DIGITAL BLOOD PRESSURE MONIT OR
Diastolic blood pressure
display section
TM
INSTRUCTION MANUAL
FOR
REF CH-491 E
IDENTIFICATION OF PARTS
Systolic blood pressure display section
Memory display section
English
Time correcting
switch
Time setting
switch
Memory clear switch
Memory recall switch
Cuff
CORRECT
A
M
P
M
SET
CLEAR
RECALL
Pulse display section
Tube
電
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血
圧
計
CHー
A
M
P
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D
IA
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PULSE/min
MODE
Air connector
491E
S
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TO
LIC
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g
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TA
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T
— Eng 1 —
Reset switch
Start switch
Mode switch
Battery cover
SPECIFICATIONS
Measuring method: Oscillometric system
Indication: Digital display, Height: 16mm
Measuring range: Pressure; 0 ~ 280mmHg, Pulse; 40 ~ 180 beat/min.
Accuracy: Pressure; ±3mmHg, Pulse; ±5%
Inflation: Automatic inflation at suitable level by internal pump
Deflation: Electromagnetic valve
Memory function: 30 data (data, time, blood pressure values, pulse)
Clock: ±20 seconds a month, Full Auto-calendar, Alarm
Power source: 4 “AA” (LR6) Alkaline batteries
Battery life: Approx. 500 times/LR6 (once a day, 170mmHg, room temp. 22°C)
Rated voltage: 6V DC
Working temp. & humidity: +10°C ~ +40°C, 30 to 85%RH
Storage temp. & humidity: –20°C ~ +60°C, 10 to 95%RH
Outside dimensions: 183mm(W) × 199mm(D) × 80mm(H)
Weight: 740g (Apparatus, cuff and batteries)
Electric shock protection: Type B equipment
Accessories: Preformed Cuff, 4 “AA” (LR6) batteries, Instruction manual
*Specifications and designs may be changed without notice in the event of improvements being made.
Digital Graphic memory display
CLEANING METHOD OF CUFF
After cleaning the cuff with a neutral detergent, lightly rinse it
with water and let it dry in the air. Hard rubbing or washing in a
GENERAL REMARKS
General Remarks on blood pressure measurement
• If the cuff is to be deflated quickly , depress “POWER” s witch.
• The attached cuff is suited for an arm circumstance of 22cm
to 32cm.
• When attaching the cuff, rubber cuff hose should be placed
on the inside of your arm on top of the arterial.
• Self measurement is no therapy! In no case may you change
the dosage of medication prescribed by your physician.
• In operation for blood pressure measurement, you should
urinate and should remain relatively still for 10 to 15 min-
washing machine will cause air leakage. Also, be careful not to
get water into the air hose.
utes prior to measurement.
• Exercise, eating and drinking, smoking, etc., prior to measurement may affect the results.
• The blood pressure varies constantly throughout the day.
Measurement should be made regularly at the same time
each day.
• Do NOT be impressed by the results of one measurement.
Keep a record of blood pressure variations. Many readings
tell a story.
• Emotional stress may tend to cause pressure to rise.
— Eng 2 —
For proper measurement of blood pressure
• Take a deep breath five or six time and then relax before
measuring blood pressure. If you are tense when taking
the measurement, you will not get a valid reading.
• Blood pressure will be elevated when you are in a worrisome or irritated state, suffering from lack of sleep or constipation, or after exercise or a meal.
• Putting on the cuff is one of the most important tasks for
ensuring proper measurement of blood pressure.
the cuff around the arm and tighten it so that one
finger may be inserted between the cuff and arm.
• Do NOT measure blood pressure after bathing or drinking.
• When you feel like relieving yourself, you should do so before measuring blood pressure.
Wind
PRECAUTION FOR USE AND MAINTENANCE
• Measure blood pressure where the room temperature is
about 20°C. Do NOT measure blood pressure when it is
too cold (below 10°C) or too hot (above 40°C) in the room.
• Do NOT measure blood pressure immediately after drinking coffee or tea or smoking.
• Measure blood pressure with a relaxed and quiet posture.
Keep the center of the cuff at the level of your heart, and
do NOT move your arm or talk during measurement.
• Do NOT keep on measuring so many times, as your arm
will have built up congestion of blood, and you will not get a
valid reading.
English
Precautions for use
• If you suffer from heart disease, high blood pressure or
other circulatory disease, please consult your doctor first.
