9. Some Useful Information about Blood Pressure ............... 33
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Before using the unit
Introduction
Thank you for purchasing the OMRON M2 Upper Arm Blood Pressure
Monitor.
The OMRON M2 is a fully automatic blood pressure monitor, operating
on the oscillometric principle. It measures your blood pressure and
pulse rate simply and quickly. For comfortable controlled inflation
without the need of pressure pre-setting or re-inflation the device uses
its advanced “IntelliSense” technology.
The unit also stores up to 21 measurements in memory.
Intended Use
This product is designed to measure the blood pressure and pulse rate
of people within the range of the designated arm cuff, following the
instructions in this instruction manual.
It is mainly designed for general household use. Please read the
Important Safety Information in this instruction manual before using the
unit.
Please read this instruction manual thoroughly before using
the unit. For specific information about your own blood
pressure, CONSULT YOUR DOCTOR.
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Important Safety Information
Important Safety Information
Consult your doctor prior to using in pregnancy or if diagnosed with
arrhythmia or arteriosclerosis.
Please read this section carefully before using the unit.
Warning:
• Indicates a potentially hazardous situation which, if not avoided, could
result in death or serious injury.
(General Usage)
• Always consult your doctor. Self-diagnosis of measurement results
and self-treatment are dangerous.
• People with severe blood flow problems, or blood disorders, should
consult a doctor before using the unit, as cuff inflation can cause
internal bleeding.
(AC Adapter Usage)
• Never plug in or unplug the power cord from the electric outlet with
wet hands.
(Battery Usage)
• If battery fluid should get in your eyes, immediately rinse with plenty of
clean water. Consult a doctor immediately.
Caution:
• Indicates a potentially hazardous situation which, if not avoided, may
result in minor or moderate injury to the user or patient or damage to
the equipment or other property.
(General Usage)
• Do not leave the unit unattended with infants or persons who cannot
express their consent.
• Do not use the unit for any purpose other than measuring blood
pressure.
• Do not disassemble the unit or arm cuff.
• Use only the approved arm cuff for this unit. Use of other arm cuffs
may result in incorrect measurement results.
• Make sure that the air tube is not wrapped around other parts of your
body when taking measurements. This could result in injury when the
air pressure in the air tube is increased.
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Important Safety Information
• Do not leave the cuff wrapped on the arm if taking measurements
during the night. This could result in injury.
• Do not inflate the arm cuff over 299 mmHg.
• Do not use a mobile phone or other devices that emit electromagnetic
fields, near the unit. This may result in incorrect operation of the unit.
• Do not operate the unit in a moving vehicle (car, airplane).
• To inflate the cuff manually, refer to Chapter 3.4. If the cuff is over
inflated, it can cause internal bleeding.
(AC Adapter Usage)
• Use only the original AC adapter (optional) designed for this unit. Use
of unsupported adapters may damage and/or may be hazardous to
the unit.
• Plug the AC adapter into the appropriate voltage outlet.
• Do not use the AC adapter if the unit or the power cord is damaged.
Turn off the power and unplug the power cord immediately.
(Battery Usage)
• If battery fluid should get on your skin or clothing, immediately rinse
with plenty of clean water.
• Use only four “AAA” alkaline batteries with this unit. Do not use other
types of batteries.
• Do not insert the batteries with their polarities incorrectly aligned.
• Replace old batteries with new ones immediately. Replace all four
batteries at the same time.
• Remove the batteries if the unit will not be used for three months or
more.
• Do not use new and used batteries together.
General Precautions
• Do not apply strong shocks and vibrations to or drop the unit and arm
cuff.
• Do not take measurements after bathing, drinking alcohol, smoking,
exercising or eating.
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• Do not forcibly bend the arm cuff or bend the air tube excessively.
• When removing the air tube, pull on the air plug at the connection with
the main unit not the tube itself.
• Do not inflate the arm cuff when it is not wrapped around your arm.
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Important Safety Information
• Do not wash the arm cuff or immerse it in water.
• Read and follow the “Important information regarding Electro
Magnetic Compatibility (EMC)” in the Technical Data Section.
