse noted as "P 72".

Troubleshooting

If these steps do not solve the problem, call 1-888-726-9966 (Canada: 1-800-461-0991). Do not attempt to repair the device yourself.

Specifications

• Model: UB-512
• Type: Oscillometric
• Display: Digital, 10/7mm character height, simultaneous pressure/pulse
• Memory: 60 readings (30 AM + 30 PM)
• Measurement range: Pressure 20–280 mmHg; Pulse 40–180 pulses/minute
• Accuracy: Pressure ±3 mmHg or ±2% (whichever greater); Pulse ±5%
• Pressurization/Depressurization: Automatic micropump / constant air release-valve
• Power source: 2x AAA (1.5V) batteries (included)
• Battery life: ~400 measurements
• Operating environment: 50°F–104°F (10°C–40°C), <95% RH
• Storage environment: 14°F–140°F (-10°C–60°C), <95% RH
• Wrist circumference range: 5.3"–8.5" (13.5–21.5 cm)
• Dimensions: Depth 0.8", Width 2.5", Height 2.2"
• Weight: 2.9 oz (82g) without batteries

Warranty & Support

This LifeSource blood pressure product is covered by a Lifetime Warranty (see warranty card for details; register at www.LifeSourceOnline.com). For support, contact A&D Medical's LifeSource Health Line at 1-888-726-9966 (U.S.) or Auto Control Medical at 1-800-461-0991 (Canada).