Microlife 3MQ1-LF Instruction Manual
Premium Portable
Blood Pressure
Monitor
with Irregular Heartbeat Detection,
and Microlife Averaging Mode
Instruction Booklet for model# BP3MQ1
US Patent #’s 6,485,429 (Irregular Heartbeat Detector)
6,447,457 (Microlife Averaging Mode)
Automatic Premium Portable Blood Pressure Monitor - Instruction Manual
Table of contents
1. Introduction
1.1. Features of your blood pressure monitor
1.2. Important information about self measurement
2. Important information on blood pressure and its measurement
2.1. How does high/low blood pressure arise?
2.2. Which values are normal?
2.3. What can be done if regular high/low values are obtained?
3. Components of your blood pressure monitor
4. Using your monitor for the first time
4.1. Inserting the batteries
4.2. Using an AC Adapter
4.3. Setting the date and time
4.4. Cuff tube connection
4.5. Select the user
4.6. Setting the medication reminder
4.7. Microlife Averaging Mode
5. Measurement Procedure
5.1. Before measurement
5.2. Common sources of error
5.3. Fitting the cuff
5.4. Measuring procedure
5.5. Irregular Heartbeat Detector
5.6. Memory - Displaying the last 99 measurements
5.7. Discontinuing a measurement
5.8. Battery Charge Indicator
6. Error Messages/Troubleshooting
7. Care and maintenance
7.1. Accuracy Test
8. Warranty
9. Certifications
10. Technical specifications
11. How to contact us
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1. Introduction
1.1.Features of your Microlife Premium Portable Automatic Blood Pressure
Monitor
Your Microlife blood pressure monitor with Microlife Averaging Mode and Irregular
Heartbeat Detection is a fully automatic digital blood pressure measuring device for use
by adults on the upper arm at home or in your doctor’s/nurse’s office. It enables very fast
and reliable measurement of systolic and diastolic blood pressure as well as pulse by way
of the oscillometric method. This device offers clinically proven accuracy and has been
designed to be portable and very user friendly.
Before using, please read this instruction manual carefully and then keep it in a safe
place. Please contact your doctor for further questions on the subject of blood pressure
and its measurement.
Attention!
1.2.Important information about self-measurement
• Self-measurement means control, not diagnosis or treatment. Unusual values must
always be discussed with your doctor. Under no circumstances should you alter
the dosages of any drugs prescribed by your doctor.
• The pulse display is not suitable for checking the frequency of heart pacemakers!
• In cases of irregular heartbeat (Arrhythmia), measurements made with this instrument
should only be evaluated after consultation with your doctor.
Electromagnetic interference:
The device contains sensitive electronic components. Avoid strong electrical or electromagnetic fields in the direct vicinity of the device (e.g. mobile telephones, microwave
ovens). These can lead to temporary impairment of the measuring accuracy.
2. Important information on blood pressure and its measurement
2.1. How does high/low blood pressure arise?
Your level of blood pressure is determined in the circulatory center of the brain and
adjusts to a variety of situations through feedback from the nervous system. To adjust
blood pressure, the strength and frequency of the heart (Pulse), as well as the width of circulatory blood vessels is altered. Blood vessel width is affected by fine muscles in the
blood vessel walls.
Your level of arterial blood pressure changes periodically during heart activity: During the
“blood ejection” (Systole) the value is highest (systolic blood pressure value). At the end
of the heart’s “rest period” (Diastole) pressure is lowest (diastolic blood pressure value).
Blood pressure values must lie within certain normal ranges in order to prevent particular
diseases.
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2.2. Which values are normal?
Blood pressure is very high if your diastolic pressure is above 90 mmHg and/or your
systolic blood pressure is over 160 mmHg, while at rest. In this case, please consult your physician immediately. Long-term values at this level endanger your health
due to continual damage to the blood vessels in you body.
If your systolic blood pressure values are between 140 mmHg and 159mmHg and/or
the diastolic blood pressure values between 90 mmHg and 99mmHg, consult your
physician. Regular self-checks are necessary.
If you have blood pressure values that are too low, (i.e., systolic values under
105mmHg and/or diastolic values under 60 mmHg), consult your physician.
Even with normal blood pressure values, a regular self-check with your blood pressure monitor is recommended. You can detect possible changes in your values early
and react appropriately.