• Read and follow the “Correct Disposal of This Product” in the
Technical Data Section when disposing of the device and any used
accessories or optional parts.
J.Systolic blood pressure
K.Diastolic blood pressure
L.Heartbeat symbol
(Flashes during measurement)
M.Deflation symbol
N.Battery low symbol
Package Contents (others)
O.Blood pressure level indicator
P.Pulse display
Q.Cuff wrapping guide
R.Memory symbol
S.Irregular heartbeat symbol
T.Storage case
U.Four “AAA” alkaline (LR03)
batteries
8
• Instruction manual
• Guarantee card
• Blood pressure pass
Page 9
2.Preparation
2.Preparation
2.1
Installing/Replacing the Batteries
1.Turn the main unit upside down.
2.Slide the battery cover in the
direction of the arrow while
pressing the ribbed part of the
cover.
3.Install or replace four “AAA”
size batteries so that the
+ (positive) and - (negative)
polarities match the
polarities indicated on the
battery compartment.
4.Put the battery cover back in place.
Slide the battery cover as indicated, until it clicks into place.
Note: The measurement values continue to be stored in
memory even after the batteries are replaced.
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2.Preparation
Battery Life & Replacement
If the battery low symbol () appears on the display, replace all four
batteries at the same time.
- When the battery low symbol () starts to blink, you will still be
able to use the unit for a short while. You should replace the
batteries with new ones as soon as possible.
- When the symbol () remains lit, the batteries are exhausted. You
should replace the batteries with new ones at once. Turn the unit off
before replacing the batteries.
• Remove the batteries if the unit will not be used for three months or
more.
• Dispose of batteries according to applicable local regulations.
Four new “AAA” alkaline batteries will last for approximately 300
measurements, when used to take two measurements a day.
Since the supplied batteries are for monitoring use only, they may have
a shorter life and do not last for 300 measurements.
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Correct
Posture
Remove tight fitting clothing from
your upper arm, and any thick
clothing such as a sweater.
Do not place the cuff over thick
clothes and do not roll up your
sleeve so that it becomes tight
around the arm.
Sit upright with
your back
straight.
Place your arm on a table so
that the cuff will be at the
same level as your heart.
The gap between the
chair and the top of the
table should be between
25cm to 30cm.
Operating instructions
3.Using the Unit
3.Using the Unit
3.1
How to Sit Correctly When Taking a Measurement
Correct posture during measurement is necessary to get accurate
results.
Notes:
• Measurements should be taken in a quiet place and you should be in
a relaxed, seated position. Make sure that the room is not too hot or
too cold.
• Avoid eating, drinking alcohol, smoking, or exercising for at least 30
minutes before taking a measurement.
• Do not move or talk during measurement.
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3.Using the Unit
Incorrect Posture
These situations could lead to higher blood pressure
values due to strain or the arm cuff being lower than the
heart.
If the arm cuff is at a lower position than your heart use
cushions etc., to adjust the height of your arm.
• Arched back (leaning forwards)
• Sitting cross-legged
• Sitting on a sofa or at a low table
so that you tend to lean forward
Note: You can take a measurement on either your left or right
arm. The blood pressure can differ between the right
arm and the left arm and therefore also the measured
blood pressure values can be different. OMRON
recommends to always use the same arm for
measurement. If the values between the two arms differ
substantially, please check with your physician which
arm to use for your measurement.
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3.Using the Unit
3.2
Be sure to wrap the arm cuff correctly so that you get accurate results.
Measurements can be taken in light clothing. However, please remove
thick clothes, such as sweaters, before taking a reading.
Applying the Arm Cuff
1.Insert the air plug into the air
jack on the left side of the
main unit.
2.Put your left arm through the
cuff loop.
Note: If the cuff is not
assembled, pass the
end of the cuff furthest
from the tubing through
the metal D-ring to form
a loop. The smooth
cloth should be on the
inside of the cuff loop.
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3.Using the Unit
1)The air tube should run
down the inside of your
forearm and be in line with
your middle finger.
2)The bottom of the cuff
should be approximately 1
to 2 cm above your elbow.
