A&D UB-328 Instruction manual

Wrist Digital Blood Pressure Monitor
Model UB-328
Instruction Manual
Manuel d’instructions
Manual de Instrucciones
Manuale di Istruzioni
Dear Customers
Congratulations. You have purchased an A&D blood pressure monitor, one of the most technologically advanced, yet
easy to use products available in the marketplace today.
We strongly recommend you read this instruction manual carefully prior to using it the first time.
General Information
This device conforms to the European Community Directive 93/42/EEC for Medical Products. This is evidenced by the
CE mark of conformity accompanied by the reference number of a designated authority.
This device is designed for monitoring your blood pressure and pulse rate at home. Therefore, intended use of this
device is limited to monitoring blood pressure and pulse for the general public, except newborns and infants.
1. This device is designed for personal use and not for public use.
2. This device is not designed for measuring newborns or infants. Using this device on newborns and infants could
cause injury to the child. DO NOT USE on newborns or infants.
Precision components were used in the construction of this device. Extremes in
temperature, humidity, direct sunlight, shock or dust should be avoided.
Clean the device with a dry, soft cloth. Never use thinner, alcohol, benzine, or wet cloths.
Avoid folding the cuff tightly or storing the hose tightly twisted for long periods, as such
treatment may shorten the life of the components.
The device and cuff are not water resistant. Protect the device and cuff from rain, sweat and water.
Measurements may be impaired if the device is used close to televisions, microwave
ovens, cellular telephones, X-ray or other devices with strong electrical fields.
Used equipment, parts and batteries are not treated as ordinary household waste, and must be disposed of
according to applicable regulations.
Parts Identification
Function / Meaning
Turns the device on and off.
Guide to install battery
Direct current
Serial number
Date of manufacture
Type BF: Device, cuff and tubing are designed to
provide special protection against electrical shocks.
Appears when measurement is in progress and
Measurement is in progress – remain still.
flashes when the pulse is detected.
Irregular Heartbeat indicator. (I.H.B.)
The indicator that detects irregular heartbeats or any
excessive body movement during the measurement.
Previous measurement stored in MEMORY
Appears when the battery voltage is too low for
Replace all batteries with new ones.
the device to work properly.
Appears if the pressure value is unstable due to
Try the measurement again.
movement during the measurement.
Appears if the pressure value is unstable due to Remain very still during the measurement.
movement during the measurement.
If your systolic reading exceeds 150 mmHg, read “For those
Appears when inflation is not sufficient.
whose systolic pressure is over 150 mmHg” on page 7.
Appears when the cuff is not fastened correctly.
Fasten the cuff correctly, and try the measurement again.
Appears when the pulse is not detected correctly.
Fasten the cuff correctly, and try the measurement again.
Systolic blood pressure in mmHg
Diastolic blood pressure in mmHg
Pulse beats per minute
The EC directive medical device label
Using the Monitor
1. Installing the batteries
1. Remove the battery holder cover.
2. Place two batteries (LR03 or AAA) in the holder, with positive (+) and negative (-)
terminals matching those indicated in the holder.
3. Replace the battery holder cover until it is locked.
• Insert the batteries as shown in the battery holder or the device will not work.
• When (LOW BATTERY mark) appears in the display, replace all batteries with
new ones at the same time. Do not mix old and new batteries. It may shorten the battery
life, or cause the device to malfunction.
• (LOW BATTERY mark) does not appear when the batteries are drained.
• Battery life varies with the ambient temperature and may be shorter at low temperatures.
• Remove the batteries if the device is not to be used for a long period of time. The batteries may leak and cause a malfunction.
• Use the specified batteries only. The batteries provided with the device are for testing monitor performance and may
have a shorter life.
Using the Monitor
2. Fastening the cuff
1. Wrap the cuff around your wrist, about 1 cm above your hand, as shown in the
figure at the right.
2. Fasten the cuff tightly using the Velcro strip.
For proper measurements, fasten the cuff tightly and measure on a bare wrist.
3. How to take proper measurements
For the most accurate blood pressure measurement:
Sit comfortably at a table. Rest your arm on the table.