If you are undergoing medical treatment to control your blood pressure, keep a
record of values along with time of day and date. Show these values to your physi-
Never use the results of your measurements to independently alter the
cian.
drug doses prescribed by your physician.
Which values are normal?
The following standards for assessing high blood pressure (without regard to age)
have been established by the National Institutes of Health JNCV7, 2003.
Category Systolic Diastolic
(mmHg) (mmHg)
Normal <120 <80
Pre-Hypertension 120-139 80-89
Hypertension
Stage 1 Hypertension 140-159 90-99
Stage 2 Hypertension >160 >100
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☞ Further information
• If your values are mostly normal under resting conditions but exceptionally high under
conditions of physical or psychological stress, it is possible that you are suffering from
so-called “labile hypertension.” Consult your doctor.
• Correctly measured diastolic blood pressure values above 120mmHg require
immediate medical treatment.
2.3. What can be done if regular high or low values are obtained?
a) Consult your doctor.
b) Increased blood pressure values (various forms of hypertension) are associated with
considerable health risks over time. Arterial blood vessels in your body are endangered
due to constriction caused by deposits in the vessel walls (Arteriosclerosis). A deficient
supply of blood to important organs (heart, brain, muscles) can result from arteriosclerosis. Furthermore, the heart will become structurally damaged with increased blood
pressure values.
c) There are many different causes of high blood pressure. We differentiate between the
common primary (essential) hypertension, and secondary hypertension. The latter
group can be ascribed to specific organ malfunctions. Please consult your doctor for
information about the possible origins of your own increased blood pressure values.
d) There are measures which you can take to reduce and even prevent high blood pres-
sure. These measures must be permanent lifestyle changes.
A) Eating habits
• Strive for a normal weight corresponding to your age. See your doctor for your ideal
weight.
• Avoid excessive consumption of common salt.
• Avoid fatty foods.
B) Previous illnesses
• Consistently follow all medical instructions for treating illness such as:
• Diabetes (Diabetes mellitus or sugar diabetes)
• Fat metabolism disorder
• Gout
C) Habits
• Give up smoking completely.
• Drink only moderate amounts of alcohol.
• Restrict your caffeine consumption (coffee, tea, chocolate).
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D) Your physical condition
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• After a medical examination, and with your doctor’s approval and direction,
exercise.
• Choose sports which require stamina and avoid those which require strength.
• Avoid reaching the limit of your performance.
• With previous illnesses and/or an age of over 40 years, please consult your doctor
before beginning your exercise routine. You must receive advice regarding the type and
extent of exercise that is appropriate for you.
3. Components of your portable blood pressure monitor
a) Measuring unit
Cuff port
User icon
Diastolic, Systolic
and Pulse
measurement
Battery level indicator
Medication reminder icon
*AC Adapter sold separately. Call 1-800-568-4147 to
purchase AC Adapter Model
#HMA-AC2
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Memory Recall Button
AC Adapter Port*
Microlife Averaging
Mode (MAM) switch
Time/Date Button
START/STOP Button
Irregular heartbeat
detection icon
b) Upper arm cuffs:
Type S101 for arm circumference 24–33.7 cm or 9.5” - 13.25”
Type S102 for arm circumference 30.5 - 40.64 cm 12” - 16”
Your monitor comes with a medium and a large sized cuff.
Please Note:
Arm circumference should be measured with a measuring tape in the middle of the relaxed
upper arm. Do not force cuff connection into the opening. Make sure the cuff connection is
not pushed into the AC adapter port. If the cuff is too small, call 1-800-568-4147 for further
information. You may prefer to use one of our wrist type monitors.
4. Using your monitor for the first time
4.1 Inserting the batteries
After you have unpacked your device, insert the batteries. The battery compartment is
located on the back of your device. (See illustration)
a) Remove cover as illustrated.
b) Insert the 4 AA 1.5V batteries following the indicated polarity.
c) If the battery warning appears on the display, the batteries are discharged and must be
replaced.
Attention!
• After the low battery indication warning appears, the device will not function until the
batteries have been replaced. Please use “AA” Long Life or Alkaline 1.5V batteries.
Rechargeable batteries are not recommended.