3)Apply the cuff to your
upper arm so that the
marker (arrow under tube)
is centered on the middle
of your inner arm and
points down the inside of
the arm.
3.Position the arm correctly.
Taking Measurements on the Right Arm
Apply the cuff so that
the air tube is at the
side of your elbow.
• Be careful not to rest
your arm on the air
tube, or otherwise
restrict the flow of air
to the cuff.
• The cuff should be 1
4.When the cuff is positioned correctly, close the fabric fastener
to 2 cm above the
elbow.
FIRMLY.
1 to 2 cm
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3.Using the Unit
3.3
Taking a Reading
1.Press the O/I START button to turn the unit on.
The cuff starts to inflate automatically.
Sit in a chair with your feet flat on the floor and place your arm
on a table so that the cuff will be at the same level as your
heart. Keep still and do not talk during measurement.
Note: To cancel a measurement, press the O/I START button
to turn the unit off and to release the air in the arm cuff.
Cuff Wrapping Guide
The Cuff Wrapping Guide is a unique feature that indicates if
the cuff is not wrapped tightly enough around the arm.
Even when the is displayed, a blood pressure reading will
be taken.
Note: This reading is NOT reliable due to the incorrect
wrapping of the cuff. Please wrap the cuff again, taking
care to wrap it correctly and take the measurement
again.
When the is displayed, the cuff is correctly wrapped
tightly enough on the arm and the reading is accurate
and reliable.
2.Inflation stops and the measurement starts with deflating. As
the cuff deflates, the heartbeat symbol () flashes at every
heartbeat.
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3.When the measurement is complete, the arm cuff completely
deflates. Your blood pressure and pulse rate are displayed.
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3.Using the Unit
Diastolic blood
pressure
Systolic blood
pressure
Pulse display
4.Check the measurement
results.
The unit automatically stores
blood pressure and pulse
rate into its memory. Refer to
“3.5 Using the Memory
Function”.
Note: Wait 2-3 minutes before taking another blood pressure
measurement. Waiting between readings allows the
arteries to return to the condition prior to taking the
blood pressure measurement.
Warning:
Self-diagnosis of measured results and treatment are
dangerous. Please follow the instructions of your doctor.
Common Causes of Inaccurate Results
during measurement.
Note:If the arm cuff is at a lower position
than your heart use cushions etc., to
adjust the height of your arm.
Leaning forwards.Arm cuff is too loose.Movement or talking
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5.Remove the arm cuff.
6.Press the O/I START button to turn the unit off.
Note: If you forget to turn the unit off, it will automatically shut
itself off after five minutes.
3.Using the Unit
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3.Using the Unit
Important:
Recent research suggests
that the following values can
be used as a guide to high
blood pressure for
measurements taken at
home.
Systolic Blood PressureAbove 135 mmHg
Diastolic Blood PressureAbove 85 mmHg
This criteria is for home blood pressure measurement.
For professional office blood pressure measurement criteria,
please refer to Chapter 9 “Some Useful Information about
Blood Pressure”.
• Your blood pressure monitor includes
an irregular heartbeat feature.
Irregular heartbeats can influence the
results of the measurement. The
irregular heartbeat algorithm
automatically determines if the
measurement is usable or needs to
be repeated. If the measurement
results are affected by irregular
heartbeats but the result is valid, the result is shown
together with the irregular heartbeat symbol (). If the
irregular heartbeats cause the measurement to be invalid,
no result is shown. If the irregular heartbeat symbol () is
shown after you have taken a measurement, repeat the
measurement. If the irregular heartbeat symbol () is
shown frequently, please make your doctor aware of it.
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3.Using the Unit
Normal Heartbeat
Irregular Heartbeat
Pulse
Blood pressure
Blood pressure
Short
Long
Pulse
What is Irregular Heartbeat?
An irregular
heartbeat is a
heartbeat rhythm
that varies by more
than 25% from the
average heartbeat
rhythm detected
while the unit is
measuring the
systolic and diastolic
blood pressure.
If such an irregular rhythm is detected more than twice during
measurement, the irregular heartbeat symbol () appears
on the symbol when the measurement results are displayed.
