Be.Better PREMIUM PLUS BLOOD PRESSURE MONITOR User manual

INSTRUCTION
MANUAL
UCTION
AL
Recommended by
Hypertension Canada
R
PREMIUM PLUS
BLOOD PRESSURE MONITOR

1
Advanced 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. Installing the batteries
4.2. Setting the date and time
4.3. Cuff tube connection
4.4. Select the measuring mode: Standard or Averaging Mode
4.5. Select the user
4.6. 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. PAD - Pulse Arrythmia Detection
5.6. Traffic Light Indicator
5.7. Memory - Displaying the last 120 measurements
5.8. Discontinuing a measurement
5.9. Setting the Medication Reminder
5.10. Battery Indicator
5.11. Using the AC Adapter
6. Software Functions
6.1. Installation and data transmission
7. Error Messages/Troubleshooting
8. Care and Maintenance
9. Lifetime Warranty
10. Certifications
11. Technical Specifications

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1. Introduction
1.1.Features of your Automatic Blood Pressure Monitor
Your blood pressure monitor with Averaging Mode, Pulse Arrythmia Detection, and PC
Link Blood Pressure Analyzer Software 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 through the oscillometric method. This device offers clinically
proven accuracy and has been designed to be 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, 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 or 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 speed of the heart (Pulse), as well as the width of
circulatory blood vessels is altered. Blood vessel width is controlled 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).

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Blood pressure values must lie within certain normal ranges in order to prevent particular
diseases.
2.2. Which values are normal?
Blood pressure is very high if your diastolic pressure is above 100 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 your body.
If your systolic blood pressure values are between 140 mmHg and 159 mmHg and/or
the diastolic blood pressure values between 90 mmHg and 99 mmHg, consult your
physician. Regular self-checks are necessary.
If you have blood pressure values that are too low, (i.e., systolic values under
105 mmHg 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
physician. Never use the results of your measurements to independently alter
the 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 World Health Organization (WHO) in 2003.
Category Systolic (mmHg) Diastolic (mmHg)
Optimal <120 <80
Normal <130 <85
High Normal 130 - 139 85 - 89
Hypertension
• Stage 1: Mild 140-159 90-99
• Stage 2: Hypertension 160 - 179 100 - 109
• Stage 3: Severe >180 >110
Isolated Systolic Hypertension >140 <90

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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 120 mmHg 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
pressure. 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
•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. Speak with your doctor regarding the type
and extent of exercise that is appropriate for you.
3. Components of your blood pressure monitor
a) Measuring unit
Cuff Socket
Time/Date
Button
START/STOP
Button
Mode Switch on side
Select 1 or 3
Measurements
Memory Recall
Button
AC Adapter Port
Cuff Storage

b) Wide Range Cuff:
For arm circumference 22 cm - 42 cm (8.7” - 16.5”)
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.
4. Using your Monitor for the First Time
4.1 Installing the batteries
Insert batteries immediately after unpacking the unit. The battery compartment is
located on the bottom of the device.
a) Remove cover.
b) Insert the batteries (4 x size AA 1,5V), observing the indicated polarity.
c) If a battery warning appears in the display, the batteries are discharged
and must be replaced.
d) Do not mix old and new batteries.
Do not mix alkaline, standard (carbon-zinc), or rechargeable
(ni-cad, ni-mh, etc) batteries.
4.2 Setting the date and time
1. After the new batteries are activated, the year number flashes in the
display. You can advance the year by pressing the "M" button. To
confirm and then set the year, press the TIME button.
2. You can now set the month using the “M” button. To confirm
and then set the month, press the TIME button.
3. Please follow the instructions above to set the day, hour and
minutes.
4. Once you have set the last minute and pressed the TIME button,
the date and time are set and the time is displayed.
5. If you want to change the date and time, press and hold the
TIME button down for approx. 3 seconds until the user icon
starts to flash, release the button and press again, the year
number starts to flash. Now you can enter the new values as
described above.
TIME PM
Memory
Button
Time/Date
Button
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4.3. Cuff tube connection
Insert the cuff tube into the opening on the side of
the monitor indicated by the drawing.
4.4. Select the Measuring Mode: Standard or Averaging
Mode
This instrument enables you to select either Standard (single
measurement) or Averaging Mode (automatic triple measurement).
To select Standard mode, push the switch on the side of the
instrument downward to Position "1“ and to select Averaging mode,
upwards to Position “3”. If you select 1 then only one measurement
will be taken. If you select 3, the unit will inflate and deflate three
times resulting in one final average measurement.
4.5. Select the User
This blood pressure monitor is designed to store 120 measurements
for each of two users. In addition, there is a guest mode in which
results are not stored. Before taking a measurement, be certain that
the correct user has been selected.
a) With the unit off, press and hold the TIME button for 3 seconds until the user icon
in the upper left corner of the LCD screen flashes.
b) Press the “M” button to toggle between user 1, user 2 and Guest mode.
c) Press the START button to make your selection.
4.6. Averaging Mode Technology
• In 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.
• After pressing the START/STOP button the selected Averaging Mode appears in the
display as the symbol.
• The bottom, right hand section of the display shows a 1, 2 or 3 to indicate which of
the 3 measurements is currently being taken.
• There is a break of 15 seconds between the measurements (15 seconds are adequate
according to “Blood Pressure Monitoring, 2001, 6:145-147” for oscillometric instru-
ments). A countdown indicates the remaining time and a beep will sound 5 seconds
before the 2nd and 3rd readings will begin.
1 3