Relax for about five to ten minutes before measurement.
Raise your hand so that the cuff is at the same level as your heart.
Remain still and keep quiet during measurement.
Do not measure right after physical exercise or a bath.
Rest twenty or thirty minutes before taking the measurement.
• Try to measure your blood pressure at the same time every day.
4. Measurement
During measurement, it is normal for the cuff to feel very tight. (Do not be alarmed).
5. After measurement
After measurement, press the START button to turn off the monitor.
Remove the cuff and record your data.
The device has an automatic power shut-off function, which turns off the power automatically one minute after
Allow at least ten minutes between measurements on the same person.
The UB-328, once used, will provide an inflation appropriate to the user, based on the previous measurement.
If your systolic pressure is expected to exceed 150 mmHg, read "For those whose systolic pressure is over 150 mmHg"
on page 7.
1. Sit comfortably with the cuff at the same level as your heart and relax.
2. Press the START button.
All display symbols appear briefly, then the display changes as
indicated in the figure at the right when measurement begins.
The cuff starts to inflate. It is normal for the cuff to feel very tight.
If you wish to stop inflation at any time, press the START button again.
3. When inflation is complete, deflation starts automatically and the (heart mark) appears
to indicate that measurement is in progress.
Once the pulse is detected, the mark flashes with each pulse beat.
If an appropriate inflation pressure is not obtained, the device starts to inflate again
4. When the measurement is complete, the systolic and diastolic pressure readings and pulse
rate are displayed.
The cuff exhausts the remaining air and deflates completely.
5. Press the START button again to turn off the monitor.
Remove the cuff.
The device has an automatic power shut-off function.
Allow at least ten minutes between measurements on the same person.
For those whose systolic pressure is over 150 mmHg
1. Fasten the cuff around your wrist.
Raise your arm so that the cuff is at the same level as your heart.
2. Press and hold the START button until a number about 30 to 40 mmHg higher than your
expected systolic pressure appears.
3. When the desired number is reached, release the START button. Measurement will begin.
The operation above is required only when you measure your blood pressure for the
first time. The next time, the UB-328 will provide an appropriate inflation, so measure
your blood pressure as described on page 6.
Recalling Average Reading
The UB-328 provides an average blood pressure reading based on the
total measurements stored in memory. Press and release the Memory
(“M”) button to see the average blood pressure reading. The average
blood pressure reading will appear and the number of measurements
stored in memory appear for approximately five seconds.
Recalling Memory Data
The UB-328 automatically stores up to 30 blood pressure and pulse measurements in its memory. Measurements stored
in memory are assigned an index number in the order of the newest to the oldest. The oldest reading displays as “n01”.
To retrieve readings, follow these simple steps:
1. When the display screen is blank, press and release the Memory button. You will see the average blood pressure
reading displayed. Press and release the Memory button again.
You will see the index number of the most recent reading followed by the measurement.
2. If you want to retrieve other measurements in memory, press and release the Memory button repeatedly until the
desired index number is reached (e.g. n14). The measurement will then be displayed.
3. The display will shut off automatically a few seconds after the readings are displayed.
To clear the measurement history from memory, remove the batteries from the unit and then place the batteries back
into the battery holder.
If there are no measurements stored in memory, you will see two Os displayed vertically followed by a blinking “A00”.
Stored measurements will be lost if batteries become low or are removed.
What Is An Irregular Heartbeat?
Model UB-328 blood pressure monitor provides a blood pressure and pulse rate measurement even when an irregular
heartbeat occurs. An irregular heartbeat is defined as a heartbeat that varies by 25% from the average of all heartbeats
during the blood pressure measurement. It is important that you are relaxed, remain still and do not talk during
We recommend contacting your physician if you see this
indicator frequently.
About Blood Pressure
1. What is blood pressure?
Blood pressure is the force exerted by blood against the walls of the arteries. Systolic pressure occurs when the heart
contracts. Diastolic pressure occurs when the heart expands.