• If the blood pressure monitor is left unused for long periods of time, remove the batteries
from the device.
Battery
Compartment
Cover
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4.2 Using an AC Adapter
(Special accessory sold separately. This unit requires a special AC Adapter. Call
1-800-568-4147 to purchase AC Adapter Model #HMA-AC2)
It is possible to operate this blood pressure monitor with an AC adapter. Once you receive
your AC Adapter in the mail, make certain that you use an adapter that fulfills the legal
requirements and electronic requirements in the U.S. (UL standard).
a) Push the plug into the back side of the instrument.
b) Push the AC adapter into a 110V power socket (US or Canada).
Note:
• No power is taken from the batteries while the AC adapter is connected to the device.
• If the power is interrupted during the measurement (e.g. by removal of the adapter from
the wall socket), the instrument must be reset by removing the plug from the device.
• Please call 1-800-568-4147 if you have questions relating to the AC Adapter (Model #
HMA-AC2).
4.3. Setting the date and time
With the unit OFF, press the Time/Date button on the side of the monitor and hold for
three seconds until you see the icon start flashing in the upper left corner of the
monitor screen. The Memory button becomes your scroll button and the
Time/Date button moves you to the next time, date or user.
When the User icon is flashing, you can toggle between User 1 and
User 2 by pressing the M (Memory button). If you press the M
(Memory button) one time and the User changes to User 2, you can
press the Time/Date button to set your unit on User 2 or you can press
the M (Memory button) again to go back to User 1. Either way you
Time/Date button
on left side of
monitor.
must press the Time/Date button on the side of the monitor to confirm
the setting and move on. The unit will automatically move on to the
Time/Date settings. If you don’t want to change the Time and Date
then just keep pressing the Time/Date button six times until nothing is
flashing on the monitor screen.
If you want to change the Date and Time, then press the Time/Date button once the correct User is flashing on the screen so you can move on to set the correct year.
The unit will automatically move to the Year setting after the User has been set. To
change the year, press the M (Memory button) to scroll forward.
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Please note: You cannot
scroll back so scroll slowly so you don’t miss the correct year. If you do pass the correct year
the unit will scroll all the way to 2050, then start again at the year 2000. Once you select the
correct year, press the Time/Date button to set it and move on to set the correct month.
Then the Month will begin flashing. Again, use the M (Memory button) to select the correct
month and press the Time/Date button to set it and move on to the day setting.
After you set the month, the Day will begin flashing. Again, use the M (Memory button) to
select the correct day and press the Time/Date button to set it and move on to the hour setting.
After you set the day, the Time hour will begin flashing. Again, use the M (Memory button) to
select the correct hour according to AM or PM and press the Time/Date button to set it and
move on to the minutes.
The last setting is the Time Minutes. The minutes will be flashing. Again, use the M (Memory
button) to select the correct minutes and press the Time/Date button to set it and complete
your setting.
Please NOTE: You can cancel out of setting the User/Time/Date by pressing the Start/Stop
button. If no operation occurs during the User/Time/Date setting process, the unit will automatically cancel out of it. To re-initiate the setting process, press and hold the Time/Date button for three seconds until the User icon begins flashing. Start the procedure all over again or
press the Time/Date button again and again until you reach the desired location to reset.
4.4. Cuff tube connection
Insert the cuff tube into the opening on the left side of the monitor indicated by a drawing of the cuff (see drawing at right).
4.5. Select the User
This blood pressure monitor is designed to store 99 measurements for each of two users.
Before taking a measurement, be certain that the correct user has been selected.
a) With the unit off, press and hold the Time/Date button for 3 seconds until the user icon
in the upper left corner of the LCD screen flashes.
b) Press the Memory button to toggle between users.
c) Press the START/STOP button to make your selection.
4.6. Setting the medication reminder
This instrument allows you to set two alarm times at which an alarm signal will then be triggered. This can be a useful aid, for instance as a reminder to take medication or to remind
you to take your blood pressure at the same time each day.
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1. To set an alarm time, press the Time/Date button on the side of the
T
IME PM
unit (the instrument must have been switched off beforehand) and
immediately afterwards the "M" (Memory button) and hold both
down until the bell symbol appears in the bottom left of the display.
Then release both buttons. The flashing "I" in the display indicates
that the first alarm time can now be set.
