®
Wrist Blood Pressure Monitor
Monitor de Presión Arterial de Muñeca
Operating Instructions
Instrucciones de
funcionamiento
Model No. EW3037
Modelo No. EW3037
For questions or assistance with your blood pressure
monitor, call us at 1-800-338-0552.
1
20
80
Panasonic Consumer Electronics Company
Division of Panasonic Corporation of
North America
One Panasonic Way 3D-1
Secaucus, NJ 07094
Before operating this device, please read these instructions completely and save this
manual for future use.
Antes de usar este dispositivo, lea completamente estas instrucciones y guarde este
manual para utilizarlo como referencia en el futuro.
No.1 EN,SP
© 2002 Matsushita Electric Works, Ltd. All Rights Reserved.
Printed in China
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Introduction
Important Instructions Before Use
Thank you for purchasing the Panasonic Wrist Blood Pressure Monitor
EW3037.
1. Do not confuse self-monitoring with self-diagnosis. Blood pressure
measurements should only be interpreted by a health professional who
is familiar with your medical history.
Measuring your own blood pressure is an important way of monitoring your
health. High blood pressure (hypertension) is a major health problem which
can be treated effectively once detected. Measuring your blood pressure
between doctor visits on a regular basis in the comfort of your home, and
keeping a record of the measurements, will help you monitor any significant
changes in your blood pressure. Keeping an accurate record of your blood
pressure will help your doctor diagnose and possibly prevent any health
problems in the future.
2. If you are taking medication, consult with your physician to determine the
most appropriate time to measure your blood pressure. NEVER change
a prescribed medication without first consulting with your physician.
3. For persons with irregular or unstable circulation resulting from diabetes,
liver disease, arteriosclerosis or other medical conditions, there may be
variations in blood pressure values measured at the wrist versus at the
upper arm. Monitoring the trends in your blood pressure taken at either
the arm or the wrist is nevertheless useful and important.
4. Blood pressure can vary based on many factors, including age, gender,
weight and physical condition. In general, a person’s blood pressure is
lower during sleep and higher when he or she is active. Blood pressure
can change easily in response to physiological changes. The setting in
which a person’s blood pressure is measured can also affect the results.
Having one’s blood pressure measured by a healthcare professional in a
hospital or clinic can cause nervousness and may result in a temporarily
elevated reading. Because blood pressure measurements taken in a
clinical setting can vary considerably from those taken at home, a
person’s blood pressure should be measured not only occasionally in the
doctor’s office, but also on a regular basis at home. Also, if you find that
your blood pressure is lower at home, this is not unusual. To accurately
compare with your physician’s reading, take your Panasonic blood pressure
monitor to your doctor’s office and compare readings in this setting.
Basics of Blood Pressure
Your heart acts like a pump, sending blood surging through your blood
vessels each time it contracts. Blood pressure is the pressure exerted by
blood pumped from the heart on the walls of blood vessels. Systolic
pressure is the pressure exerted when the heart contracts and pumps blood
into the arteries. Diastolic pressure is the pressure exerted when the heart
expands, or relaxes. When you or your doctor take your blood pressure,
both your systolic and diastolic pressures are measured. If your blood
pressure measurement is 120 over 80 (120/80), for example, your systolic
pressure is 120 while your diastolic pressure is 80.
5. People suffering from cardiac arrhythmia, vascular constriction, liver
disorders or diabetes, people with cardiac pacemakers or a weak pulse,
and women who are pregnant should consult their physician before
measuring their blood pressure themselves. Different values may be
obtained due to their condition.
6. Try to take your blood pressure measurements at the same time and
under the same conditions every day.
• The ideal time to measure your blood pressure (to obtain your so-called
“base blood pressure”) is in the morning just after waking up, before
having breakfast and before any major activity or exercise. If this is not
possible, however, try to take measurements at a specified time prior to
breakfast, and before you have become active. You should relax for
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about 5 minutes before taking the measurement.
Precautions to Ensure Safe, Reliable Operation
• The following situations may cause substantial variations in blood
pressure readings and should therefore be avoided at least 30 minutes
prior to taking your blood pressure.