• The individual results from measurements 1, 2 and 3 are not initially displayed.
• If you want to see each of the individual readings making up a triplicate reading, press
and hold the “M” button for 3 seconds immediately after an Averaging Mode
measurement. Please note: You can only see the individual readings one time
immediately following an Averaging Mode measurement. See section 5.4 G.
• Do not remove the cuff between measurements.
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 taking a 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, as much as 20-40 mmHg.
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.
•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. If you decide to take your Averaging Mode measurement again, be sure to wait at
least one minute beforehand.
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5.3. Fitting the Cuff
a) Remove tight or bulky clothing from your upper
arm.
b) Wrap the cuff around your upper left arm. The
rubber tube should be on the inside of your arm
extending downward to your hand. Make certain
the cuff lies approximately 3/4” to 1” (2 to 3 cm)
above the elbow.
c) Tighten the cuff by pulling the end and close the
cuff.
d) There should be little free space between the arm
and the cuff. You should be 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.
e) 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.
f) Remain seated quietly for at least two
minutes before you begin the measurement.
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 taking a
measurement).
3/4”-1”
Cuff on
right arm

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 a
pulse arrhythmia 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.
Pumping
Pressure
Measuring
Measurement
complete
Systolic
Diastolic
10
Pulse

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g) When the unit is set to the MAM (Averaging Mode) setting, 3 separate
measurements will take place in succession after which your result is calculated
and displayed as a single, averaged measurement. There is a 15 second resting
time in-between each measurement. A countdown 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
measurement will be discontinued and 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
Averaging Mode measurement. After taking an Averaging Mode measurement hold
the “M” 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. PAD - Pulse Arrhythmia Detection
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 pulse arrhythmia 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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5.6. Traffic Light Indicator
The bars on the left-hand edge of the display show you the range within which the
indicated blood pressure value lies. Depending on the height of the bar, the readout value
is either within the normal (green), borderline (yellow) or danger (red) range.
The classification is based on standards established by the World Health Organization.
Refer to the chart below for details of the classification.
The traffic light bar raises according to your measurement.
• If your measurement has only one or two bars, your measurement is in the green zone,
or “Normal” according to the WHO classification.
• If your measurement has three bars, it is in the yellow zone, or “high normal” according
to the WHO classification.
• If your measurement has four bars, it is in the orange “Stage 1 Hypertension” zone.
• If your measurement has five or more bars, it is in the red “Stage 2 Hypertension” zone.
• If your measurement has six bars, it is in the red “Stage 3 Hypertension” zone.
Red
Red
Orange
Yellow
Green
Green
Red
Red
Orange
Yellow
Green
Green
Red
Red
Orange
Yellow
Green
Green
Indication of a
“Optimum” Blood
Pressure
Indication of a
“Normal” Blood
Pressure
Indication of “Pre-
Hypertension” Blood
Pressure
SYS
WHO World Health Organization 2003
180
160-180
110
100-110
90-100
85-90
80-85
80
140-160
130-140
120-130
120
(mmHg)
DIA
Red
Red
Orange
Yellow
Green
Green