2. Press the Time/Date button on the side of the unit to set the hoursthe hours display flashes and pressing the "M" (Memory button)
allows you to set the alarm hour. To confirm, press the Time/Date
button.
3. The minute display will now flash. The minutes can be set using the
"M" (Memory button). To confirm, press the time button again.
4. The bell symbol will now flash. Use the "M" (Memory button) to
select when the alarm time is to be active (Bell icon) or inactive
(when inactive a Bell icon with a cross over it appears). To confirm,
press the Time/Date button on the side of the unit.
To set a second alarm (Medication or Blood Pressure Measurement
Reminder), proceed as above but if the "1" flashes, press the "M"
button to select "2" and confirm with the Time/Date button on the side
of the unit.
• An active alarm time is indicated by the bell symbol in the display.
• The alarm sounds at the selected time each day.
• To switch-off the alarm when it is sounding, press the Start/Stop
button.
• To permanently switch-off the alarm, proceed as above (steps 1-4) and select the
crossed-out bell symbol. This will then disappear from the display.
• The alarm times must be re-entered each time the batteries are replaced.
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4.7. Microlife Averaging Mode
In Microlife Averaging Mode, three measurements are automatically taken in succession and the result then automatically analyzed and displayed. Because your blood pressure constantly fluctuates, a result determined in this way is more reliable than one produced by a single measurement.
The switch on the side of the blood pressure monitor (right
above the Time/Date button but below the AC Adapter connection port [AC Adapter sold separately]) allows you to select
whether you want to take a single measurement or three consecutive measurements in Microlife Averaging Mode. If you
slide the switch toward the 3, the unit is in averaging mode.
The resulting measurement on the display will indicate that
the measurement is from Microlife Averaging Mode because
an icon will appear when a measurement was taken
in this mode.
After pressing the START/STOP button the selected Microlife
Averaging Mode appears in the display as the symbol.
Single Mode: If you want a single measurement then slide
the switch toward the 1 on the side of the unit. The single
measurement will take just a single reading.
AC Adapter
Port*
Microlife
Averaging Mode
(MAM) switch
Time/Date
Button
*AC Adapter sold separately. Call 1-800-568-4147 or
visit www.microlifeusa.com
to purchase the special AC
Adapter (Model #HMA-AC2)
for this unit.
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5. Measurement Procedure
Please note: You should always be seated before and during measurement.
5.1. Before measurement:
• Avoid eating and smoking as well as all forms of exertion directly before measurement. These factors influence the measurement result. Find time to relax by
sitting in an armchair in a quiet atmosphere for about ten minutes before measurement.
• Remove any garment that fits closely to your upper arm.
• Always measure on the same arm (normally left).
• Always compare measurements taken at the same time of day, since blood pressure changes during the course of the day.
5.2. Common sources of error:
Note: Comparable blood pressure measurements always require the same
conditions! Conditions should always be quiet.
•All efforts by the user to support the arm can increase blood pressure. Make sure
you are in a comfortable, relaxed position and do not flex any of the muscles in the
measurement arm during the measurement. Use a cushion for support if necessary.
•If the arm artery lies considerably lower or higher than the heart, an erroneously
high or low blood pressure will be measured! Each 15cm (6 inch) difference in
height between your heart and the cuff results in a measurement error of 10
mmHg!
•Cuffs that are too narrow or too short result in false measurement values.
Selecting the correct cuff is extremely important. Cuff size is dependent upon the
circumference of the arm (measured in the center). The permissible range is printed on the cuff. If this is not suitable for your use, please call 1-800-568-4147.
Note: Only use clinically approved cuffs!
•A loose cuff or a sideways protruding air pocket causes false measurement values.
•With repeated measurements, blood accumulates in the arm, which can lead to
false results. Consecutive blood pressure measurements should be repeated after
a 1 minute pause or after your arm has been held up in order to allow the accumulated blood to flow away.
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5.3. Fitting the cuff
a) Pass the end of the cuff through the flat
metal ring so that a loop is formed. The
Velcro™ closer must be facing outward.
(Ignore this step if the cuff has already been
prepared.)
b) Place the cuff over the left upper arm so that
the tube is closer to your lower arm.
c) Lay the cuff on the arm as illustrated. Make
certain that the lower edge of the cuff lies
approximately 3/4” to 1”(2 to 3cm) above the
elbow and that the tube is closer to the inner
side of the arm.