• If you feel abnormal pressure of the cuff during use or any
other irregularity, reduce the pressure by immediately
switching off the power or removing the batteries and consult the sales outlet where purchased.
• If you think the measured value is abnormal or if measuring makes you feel unwell, discontinue use and consult y our
doctor.
• Measurement of blood pressure may not be possible for
someone with a weak pulse or arrhythmia.
• Congestion, swelling, etc. may occur in some people.
• If blood pressure is measured repeatedly, an accurate
result will not be achieved. An interval of about 10 minutes
should be allowed.
• The memory is erased if the batteries are removed for replacement, etc. and a record should be kept of any necessary data.
Precautions for maintenance
• Do NOT store the blood pressure monitor where it will be
exposed to direct sunlight, high temperature (over 60°C),
low temperature (below –20°C), high relative humidity (over
95%) or in a dusty place.
• Do NOT expose the blood pressure monitor to under force
or vibration, or drop it.
• Remove the battery/batteries when not in use for a long
period.
• Do NOT disassemble the apparatus.
• Do NOT bend the cuff or air hose unnecessarily.
• NEVER wipe the blood pressure monitor with thinner or
benzene, as they may damage it.
• When the monitor is very dirty, wipe it clean with a cloth
moistened with Sterilizing alcohol or a neutral detergent,
and then wipe it with a dry cloth. Do NOT use thinner or
benzene.
Nature and frequency of maintenance:
This products is designed for use over an extended period of
time; however, it is generally recommended that it be inspected
every two years to ensure proper function and performance.
Protect the nature environment:
Please help protect natural environment by respecting national
and/or local recycling regulations when disposing of the batteries and the products at the end of their useful lives.
Reference European standard:
This products complies with EC instructions 93/42/EEC (Medical Device Directive) and with the follo wing standards: EN 10601: 1995 “Noninvasive Sphygmomanometers, Part 1 General
Requirements” and EN 1060-3: 1997 “Noninvasive Sphygmomanometers, Part 3 Supplementary Requirements for Electromechanical Blood-Pressure Measuring Systems.
— Eng 3 —
Manufacturer:
Name: Premier Precision Ltd.
Address: Block E, G-H, 6
Factory Building,
73-75 Hoi Yuen Road, Kwun Tong, Kowloon,
Hong Kong
th
floor, Phase 2, Yip Fat
European Representative:
Name: WvW elektronische Geräte Vertrieb GmbH.
Address: Robert-Koch-Straße 20, D-80538 München,
GERMANY
CLOCK MODE
1. Default Time Indicating State and
Selection of Each Mode
• When the battery is installed, the time,
date and alarm are set as follows.
AM
Date and time : January 1 1998,
12:00:00 AM
(12-hour system is selected)
Alarm : 12:00 AM (Turned off)
• Each time the time setting switch is
pressed, the alarm is turn ON or OFF
(See 11).
• If the mode switch is pressed, the meter is set to the 0
take-in state in the blood pressure meter mode.
• The alarm works only in the time indicating state.
• If the time correcting switch is pressed for approx. one
second, the meter is set to the alarm minute correcting
state.
2. Alarm Minute Correcting State
q Press the time setting switch until the
correct value of the minute is indi-
AMPM
w To correct the alarm hour, press the time correcting
switch, and the meter is set to the alarm hour correcting
state.
e Press the mode switch to finish correction.
cated.
(Each time the time setting switch is
pressed, the value of the minute is increased by one. The value of the
minute can be corrected in only the
forward direction. It can be corrected
quickly by keeping the time setting
switch pressed.)
3. Alarm Hour Correcting State
q Press the time setting switch until the
correct value of the hour is indicated.
AMPM
(Each time the time setting switch is
pressed, the value of the hour is increased by one. The v alue of the hour
can be corrected in only the forward
direction. It can be corrected quickly
by keeping the time setting switch
pressed.)
w To correct the clock second, press the time correcting
switch, and the meter is set to the clock second correcting state.
e Press the mode switch to finish correction.
4. Clock Second Correcting State
q When the time signal of 00 second
sounds, press the time setting switch
AMPM
w To correct the clock minute, press the time correcting
switch, and the meter is set to the clock minute correcting state.
e Press the mode switch to finish correction.
to set the second to 00.
(If a value between 30 seconds and
59 seconds is corrected, the value of
the minute is increased by one. If a
value between 0 second and 29 seconds is corrected, the value of the
minute is not changed.)
— Eng 4 —
5. Clock Minute Correcting State
q Press the time setting switch until the
correct value of the minute is indi-
AMPM
cated.