1. Do not drop the unit. Protect it from sudden jars or shocks.
2. Do not insert foreign objects into any openings.
3. Do not attempt to disassemble the unit.
Blood pressure will be higher than usual:
- when you are excited or tense
- when you are taking a bath
4. Do not crush the pressure cuff.
5. If the unit has been stored at temperatures below 0°C, leave it in a warm
place for about 15 minutes before using it. Otherwise, the cuff may not
inflate properly.
- during exercising or soon after exercising
- when it is cold
- within one hour after eating
- after drinking coffee, tea or other beverages containing caffeine
- after smoking tobacco
6. Do not store the unit in direct sunlight, high humidity or dust.
- when your bladder is full
Blood pressure will be lower than usual:
- after taking a bath
- after drinking alcohol
Easily Check Your Blood Pressure Readings
*
Against the JNC 7 Classification
7. Measurements may be impaired if this unit is used near a television,
microwave oven, X-ray equipment or other devices with strong electrical
fields. To prevent such interference, use the unit at a sufficient distance
from such devices or turn the devices off.
Blood Pressure Categories
8. This unit is designed for use by adults. Consult with your physician
before using this unit on a child. Do not use on infants or toddlers.
9. This unit is not suitable for continuous monitoring during medical
emergencies or operations.
10. Do not use the unit for any purpose other than measuring blood
pressure. Do not use the unit together with other devices.
11. Improper handling of batteries may result in battery rupture or in
corrosion from battery leakage. Please observe the following to ensure
proper use of batteries.
Stage 2 Hypertension e.g.: SBP 165
DBP 105
100
Stage 1 Hypertension e.g.: SBP 150
DBP 95
90
Prehypertension e.g.:SBP 130
DBP 85
80
Normal e.g.:SBP 115
DBP 75
a. Be sure to turn off the power after use.
b. Do not mix different types or sizes of batteries.
120 140 160
Systolic Blood Pressure (SBP)
c. Change all batteries at the same time. Do not mix old and new batteries.
d. Be sure to insert batteries with correct polarity, as instructed.
e. Remove batteries when they are worn out, and dispose of them
properly according to all applicable environmental regulations.
f. Do not disassemble batteries or throw them into a fire.
g. Do not short-circuit batteries.
If your systolic pressure falls in one category but your diastolic pressure in
another, your level is classified in the higher of the two categories.
*JNC 7: The Seventh Report of the Joint National Committee on Prevention,
Detection, Evaluation and Treatment of High Blood Pressure
National Institute of Health (NIH) Publication; No. 03-5233, May 2003
h. Do not attempt to recharge the batteries included with the unit.
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IMPORTANT:
Name and Function of Each Product Part
Fig. 1
• Do not be alarmed by temporarily high or low readings because
fluctuations in a person’s blood pressure are not uncommon. If possible,
measure and record your blood pressure at the same time every day, and
consult your physician if you have questions or concerns.
• If abnormal variations in blood pressure are observed in measurement,
please consult your physician.
Main Body
View from side
Blood Pressure
Indicator LED
Set Button
Adjust Button
2cm gauge
1
2
Battery
Cover
12
0
80
Display
Memory/Recall
Button
Storage Case
On/Off and
Start Button
Pressure Cuff
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Preparations prior to taking measurements
Setting the time and date
Fig. 3-a
1. Remove the unit from its storage case
Having inserted the batteries, set the time and date so that any future stored
measurements are saved in the memory with the correct time and date.
(Fig. 3-a).
2. Push the battery cover in the directon of
the arrow.
Fig. 4-a
1. Press the Set button “1” on the side of the unit for
at least 3 seconds.
The displayed date will flash on and off (Fig. 4-a).
Insert two 1.5V alkaline batteries
(AAA/LR03), ensuring the correct polarity
Fig. 3-b
(Fig. 3-b).
If the date and time have already been set and
Fig. 4-b
the button is not held pressed long enough,
the display will change to the measurement
notification sound setting display.
3. Slide the battery cover back into place on
the main body until it clicks in place (Fig.
3-c).
Fig. 4-c
2. Adjust the month.
Press the Adjust button “2” to adjust the number
of the month (Figs. 4-b and 4-c).
Battery cover
3. Adjust the date.
Fig. 4-d
(1) Press the Set button “1” and the number for
the date will flash (Fig. 4-d).
Fig. 3-c
0
1
2
80
(2) Press the Adjust button “2” to adjust the
number of the date.
Fig. 4-e
4. Adjust the hour.
(1) Press the Set button “1” and the number for
the hour will flash (Fig. 4-e).