What is Arrhythmia?
A heartbeat is stimulated by electrical signals that cause the
heart to contract.
Arrhythmia is a condition where the heartbeat rhythm is
abnormal due to flaws in the bio-electrical system that drives
the heartbeat. Typical symptoms are skipped heartbeats,
premature contraction, an abnormally rapid (tachycardia) or
slow (bradycardia) pulse. This can be caused by heart
disease, aging, physical predisposition, stress, lack of sleep,
fatigue etc. Arrhythmia can only be diagnosed by a doctor
through a special examination.
Whether the appearance of the irregular heartbeat symbol
() in the results indicates arrhythmia or not can only be
determined by an examination and diagnosis by your doctor.
Warning:
If the irregular heartbeat symbol () is shown
frequently, please make your doctor aware of it.
Conducting self-diagnosis and treatment based on
measurement results is dangerous. Be sure to follow the
instructions of your doctor.
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3.Using the Unit
3.4
If your systolic pressure is known to be more than 220 mmHg, press
and hold the O/I START button until the arm cuff inflates 30 to 40 mmHg
higher than your suspected systolic pressure.
Instructions for Special Conditions
1.Press the O/I START button
to turn the unit on.
Measurement starts.
2.When the cuff starts to inflate, press the O/I START button
and keep it pressed until the pressure is 30 to 40 mmHg
higher than your suspected systolic pressure.
Note: You cannot inflate the cuff above 299 mmHg. (An error
will be displayed if you try to inflate the cuff above
299 mmHg.)
3.Release the O/I START button when the cuff has been inflated
to the desired pressure.
The cuff starts to deflate and measurement starts.
4.The rest of the procedure is the same as for normal
measurement. Refer to 3.3, steps 2 to 6.
Note: Do not apply more pressure than necessary.
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3.Using the Unit
3.5
The unit automatically stores up to 21 sets of measurement values
(blood pressure and pulse rate). When 21 sets of measurement values
are stored, the oldest record is deleted to save the most recent values.
Using the Memory Function
1.Press the M button.
Note: If there are no measurements results
stored in memory, the screen to the right is
displayed.
2.Press the M button repeatedly
to cycle through the previous
measurement results.
The Memory number appears
for a second before the pulse
rate is displayed.
The newest set is
numbered “1”.
At the end of the measurement, if an irregular heartbeat is
detected, the irregular heartbeat symbol will be displayed with
the result.
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3.Using the Unit
2
1
3.Press the O/I START button to turn the unit off.
Note: If you forget to turn the unit off, it will automatically shut
itself off after five minutes.
To Delete All the Values Stored in Memory
You cannot delete individual stored readings, all the readings in the unit
will be deleted.
1.To delete stored readings, first
press the M button. Then while
holding it down, press the O/I
START button simultaneously for
about 2-3 seconds. All readings
will then be deleted.
Important: Be careful not to
press the O/I START
button first. If the O/I
START button is
pressed first,
measurement will
start.
2.Press the O/I START button to turn the unit off.
Note: If you forget to turn the unit off, it will automatically shut
itself off after five minutes.
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Care andmaintenance
4.Quick Reference Guide
If you are using this device for the first time, please read carefully
chapter 3 of this instruction manual. To help ensure a reliable reading,
avoid eating, drinking alcohol, smoking, or exercising for at least 30
minutes before taking a measurement.
Note: Remove any tight-fitting clothing from your upper arm.
1.Sit on a chair with your
feet flat on the floor and
place your arm on a
table so that the arm cuff
will be at the same level
as your heart.
4.Quick Reference Guide
2.Apply the arm cuff to your upper arm. The marker should be
centred on the inside of your arm and point down the inside of
the arm, so that the air tube runs down the inside of your
forearm and is in line with your middle finger.
3.Secure the cuff around your arm using the fabric fastener
strip.
4.Press the O/I START button.
When measurement is
complete, the monitor
displays your blood pressure
and pulse rate, and
automatically deflates the
cuff.
Notes:
• Always wait at least 2-3 minutes before taking another blood
pressure measurement.