Blood pressure readings are usually given as two numbers: 120 over 80 (written as 120/80). The first number (120 in
the example) is the systolic blood pressure. This represents the maximum pressure exerted as the heart contracts. The
second number (80 in the example) is the diastolic pressure, the measurement taken between beats, when the heart is
at rest.
2. What is hypertension and how is it controlled?
Hypertension is abnormally high blood pressure. If left unattended, it can cause many health problems including stroke
and heart attack.
Hypertension can be controlled by altering lifestyle, avoiding stress and with medication under a doctor’s supervision.
To help prevent hypertension or keep it under control:
• Do not smoke.
• Reduce salt and fat intake.
• Maintain proper weight.
• Exercise regularly.
• Have regular physical checkups.
3. Why measure blood pressure at home?
Blood pressure measured at a clinic or doctor's office may cause apprehension or fear and can produce an elevated
reading, 25 to 30 mmHg higher than that measured at home. Home measurement reduces the effects of outside
influences on blood pressure readings, supplements the doctor's readings and provides a more accurate, complete
blood pressure history.
4. WHO blood pressure classification
Standards for assessment of high blood
pressure, without regard to age, have been
Organization (WHO), as shown in the chart
to the right.
About Blood Pressure
5. Blood pressure variations
An individual’s blood pressure varies greatly on a daily and seasonal basis.
It may vary by 30 to 50 mmHg due to various conditions during the day. In
hypertensive individuals, variations are even more pronounced.
Normally, the blood pressure rises while at work or play and falls to its
lowest levels during sleep. So, do not be overly concerned by the results of
one measurement.
Take measurements at the same time every day using the procedure
described in this manual, and know your normal blood pressure. Multiple
readings give a more comprehensive blood pressure history.
Be sure to note the date and time when recording your blood pressure.
Consult your doctor to interpret your blood pressure data.
Probable cause
Corrective action
Nothing appears in
the display, even
when the power is
turned on.
Batteries are drained.
Replace all batteries with new ones.
The cuff will not
Battery voltage is too low.
appears). If the batteries are drained,
the mark does not appear.
Battery terminals are not in the correct Place the batteries with negative and positive terminals
position. Batteries are not installed
matching those indicated in the holder.
The device will not The cuff is not fastened properly.
measure. Readings You moved your arm or body during
are too high or too the measurement.
The cuff position is not correct.
Replace all batteries with new ones.
Fasten the cuff correctly.
Make sure you remain very still and quiet during the
Adjust the cuff position.
Raise your hand so that the cuff is at the same level as
your heart.
If you have a very weak or irregular heat beat, the device
may have difficulty in determining your blood pressure.
The value is different from that
measured at a clinic or doctor’s office.
See “3. Why measure blood pressure at home” on page
Remove the batteries. Place them back in correctly, and
try the measurement again.
If the actions described above do not solve the problem, contact the dealer. Do not attempt to repair the device
Do not open the device. It uses delicate electronic components and an intricate air unit that could be damaged. If you
can not fix the problem using the troubleshooting instructions, request service from your supplier or from the A&D
service group. The A&D service group will provide technical information, spare parts and units to authorized suppliers.
The technical testing procedures, which should be done at least every two years, can be performed either by the
manufacturer or by an authorized repair service in accordance with the regulations governing manufacturing of medical
Technical Data
Measurement method
Oscillometric measurement
Measurement range
Measurement accuracy
Power supply
Wrist circumference
Clinical test
Operating conditions
Storage conditions
Pressure: 20 - 280 mmHg, Pulse: 40 - 200 beats / minute
Pressure: ±3 mmHg or 2%, whichever is greater, Pulse: ±5%
2 x 1.5V alkaline batteries (LR03 or AAA)
13.5 – 19.5 cm
Type BF
According to ANSI / AAMI SP-10 1987
IEC 60601-1-2:1993
+10 °C to +40 °C / 30%RH to 85 %RH
−10 °C to +60 °C / 30%RH to 85 %RH
Approx. 73 [W] x 58 [H] x 79 [D] mm, excluding cuff
Approx. 120 g, excluding batteries
Specifications are subject to change without prior notice.