Fig. 4-f
(2) Press the Adjust button “2” to adjust the
number of the hour.
When to Change Batteries
Fig. 2
5. Adjust the minutes.
Change the batteries when the battery symbol (Fig.
2) appears on the display or when no data is
displayed even when the On/Off button is pressed.
(1) Press the Set button “1” and the number for
minutes will flash (Fig. 4-f).
(2) Press the Adjust button “2” to adjust the
number of minutes.
Change Battery Symbol
6. Finally, synchronizing with a time signal, press
the Set button “1” to complete the procedure.
NOTES: • Batteries are included only for testing purposes and with no
guarantee of battery life.
• Do not mix old and new batteries.
• The batteries’ power output is impaired at low temperatures.
7. Press the On/Off and Start button to turn off the unit.
Caution: Do not throw batteries into a fire. Doing so may result in an
accident or explosion.
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Correction of the time and date
Turn off the unit. Press the Set button “1” on the side of the unit. Then
correct the time and date as described above.
• Please take care to reset the date during a leap year, as the 29th of
February will be displayed as the 1st of March.
Positioning the Pressure Cuff
CAUTIONS:
• Do not use the unit for any purpose other than measuring blood
pressure. Also, do not use the unit in conjunction with other devices.
Improper use may cause a malfunction or personal injury.
When the batteries are removed, the date, time, and measurement record
are erased. Set the date and time again the next time you use the unit.
• Keep the unit out of the reach of children.
Fig. 5-a
1. Remove your watch and any jewelry from
First wrinkle line of
wrist-palm joint
your left hand.
2. Wrapping the cuff around the wrist and
securing with hook-and-loop fastener.
1
2
0
80
Leave main unit at the distance of 2 cm (3/4")
from the first wrinkle line of wrist-palm joint,
mount the cuff on the wrist in such way as the
center of the main unit locates at the center of
the wrist (Fig. 5-a).
2 cm (3/4")
Center of the wrist
3. Attach the right thumb on the harder part
intensely from the side so that the right side
of the cuff is sure to be fixed on the side face
of the wrist, secure and attach the hook-and-
loop fastener snugly until not feeling it
oppressed.
Fig. 5-b
Confirm the both center of wrist and main unit
is still on the same line, and tightness of the
fixing (Fig. 5-c).
Fig. 5-c
• Pull up on the fastener,
without twisting it, to
remove the unit from
your wrist.
Center of the main unit
Center of the wrist
Loop fastener
Harder of the cuff
(Outside: Hook fastener)
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If the blood pressure monitor is
positioned lower than the heart, the
measured blood pressure value
may be high.
If the blood pressure monitor is
positioned higher than the heart,
the measured blood pressure value
may be low.
Correct Position for Blood Pressure Measurement
When measuring your blood pressure at your wrist, the pressure cuff must
be at heart level to ensure consistent, accurate readings.
Always rest for about four to five minutes before taking measurements.
Press the On/Off and Start button to start a measurement. The cuff will
automatically inflate and then deflate when the measurement is complete.
Taking measurements while sitting down
1. Rest your elbows on a table or
Fig. 6-a
If the posture applies pressure to
the stomach (leaning forward),
accurate measurements may not
be possible.
Do not touch the blood pressure
monitor while taking
measurements.
other level surface.
2. Hold the arm so that the cuff is at
heart level.
3. With the palm of the hand facing
up, release any tenseness in
your muscles.
• Slightly extend your fingers.
• Slightly bend your wrist.
Fig. 6-b
Do not move your body, your arm,
or your fingers while taking
measurements.
Do not talk while taking
measurements.
When measuring in a sitting position,
lightly clench the hand of the arm not
fitted with the blood pressure monitor
and rest it on the table.
Fig. 6-c
If measurements are taken with the
wrist or hand in the following positions,
accurate measurements may not be
possible.
Do not use close to cellular phones or other devices which emit
electromagnetic waves. Doing so may result in malfunction.
Wrist is bent
inwards.
Wrist is tense and
fist is being made.
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IMPORTANT:
Measuring Your Blood Pressure
• Measure your blood pressure at the same time and under the same
conditions every day if possible. The ideal time to measure your blood
pressure is in the morning immediately after waking up, while you are still
relatively calm. If this is not possible, try to take your blood pressure prior
to breakfast, before you become active.