EN
• Please note that all measurements are stored in the
memory. If different people measure with the same device
make sure that you are aware of this fact.
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5.Handling Errors and Problems
5.Handling Errors and Problems
5.1
Error Messages
Error DisplayCauseRemedy
Cuff is under inflated.
Movement during
measurement.
Air plug disconnected.
Arm cuff not applied
correctly.
Carefully read and repeat the
steps listed under section 3.4.
Repeat measurement. Remain
still and do not talk during
measurement.
Refer to section 3.3.
Insert the air plug securely.
Refer to section 3.2.
Apply the arm cuff correctly.
Refer to section 3.2.
Clothing is interfering
with the arm cuff.
Air is leaking from the
arm cuff.
The arm cuff was
inflated above
299 mmHg when
inflating the cuff
manually.
Remove any clothing
interfering with the arm cuff.
Refer to section 3.2.
Replace cuff with new one.
Refer to Chapter 7.
Do not inflate the arm cuff
above 299 mmHg.
Refer to section 3.4.
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5.Handling Errors and Problems
Blinks or
appears
continuously
Error DisplayCauseRemedy
Replace all four “AAA”
Battery power is low.
batteries with new ones.
Refer to section 2.1.
Device error.
Contact your OMRON retail
outlet or distributor.
Note: The irregular heartbeat symbol () may also be displayed
with error messages.
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5.Handling Errors and Problems
5.2
Troubleshooting
ProblemCauseRemedy
The reading is
extremely low (or
high).
Arm cuff pressure
does not rise.
Arm cuff not applied
correctly.
Movement or talking
during measurement.
Clothing is interfering
with the arm cuff.
The air plug is not
securely inserted into
the main unit.
Air is leaking from the
arm cuff.
Apply the arm cuff
correctly.
Refer to section 3.2.
Remain still and do not
talk during
measurement.
Refer to section 3.3.
Remove any clothing
interfering with the arm
cuff.
Refer to section 3.1.
Make sure that the air
plug is connected
securely.
Refer to section 3.2.
Replace the arm cuff
with a new one.
Refer to Chapter 7.
Arm cuff deflates too
soon.
Cannot measure or
readings are too low
or too high.
The unit loses power
during measurement.
The arm cuff is loose.
The arm cuff has not
been inflated
sufficiently.
The batteries are
empty.
Apply the cuff correctly
so that it is firmly
wrapped around the
arm.
Refer to section 3.2.
Inflate the cuff so that it
is 30 to 40 mmHg
above your previous
measurement result.
Refer to section 3.4.
Replace the batteries
with new ones.
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5.Handling Errors and Problems
ProblemCauseRemedy
Nothing happens
when you press the
buttons.
Other problems.
The batteries are
empty.
The batteries have
been inserted
incorrectly.
Press the O/I START button and repeat
measurement.
If the problem continues, try replacing the
batteries with new ones.
If this still does not solve the problem, contact
your OMRON retail outlet or distributor.
Replace the batteries
with new ones.
Insert the batteries with
the correct (+/-) polarity.
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6.Maintenance and Storage
6.Maintenance and Storage
Maintenance
To protect your unit from damage, please observe the following:
• Do not subject the main unit and cuff to extreme temperatures,
humidity, moisture or direct sunlight.
• Do not fold the cuff or tubing tightly.
• Do not disassemble the unit.
• Do not subject the unit to strong shocks or vibrations (for example,
dropping the unit on the floor).
• Do not use volatile liquids to clean the main unit.
• Do not wash the arm cuff or immerse it in water.
• Do not use petrol, thinners or similar solvents to clean the arm cuff.
• Do not carry out repairs of any kind by yourself. If a defect occurs,
consult your OMRON retail outlet or distributor as mentioned on the
packaging.
• The unit should be cleaned with a soft, dry cloth.
• Use a soft, moistened cloth and soap to clean the arm cuff.
Calibration and Service
• The accuracy of this blood pressure monitor has been carefully tested
and is designed for a long service life.
• It is generally recommended to have the unit inspected every two
years to ensure correct functioning and accuracy. Please consult your
authorised OMRON dealer.