Important! The small white arrow (Artery
Mark) on the cuff must lie exactly over the
artery which runs down the inner side of the
arm.
d) Tighten the cuff by pulling the end and close
the cuff by affixing the Velcro™.
e) There should be little free space between the
arm and the cuff. You should able to fit 2 fingers between your arm and the cuff. Clothing
must not restrict the arm. Any piece of clothing which does must be removed. Cuffs that
don’t fit properly result in false measurement
values. Measure your arm circumference if
you are not sure of proper fit. Larger cuffs are
available (Section 3B).
f) Lay your arm on a table (palm upward) so the
cuff is at the same height as your heart.
Make sure the tube is not kinked.
g) Remain seated quietly for at least two
minutes before you begin the measurement.
Left Arm
3
/4”-1”
tube
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Comment:
If it is not possible to fit the cuff to your left arm, it can also be
placed on your right arm. However, all measurements should be
made using the same arm.
Comparable blood pressure measurements always require the
same conditions (Relax for several minutes before a reading).
5.4. Measuring procedure
After the cuff has been appropriately positioned on the
arm and connected to the blood pressure monitor the
measurement can begin:
a) Press the START/STOP button. The pump
begins to inflate the cuff. In the display, the
increasing cuff pressure is continually displayed.
b) After automatically reaching an individual pressure,
the pump stops and the pressure slowly falls. The cuff
pressure is displayed during the measurement.
c) When the device has detected your pulse, the heart
symbol in the display begins to blink.
d) When the measurement has been concluded, a long
beep tone sounds. The measured systolic and diastolic
blood pressure values, as well as the pulse are now
displayed.
e) The appearance of this symbol signifies that an
irregular heartbeat was detected. This indicator is only
a caution. It is important that you be relaxed, remain
still and do not talk during measurements. NOTE: We
recommend contacting your physician if you see this
indicator frequently.
f) The measurement results are displayed until you
switch the device off. If no button is pressed for 1
minute, the device switches off automatically.
g) You can take a measurement while holding this moni-
tor in your hand if you do not want or have a hard surface to place the unit on. However, you should always
hold the unit in the opposite arm of the cuff. If the cuff
is on the left arm, hold the blood pressure monitor in
your right hand.
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Cuff on
right arm
START/STOP
Button
Pumping
Pressure
Measuring
Systolic
Diastolic
Pulse
Measurement
complete
When the unit is set to the Averaging Mode setting, 3 separate measurements
will take place in succession after which your result is calculated. There is a 15
second resting time in-between each measurement. A count down indicates the
remaining time and a beep will sound 5 seconds before the 2nd and 3rd readings will begin.
If one of the measurements causes an error message, it will be repeated one more time.
If any additional error occurs, the measurements will be discontinued and an error code
displayed.
Expanding the averaged measurement to see the three individual readings:
This function allows you to view the three individual measurements used to calculate the
Microlife Averaging Mode (MAM) measurement. After taking a MAM measurement hold
the memory button for 3 seconds until you hear a short beep. (Do not hold the button
longer than 7 seconds or you will delete all the readings in the memory.) Let go of the button and watch the screen. It will automatically scroll through the
three measurements used in the measurement.
5.5. Irregular Hearbeat Detector
This symbol indicates that certain pulse irregularities were
detected during the measurement. In this case, the result may
deviate from your normal basal blood pressure – repeat the measurement. In most cases, this is no cause for concern. However, if
the symbol appears on a regular basis (e.g. several times a week
with measurements taken daily), we advise you to tell your doctor.
Please show your doctor the following explanation:
Information for the doctor on frequent appearance of the Irregular Heartbeat Symbol
This instrument is an oscillometric blood pressure monitor device that also analyzes pulse
frequency during measurement. The instrument is clinically tested.
If pulse irregularities occur during measurement, the irregular heartbeat symbol is displayed after the measurement. If the symbol appears more frequently (e.g. several times
per week on measurements performed daily) or if it suddenly appears more often than
usual, we recommend the patient to seek medical advice.
The instrument does not replace a cardiac examination, but serves to detect pulse irregularities at an early stage.
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