• Relax and take measurements in a comfortable position.
• Rest for at least 5 minutes before taking a measurement.
• Keep still and do not speak during measurement. Blood pressure can
fluctuate with the slightest change, such as tensing your muscles or
changing your posture.
Fig. 7-a
Relax during measurements.
1. Press the On/Off and Start button (Fig. 7-a).
• All displays on the unit will light up for approx. 2
seconds (Fig. 7-b).
• The cuff will begin to inflate automatically.
Fig. 7-b
Fig. 7-c
Fig. 7-d
Changing inflation speeds and operating sounds
occur during inflation and are a normal part of the
measurements that are being performed at this time.
2. With fingers lightly clenched to form a fist, position your
free hand beneath the arm of the wrist being measured.
• Once your pulse rate is detected, the
on the display (Fig. 7-c).
mark will flash
• The
will be lit up when the reminder alarm is set.
(See page 20 for instructions on setting and checking
reminder-alarm times.)
3. Blood pressure values together with pulse rate are
displayed when the measurement is complete with
sounds (Fig. 7-d).
• The air in the pressure cuff is released automatically.
• The blood pressure sign LEDs light up (for approx. 6
seconds) indicating your blood pressure level.
• Displayed readings will flash (for approx. 6 seconds)
when in the high blood pressure range.
(See page 17 for information on how to read the blood
pressure sign LEDs.)
• The
mark will flash on the screen to indicate that
readings may be recorded.
(See page 18 for information on how to record blood
pressure readings.)
• The displayed pulse rate indicates the number of
heartbeats per minute as calculated from the number
of heartbeats recorded during the measurement.
Fig. 7-e
4. Press the On/Off and Start button to switch off the unit
(Fig. 7-e).
• If you forget to switch the unit off, it will do so
automatically after approx. 5 minutes.
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Alarm function signals high blood pressure
CAUTION:
• For persons with poor circulation resulting from diabetes, liver disease,
arteriosclerosis, high blood pressure or other conditions, there may be
significant differences in blood pressure values measured at the wrist
versus at the upper arm.
• Do not confuse self-monitoring with self-diagnosis.
• NEVER change a prescribed medication without first consulting with
your physician.
Blood pressure values for both systolic and diastolic readings are
determined and indicated via a three-color LED system as being within
normal or hypertensive ranges based on definitions and classification of
blood pressure levels by the JNC 7. Moreover, when blood pressure is in the
high range, the reading displayed on screen flashes on and off to alert user.
According to JNC 7 Classification, values consistently in excess of 140 mmHg
(Sys.) and/or 90 mmHg (Dia.) are considered to constitute high blood pressure.
Fig. 8
Blood
pressure
Diastolic
sign
(mmHg)
Storing blood pressure readings
LED Colors
Hypertension
(Stage 1, Stage 2)
Fig. 10-a
Orange
(NOTE: The time and date of measurements will not
120
90
display correctly unless set beforehand.)
Yellow
Green
Prehypertension
Normal
1. The
mark will flash after a measurement has
80
80
been completed with sounds (Fig. 10-a).
Press the Memory/Recall button.
2. Memory storage is completed.
120 140 (mmHg)
Systolic
• Readings of up to 90 measurements can be stored in
memory with sounds (Fig. 10-c, 10-d). Readings over
the memory capacity will be recorded over the oldest
measurement in memory.
• Readings cannot be saved when a measurement has
been unsuccessful (display of the error mark
Fig. 10-b
Fig. 9-a
M
/
R
• Blood pressure readings will flash for approx. 6 seconds
when in the high blood pressure range (Fig. 9-a).
Systolic blood pressure: 140 mmHg and over
Diastolic blood pressure: 90 mmHg and over
(Only when measurement is complete)
Fig. 10-c
for
blood pressure readings). Readings can be saved,
however, when the
rate.
mark is displayed for the pulse
When an Error Occurs During Measurement
Fig. 9-b
An will appear on the display to indicate that measurement
(After approx.
one second.)
was unsuccessful and should be performed again (Fig. 9-b).
Before performing another measurement, always press the
On/Off and Start button to turn off the unit and make sure to
allow a rest period of 4 to 5 minutes before starting again.
Fig. 10-d
Please consult your doctor without delay if the blood
pressure indicator repeatedly draws attention to elevated
blood pressure values.