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6.Maintenance and Storage
Storage
Keep the unit in its storage case when not in use.
1.Unplug the air tube from the air jack.
Gently fold the air tube into
the arm cuff.
Note: Do not bend the air
tube excessively.
2.Place the arm cuff and main
unit in the storage case.
Do not store the unit in the following situations:
• If the unit is wet.
• Locations exposed to extreme temperatures, humidity, direct sunlight,
dust or corrosive vapours.
• Locations exposed to vibrations, shocks or where it will be at risk of
falling.
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7.Optional Parts
CW-9520534-2 (Model: HEM-RML30)
CM2-9513256-6
CL2-9513255-8
Adapter S-9515336-9
7.Optional Parts
Wide Range Cuff
Arm circumference 22 - 42 cm
Large Arm Cuff
Arm circumference 32 - 42 cm
Medium Arm Cuff
Arm circumference 22 - 32 cm
AC Adapter S
Using the Optional AC Adapter
Insert batteries into the battery compartment even when using the AC
adapter.
Notes:
• Never plug or unplug the power cord with wet hands.
• Use only the original AC adapter designed for this unit. Use of
unsupported adapters may damage the unit.
• When storing the optional AC adapter with the main unit, be careful
not to damage the main unit or cuff.
1.Insert the AC adapter
plug into the AC adapter
jack on the right side of
the main unit.
2.Plug the AC adapter into
an electrical outlet.
To disconnect the AC adapter,
unplug the AC adapter from the electrical outlet first and then
immediately remove the AC adapter plug from the main unit.
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8.Technical Data
8.Technical Data
Product Description
Model
Display
Measurement Method
Measurement Range
Digital Automatic Blood Pressure Monitor
OMRON M2 (HEM-7119-E(V))
LCD Digital Display
Oscillometric method
Pressure: 0 mmHg to 299 mmHg
Pulse: 40 to 180/min.
21 Measurements
Pressure: ±3 mmHg
Pulse: ±5% of display reading
Automatic by electric pump
Automatic pressure release valve
4 “AAA” batteries 1.5V or AC/ DC adapter
(optional, 6V 4W)
Capacity of new alkaline batteries is approx. 300
measurements
10°C to 40°C/ 30 to 85% RH
-20°C to 60°C/ 10 to 95% RH/ 700-1060 hPa
Approximately 250g without batteries
Approximately 120g
Approximately 104 (w) mm × 84 (h) mm × 129 (l) mm
Approximately 146 mm × 446 mm
(Medium cuff: arm circumference 22 to 32 cm)
Nylon and polyester
Main unit, cuff, instruction manual, storage case, battery
set, guarantee card, blood pressure pass
EN
Note: Subject to technical modification without prior notice
• This OMRON product is produced under the strict quality system of OMRON
HEALTHCARE Co. Ltd., Japan. The Core component for OMRON blood
pressure monitors, which is the Pressure Sensor, is produced in Japan.
• Disposal of this product and used batteries should be carried out in
accordance with the national regulations for the disposal of
electronic products.
= Type B
This device fulfils the provisions of EC directive 93/42/EEC (Medical Device Directive).
This blood pressure monitor is designed according to the European Standard
EN1060, Non-invasive sphygmomanometers Part 1: General Requirements and
Part 3: Supplementary requirements for electromechanical blood pressure
measuring systems.
Caution: Please read the instruction manual carefully
before using the device.
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8.Technical Data
This marking shown on the product or its literature, indicates that it
should not be disposed of, with other household wastes at the end of
its working life. To prevent possible harm to the environment or
human health from uncontrolled waste disposal, please separate this product
from other types of wastes and recycle it responsibly to promote the
sustainable reuse of material resources.
Household users should contact either the retailer where they purchased this
product, or their local government office, for details of where and how they can
return this item for environmentally safe recycling.
Business users should contact their supplier and check the terms and
conditions of the purchase contract. This product should not be mixed with
other commercial wastes for disposal.