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5.7. Memory – Displaying the last 120 Measurements
At the end of a measurement, this monitor automatically stores each result with date and
time. This unit stores 120 memories for each of 2 users.
Viewing the stored values
With the unit off, press the "M" button. The display first shows "A", then shows an average of
all measurements stored in the unit. Please note: Measurements for each user are
averaged and stored separately. Be certain that you are viewing the measurements
for the correct user.
Pressing the "M" button again displays the previous value. To view a particular stored
memory, press and hold the “M” button to scroll to that stored reading.
Memory full
When the memory has stored 120 results a new measured value is stored
by overwriting the oldest value.
Clear all values
If you are sure that you want to permanently remove all stored values,
hold down the "M" button (the instrument must have been switched off
beforehand) until "CL" appears and then release the button. If you do not
want to clear the values, press the START/STOP button. To permanently
clear the memory, press the "M" button while "CL" is flashing.
Individual values cannot be cleared.
Red
Red
Orange
Yellow
Green
Green
Red
Red
Orange
Yellow
Green
Green
Red
Red
Orange
Yellow
Green
Green
Indication of a “Stage
1 Hypertension”
Blood Pressure
Indication of a “Stage
2 Hypertension” Blood
Pressure
Indication of a “Stage
3 Hypertension” Blood
Pressure

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5.8. Discontinuing a Measurement
If it is necessary to interrupt a blood pressure measurement for any reason (e.g the patient
feels unwell), the START/STOP button can be pressed at any time. The device then
immediately lowers the cuff pressure automatically.
5.9. 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.
1. To set an alarm time, press the TIME button (the instrument must
have been switched off beforehand) and immediately afterwards the
"M" button and hold both down until the bell symbol appears in the
bottom left of the display. Then release both buttons. The flashing
"1" in the display indicates that the first alarm time can now be set.
2. Press the TIME button to set the hours – the hours display flashes
and pressing the "M" button allows you to set the alarm hour. To
confirm, press the TIME button.
3. The minute display will now flash. The minutes can be set using the
"M" button. To confirm, press the TIME button again.
4. The bell symbol will now flash. Use the "M" button to select whether
the alarm time is to be active (bell) or inactive (crossedout bell). To
confirm, press the TIME button.
To set a second alarm time, proceed as above but if the "1" flashes,
press the "M" button to select "2" and confirm with the TIME button.
• An active alarm time is indicated by the bell symbol in the display.
• The alarm sounds at the set time every 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.
TIME PM

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5.10. Battery Indicator
Batteries almost discharged
When the batteries are approximately 75% used the battery symbol
will flash as soon as the instrument is switched on (if at least one of
the batteries still has some charge). Although the instrument will
continue to measure reliably, you should obtain replacement batteries.
Batteries discharged– replacements required
When the batteries are discharged, the battery symbol will flash as soon as the
instrument is switched on. You cannot take any further measurements
and must replace the batteries.
1. Open the battery compartment at the back of the instrument.
2. Replace the batteries – ensure they are correctly connected, as
shown on the symbols in the compartment.
3. The memory retains all values although date and time must be reset - the year
number therefore flashes automatically after the batteries are replaced.
4. To set date and time, follow the procedure described in Section 4.2.
Which batteries and which procedure?
Use four new, longlife 1.5V AA batteries. Do not use batteries beyond their expiration
date. If the monitor is not going to be used for a prolonged period the batteries should
be removed. Do not mix new and old batteries.
Using rechargeable batteries
You can also operate this instrument using rechargeable batteries.
• Please use only type "NiMH" reusable batteries!
• If the battery symbol ( ) appears, the batteries must be removed and
recharged! They must not remain inside the instrument, as they may become
damaged through total discharge even when switched off. The batteries must NOT be
discharged in the blood pressure monitor! If you do not intend to use the instrument
for a week or more, always remove the rechargeable batteries!
• Recharge these batteries using an external charger and follow manufacturer’s
instructions carefully.