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Calling up readings from memory
Setting (checking) the measurement notification time
Fig. 11-a
Fig. 12-a
Readings can be recalled after being saved without
To let you take measurements at the same time every
having to switch the unit on.
day, 3 times per day can be set as notification times.
1. Press the Memory/Recall button.
1. Press the Set button on the top surface of the blood
pressure monitor (Fig. 12-a).
• Notification Time 1 will blink (Fig. 12-b).
• The average readings of all recorded measurements
are displayed.
Fig. 12-b
• The
mark will be displayed (Fig. 11-a).
* If date and time have not been set, the display will
change to the date/time setting display.
• When, for example, readings from 90 measurements
have been saved the average of the readings from 90
measurements will be displayed.
Fig. 11-b
2. Press the Set button again.
M
/
R
• The
and
will blink (Fig. 12-c).
2. Press the Memory/Recall button to display readings
starting with from the most recent measurement.
• Each time the Memory/Recall button is pressed
readings are displayed in order of the most recent
measurement (Fig. 11-c, 11-d).
3. Press the Adjust button to display
.
Fig. 12-c
Fig. 12-d
Fig. 12-e
Fig. 11-c
• The
and
will blink (Fig. 12-d).
•
•
Notification sound will sound.
Notification sound will not sound.
is displayed and the Set button is
• No readings will be displayed when there are none in
the memory.
• When
pressed, the time becomes
and will light.
and the
3. Press the On/Off and Start button to switch off the
unit.
(After approx.
one second.)
If you forget to switch off the unit it will do so
automatically after approx. 30 seconds.
4. (1) Press the Set button. The hour value will blink
(Fig. 12-e).
Fig. 11-d
(2) Press the Adjust button repeatedly to set the
desired hour.
Deleting all data stored in memory
(1) Recall stored data using the Memory/Recall button.
(2) Press the Memory/Recall button again and hold it (for approx. 3
seconds) until all readings are deleted.
NOTE: Readings from individual measurements cannot be deleted.
(3) When data has been deleted the
displayed on the screen.
mark and
will be
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Fig. 12-f
Fig. 12-g
Fig. 12-h
5. (1) Oprima el botón Puesta. El valor de los minutos
destellará (Fig. 12-f).
To change the notification time setting:
1. Press the Set button on the top surface of the blood pressure monitor.
(Notification Time 1 will blink.)
• To change the setting for Notification Time 2 or 3, press the Change
button to display Notification Time 2 or 3.
(2) Oprima el botón Ajustar repetidamente para
establecer los minutos deseados.
• Para ajustar sólo la Hora de Notificación 1,
oprima el botón Arrancar/Parar para comletar el
ajuste.
2. Press the Set button twice. The hour value will blink.
3. Press the Adjust button repeatedly to set the desired hour.
4. (1) Press the Set button. The minute value will blink
(2) Press the Adjust button repeatedly to set the desired minute.
5. Press the Start/Stop button to complete the setting.
• Para ajustar las Horas de Notificación 2 y 3, siga
los pasos 6 y 7 de más abajo.
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7
Oprima el botón Puesta. La Hora de Notificación 2
destellará (Fig. 12-g). Repita los pasos 2 a 5 para
establecer la hora de notificación deseada.
Cuando se ha completado el ajuste de la Hora de
Notificación 2, oprima el botón Puesta. La Hora de
Notificación 3 destellará. Repita los pasos 2 a 5 para
establecer la hora de notificación deseada.
To cancel the measurement notification sound:
1. Press the Set button on the top surface of the blood pressure monitor.
(Notification Time 1 will blink.)
• To change the setting for Notification Time 2 or 3, press the Adjust button
to display Notification Time 2 or 3.
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Cuando el ajuste de la Hora de Notificación 3 ha sido
completado, oprima el botón Puesta. Las horas
ajustadas para las Horas de Notificación 1 a 3 serán
mostradas automáticamente a intervalos de 2
segundos (Fig. 12-h).
2. Press the Set button once. The
and
will blink.
3. Press the Adjust button. will be displayed.
4. Press the Start/Stop button to complete the setting.
• When the set time is reached, the measurement notification sound will
sound to notify you that it's time to take a measurement.
Fig. 12-i
Para completar el ajuste, oprima el botón
Arrancar/Parar.