(Each time the time setting switch is
pressed, the value of the minute is
increased by one. The value of the
minute can be corrected in only the
forward direction. It can be corrected
quickly by keeping the time setting
switch pressed.)
w To correct the cloc k hour, press the time correcting s witch,
and the meter is set to the clock hour correcting state.
e Press the mode switch to finish correction.
6. Clock Hour Correcting State
q Press the time setting switch until the
correct value of the hour is indicated.
AMPM
(Each time the time setting switch is
pressed, the value of the hour is increased by one. The value of the hour
can be corrected in only the forward
direction. It can be corrected quickly
by keeping the time setting switch
pressed.)
w To correct the y ear , press the time correcting s witch, and
the meter is set to the year correcting state.
e Press the mode switch to finish correction.
7. Year Correcting State
q Press the time setting switch until the
correct value of the year is indicated.
AMPM
(Each time the time setting switch is
pressed, the value of the year is increased by one. The value of the year
can be corrected in only the forward
direction. It is increased from 1998 to
2097, then set to 1998 again. It can
be corrected quickly by keeping the
time setting switch pressed.)
w To correct the month, press the time correcting switch,
and the meter is set to the month correcting state.
e Press the mode switch to finish correction.
8. Month Correcting State
q Press the time setting switch until the correct value of
the month is indicated.
(Each time the time setting switch is pressed, the value
of the month is increased by one. The value of the month
can be corrected in only the forward
direction. It can be corrected quickly
AMPM
by keeping the time setting switch
pressed.)
w T o correct the day, press the time cor-
recting switch, and the meter is set to
the day correcting state.
e Press the mode switch to finish cor-
rection.
9. Day Correcting State
q Press the time setting switch until the
correct value of the day is indicated.
AMPM
(Each time the time setting switch is
pressed, the value of the day is increased by one. The value of the day
can be corrected in only the forward
direction. It can be corrected quickly
by keeping the time setting switch
pressed.)
w To correct the 12/24-hour, press the time correcting
switch, and the meter is set to the 12/24-hour correcting
state.
e Press the mode switch to finish correction.
10. 12/24-hour System Correcting State
q Press the time setting switch to select
12-hour or 24-hour system.
(If the time setting switch is pressed,
system which is not currently selected
starts flashing.)
w Press the mode switch or time correct-
ing switch to finish correction. The
meter is set to the time indicating
state.
11. Turning ON/OFF the Alarm
q If the time setting switch is pressed while the bell mark
(alarm) is turned off, the set alarm time is indicated for
0.5 seconds, then the bell mark lights up.
Time
setting
AMPM AM AMPM
switch
0.5 seconds
English
Time
setting
switch
— Eng 5 —
MEASUREMENTS
1. Selection of Measuring Mode
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電
A
Insert the air connector from
the cuff into the tube socket
at the mainframe until it is
tightly connected.
電
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DIASTOLIC
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PULSE/min
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MODE
Press on the mode switch.
While the time is indicated.
If the Mode switch is pressed, the
mark of “Q” lights up and the buzzer
sounds for one second.
After the mark of “Q” goes off, the
buzzer sounds three times at the interval of 100ms, then the meter is automatically set to the state to wait for
pressurization.
2. Attaching of Arm Cuff and Posture During
Measurement
Unfasten and open the cuff as shown
in the figure.
Wind the arm cuff around the left upper arm tightly so that
bottom edge of the cuff is positioned about 2 – 3 cm above
the elbow joint.
2〜3cm
• When you will wind the cuff, please wind the cuff next
to the skin of possible.
(If measurement is made by rolling the shirts or jacket
up over the arm, this will constrict the upper arm and
prevent accurate measurement.)
• Rubber cuff hose should be placed on the inside of your
arm on top of the arteria as figure.
— Eng 6 —
• Please make sure that the cuff is fastened tightly. Note
that uneven cuff winding will prevent proper measurement.
If the pulse is recognized, the pressure
is shifted to the diastolic blood pressure
display section and changed over, synchronized with the pulse.
English
Rest the elbow on a table so that the section of the upper
arm is at the height of the heart. Relax the lower arm across
the table and remain still, since movement - artifacts may
falsify the measuring result.
Make measurements in either a seated or reclining posture with the palm turned upward.
3. To Start the Measurement
電子血圧計CHー491E
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SET
Press the “START Switch”.
The arm cuff pressurizes when “START Switch” is pressed.