5.11. Using the AC Adapter
You may also operate this monitor using the included AC
Adapter (output 6V DC/600 mA with DIN plug).
Use only the included AC Adapter to avoid damaging the
unit.
1. Ensure that the AC adapter and cable are not damaged.
2. Plug the adapter cable into the AC Adapter port on the
blood pressure monitor.
3. Plug the adapter into your electrical outlet.
When the AC adapter is connected, no battery current is consumed.
Note: No power is taken from the batteries while the AC Adapter is connected to the
monitor. If electrical power is interrupted, (e.g., by accidental removal of the AC adapter
from the outlet) the monitor must be reset by removing the plug from the socket and
reinserting the AC adapter connection.

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6. Software Functions
This unit can be used in connection with your
personal computer (PC) running the PC Link Blood
Pressure Analyzer software. Your PC will allow a
capacity of monitoring 80 patients, each
with 1000 data (note: overuse will lower system
efficiency). The memory data can be transferred to
the PC by connecting the monitor via the included
USB cable with your PC.
Note: The software does not work with Mac computers.
6.1. Installation and Data Transmission
a) Insert CD into CD ROM drive of your PC. The installation will
start automatically. If not, click on SETUP.EXE.
b) Connect the monitor via USB cable with the PC. Three
horizontal bars will appear on the display and last for 3
seconds.
c) The bars will then flash to indicate that the connection
between computer and device is successfully made. As long
as the cable is plugged in, the bars will keep flashing and the
buttons are disabled.
During the connection, the device is completely controlled by
the computer.

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7. Error Messages/Troubleshooting
If an error occurs during a measurement, the measurement is discontin-
ued and a corresponding error code is displayed. We recommend you
switch the device off and take a new measurement making sure you
allow time for relaxation (example: error no. 1).
Repeat measurement keeping arm still.
If inflation of the cuff takes too long, the
cuff is not correctly seated or the hose
connection’s not tight.
Check connections and repeat.
The difference between systolic and dias-
tolic is excessive. Measure again carefully
following proper cuff procedures and
ensure measurement under quiet condi-
tions.
Error No. Possible cause(s) / Solutions
ERR 1 The tube may have loosened, or no pulse
was detected.
*Ensure cuff connections are tight with
proper cuff placement. See section (5.3)
ERR 2 Unnatural pressure impulses. Reason:
The arm was moved during the
measurement (Artifact).
Repeat measurement keeping arm still.
ERR 3
ERR 5
The cuff pressure is too high. Relax for 5
minutes and repeat the measurement.*
HI
The pulse is too low (less than 40).
Repeat the measurement.*
LO
*If this or any other problem occurs repeatedly, please consult your doctor.

2118
Other possible errors and their solutions
If problems occur when using the device, the following points should be checked:
Malfunction Remedy
• Check battery installation or AC adapter con-
nection is correct and wall outlet is working.
• If the display is unusual, remove the batteries
and then exchange them for new ones.
Check polarity.
• Check the connection of the cuff tube and
connect properly.
1. Ensure the cuff fits properly. (see 5.3)
2. Before starting measurement make sure
that the cuff is not too tight and that clothing
is not exerting pressure on the arm. Take
articles of clothing off if necessary.
3. Measure blood pressure again in complete
peace and quiet.
• Please read the following information and
the points listed under “Common sources of
error”.(5.2) Repeat the measurement.
• Blood pressure changes constantly. The
observed readings may accurately reflect
your pressure.
• Record daily values and consult your doctor.
• Pressure readings in your doctor’s office may
be higher due to anxiety.
• Check cuff connections.
Ensure the unit has not been tampered with.
The display remains blank when the instrument
is switched on although the batteries are in
place.
The pressure does not rise although the pump
is running.
The device frequently fails to measure,
or the values measured are too low or high.
Every measurement results in different values,
although the device functions normally and
normal values are displayed.
Blood pressure values differ from those meas-
ured by my doctor.
After the instrument has inflated the cuff the
pressure falls very slowly, or not at all. (No rea-
sonable measurement possible).