• If the set time is reached in the middle of taking a measurement, the
measurement notification sound will not sound.
• When the measurement notification sound sounds, it can be stopped by
pressing the Start/Stop button. If the button is not pressed, the sound
stops after 1 minute.
• If the blood pressure monitor is put into a bag, desk, etc., it may not be
possible to hear the measurement notification sound.
Advice:
If a record table is made of the measurement values taken around the same
time, you can easily see your own daily blood pressure changes.
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Care and Maintenance
Troubleshooting
1. Use a dry, soft cloth to clean the device. If desired, use a cloth lightly
dampened with tap water and a mild detergent to clean the device.
DO NOT use alcohol, benzine, thinner or other harsh chemicals to clean
the device or cuff.
Display
Status before error
Check points
Pressurization to above
280 mmHg was
performed.
(Re-pressurization was
performed several
times.)
Check whether
measurements are
being taken correctly
and whether you are
assuming the correct
posture. Make sure
the unit is on the palm
side of the wrist.
2. When the unit will not be used for a long time (30 days or more), be sure
to remove the batteries. Otherwise, the batteries may leak and damage
the unit.
The “E” blinks on
the display
NOTE: When the batteries are removed, the date, time, and measurement
record are erased. Set the date and time again the next time you
use the unit.
Pressure decreased
suddenly and
(See pages 12-13.)
appeared in the display.
Storing the Monitor
Fig. 13-a
mark only blinks a
few times, or not at all.
Check whether the
pressure cuff is
attached to your wrist
correctly. Make sure
the unit is on the palm
side of the wrist.
1. Fold the pressure cuff as indicated.
(Fig. 13-a)
2. Put the blood pressure monitor in
the storage case. (Fig. 13-b)
• Be sure not to pinch the pressure
cuff or 2cm gauge when closing the
case.
Cuff does not inflate.
(See page 12.)
If the 2cm gauge is attached,
straighten it out.
Fig. 13-b
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If the unit still appears to provide unusual or erroneous readings,
consult your physician. If the unit does not appear to be functioning
properly, contact Panasonic at 1-800-338-0552.
Symptom
Possible cause
The systolic pressure
value or diastolic
• The hand with the cuff was held too low and
not at heart level. (See page 12)
pressure value is high.
• The cuff was not attached properly. (See
page 12.)
Specifications
• You moved your hand or body or you spoke
during measurement. (See page 12.)
Method of measurement: Oscillometric System
The systolic pressure
value or diastolic
• The hand with the cuff was held too high and
not at heart level. (See page 12.)
Display:
Digital LCD
pressure value is low.
• You moved your hand or body or you spoke
during measurement. (See page 12.)
Measuring range:
Blood pressure: 0 - 280 mmHg
Pulse rate: 30 - 160 pulse/min.
The measured values
differ significantly.
• Your posture was not the same for all
measurements, or measurements were
taken without sufficient time in between.
Always wait approximately 5 minutes before
taking another reading, and above all, relax.
Measurement accuracy:
Pressure: 3 mmHg
Pulse rate: 5%
Power source:
Two 1.5-volt alkaline (AAA/LR03) batteries
Operating environment:
10°C to 40°C (50°F to 104°F)
30% to 85% RH
The measured value
differs from that
measured by the doctor.
The measured value is
different for each
• Blood pressure varies in response to
minute changes in your mental state, such
as your reaction to your doctor taking the
measurement. One way to check this is to
bring the unit to your doctor’s office and
directly compare the readings taken by
your physician.
Storage environment:
-20°C to 60°C (-4°F to 140°F)
10% to 95% RH
measurement.
Wrist circumference
measurement range:
12.5 to 22.0 cm (5" to 8-3/4")
• Relax for at least 5 minutes and then take
another measurement.
Dimensions (H#W#D): 54.0#83.0#26.0 mm
(2-1/8"#2-1/4"#1-1/32")
Varying sounds and
pressurization speeds
occur during inflation of
the cuff.
• Changes in operating sounds and
pressurization speeds are normal and occur
due to the fact that measurements are
being made as the cuff is being inflated.
Weight:
90 g (3.2 oz.) not including batteries
Specifications are subject to change without notice.
The measured value
obtained is different
from that measured at
the upper arm.
• For persons with certain circulation problems,
there may be substantial differences in
blood pressure values measured at the
upper arm versus at the wrist.
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