When a measurement need be made again, the time between two measurements must be at least ten minutes.
g
DIASTOLIC
k
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a
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START
CLEAR
PULSE/min
RECALL
M
O
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After the “START Switch” is pressed, the
pressure is automatically heightened to
the level for measurement of the blood
pressure.
When the pressure lowers by 15mmHg
after pressurization stops, the mark of
“Q” lights up.
The buzzer sounds for two seconds,
then the systolic blood pressure, diastolic blood pressure and pulse are indicated and the air is discharged. The
measured data are registered automatically , as long as they are not error. If the
measured data do not need to be stored,
press the memory clear switch for 1 seconds or more while the measured data
are indicated.
4. Memory Recall
電子血圧計CHー491E
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SET
q If the memory recall switch is pressed, the memory No.
is indicated for about 0.5 seconds, then the measured
values (blood pressure, date of measurement) are indicated.
w Each time the memory recall switch is pressed and re-
leased quickly, the memory data are indicated one by
one. If the memory recall switch is kept pressed, the
memories are fed fast and only the memory Nos. are
indicated.
When the memory recall switch is released, the memory
date are indicated.
e When a new data is registered after 30 data, the oldest
data is deleted and the newest one is registered.
Hg
DIASTOLIC
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START
CLEAR
PULSE/min
RECALL
M
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— Eng 7 —
If the memory recall switch is pressed, the average values of the
all stored data (systolic blood pressure, diastolic blood pressure,
and pulse) are indicated first.
200
120
40
5
10 15 20 25 30
If the memory recall switch is pressed further, the newest data
are indicated.
200
PM
120
40
5
10 15 20 25 30
If the memory recall switch is pressed further, the old data are
indicated in the order of the time series.
200
PM
120
40
5
10 15 20 25 30
5. Deletion of Memory Data
電子血圧計CHー491E
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SET
Hg
DIASTOLIC
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m
Hg
START
CLEAR
PULSE/min
RECALL
M
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w The data at the left end has No. 1, and the newest data
is at the right end.
Caution:
— A new blood pressure is registered automatically after it is
measured.
— Memory recall function does not work during automatic infla-
tion and blood pressure measurement are being made.
— By depressing of “Reset terminal” on the rear side of instru-
ment, data (blood pressure value, pulse and date) are all
cleared.
7. Automatic Mode Change Function
The blood-pressure meter is automatically set in the clock
mode approximately 3 minutes after the blood pressure is
measured.
8. Battery Replacement
If the batteries become weak, the “ ” mark will appear in
the display, indicating that batteries should be replaced with
new one. Dispose of the dead batteries properly to preserve
the environment.
Remove the battery cover at
mainframe and replace the four
pieces of batteries.
Type “AA” battery or equivalent is
suitable for this blood pressure
monitor.
Finish the battery replacement
procedure within 2 minutes. If it
takes more than 2 minutes to finish the procedure, the saved data
will be lost. It is recommended to
take notes of important data before replacing the battery.
q Press and hold the Memory clear switch for one second
or longer while a data to be deleted is indicated on the
digital indicator unit. After that data is deleted, the buzz er
sounds for 100ms.
w To clear the all memory data, including the av er age val-
ues, press and hold the Memory clear switch for eight
seconds.
6. Graphic Indication
q Data are indicated graphically only in the Measurements
mode.
— Eng 8 —
Batteries are dead.
Battery will be dead soon.
This is rough indication and dispersed,
depending on batteries.
Batteries are normal.
* Depending on the battery,
may not be on the display.
DESCRIPTION OF DISPLAY MARKS
DISPLAY MARK CONDITION/CAUSE CORRECTIVE ACTION
English
Measurement is begun, but the pressure was insufficient.
Appears when the blood pressure could not be
measured accurately. (Some noises were detected by the movement of arm during measurement.)
Appears when the pulse could not be measured.
Appears when the batteries become weak.
Device has a trouble.
Repeat measurement again.
Repeat measurement again.
First, exhaust air from the cuff, reapply the cuff
properly and remeasure.
Repeat measurement again.
Replace the batteries.
Ask purchased shop.
— Eng 9 —
●CITIZEN is a registered trademark of Citizen Watch Co., Japan.
Consumer Electronics Division
CBM Bldg. 5F, 5-68-10, Nakano, Nakano-ku, Tokyo 164-0001, Japan
Phone: (03)5345-7430 Fax: (03)5345-7431 E-mail: info-con@jcbm.co.jp
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