Important information regarding Electro Magnetic Compatibility (EMC)
With the increased number of electronic devices such as PC’s and mobile
(cellular) telephones, medical devices in use may be susceptible to
electromagnetic interference from other devices. Electromagnetic interference
may result in incorrect operation of the medical device and create a potentially
unsafe situation.
Medical devices should also not interfere with other devices.
In order to regulate the requirements for EMC (Electro Magnetic Compatibility)
with the aim to prevent unsafe product situations, the EN60601-1-2:2007
standard has been implemented. This standard defines the levels of immunity
to electromagnetic interferences as well as maximum levels of
electromagnetic emissions for medical devices.
This medical device manufactured by OMRON HEALTHCARE conforms to
this EN60601-1-2:2007 standard for both immunity and emissions.
Nevertheless, special precautions need to be observed:
• Do not use mobile (cellular) telephones and other devices, which generate
strong electrical or electromagnetic fields, near the medical device. This may
result in incorrect operation of the unit and create a potentially unsafe
situation. Recommendation is to keep a minimum distance of 7 m. Verify
correct operation of the device in case the distance is shorter.
Further documentation in accordance with EN60601-1-2:2007 is available at
OMRON HEALTHCARE EUROPE at the address mentioned in this instruction
manual.
Documentation is also available at www.omron-healthcare.com
.
Correct Disposal of This Product
(Waste Electrical & Electronic Equipment)
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9.Some UsefulInformation about Blood Pressure
9.Some Useful Information about Blood Pressure
What is Blood Pressure?
Blood pressure is a measure of the force of blood flowing against the
walls of the arteries. Arterial blood pressure is constantly changing
during the course of the heart’s cycle.
The highest pressure in the cycle is called the Systolic Blood Pressure;
the lowest is the Diastolic Blood Pressure.
Both pressure readings, the Systolic and Diastolic, are necessary to
enable a doctor to evaluate the status of a patient’s blood pressure.
Why is it a Good Thing to Measure Blood Pressure at Home?
Having your blood pressure measured by a doctor can cause anxiety
which is itself a cause of high blood pressure. As a variety of conditions
affect blood pressure, a single measurement may not be sufficient for
an accurate diagnosis.
Many factors such as physical activity, anxiety, or the time of day, can
influence your blood pressure. Thus it is best to try and measure your
blood pressure at the same time each day, to get an accurate indication
of any changes in blood pressure. Blood pressure is typically low in the
morning and increases from afternoon to evening. It is lower in the
summer and higher in the winter.
Blood pressure is measured in millimetres of mercury (mmHg) and
measurements are written with the systolic pressure before the diastolic
e.g. A blood pressure written as 135/85, is referred to as 135 over
85 mmHg.
Example: fluctuation within a day (male, 35 years old)
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9.Some Useful Information about Blood Pressure
Classification of Blood Pressure by the World Health Organization
The World Health Organization (WHO) and the International Society of
Hypertension (ISH) developed the Blood Pressure Classification shown
in this figure.
Systolic blood pressure
(mmHg)
Severe hypertension
180
Moderate hypertension
160
Mild hypertension
140
Normal systolic value
130
120
Normal blood
pressure
Optimal blood
pressure
(target value)
80
8590100 110
Diastolic
blood
pressure
(mmHg)
This classification is based on the blood pressure values measured on
people in a sitting position in outpatient departments of hospitals.
Note: There is no universally accepted definition of hypotension.
However, those having the systolic pressure below 100 mmHg
are assumed as hypotensive.
34
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Manufacturer
OMRON HEALTHCARE Co., Ltd.
53, Kunotsubo, Terado-cho, Muko, Kyoto,
617-0002 JAPAN
EU-representative
Production facility
Subsidiary
OMRON HEALTHCARE EUROPE B.V.
Scorpius 33, 2132 LR Hoofddorp
THE NETHERLANDS
www.omron-healthcare.com
OMRON HEALTHCARE MANUFACTURING
VIETNAM CO., LTD.
No. 28 VSIP II, Street 2, Vietnam-Singapore Industrial
Park II, Binh Duong Industry-Services-Urban Complex
Hoa Phu Ward, Thu Dau Mot Town, Binh Duong
Province, VIETNAM