English

TM

INSTRUCTION MANUALFORDIGITAL BLOOD PRESSURE MONITORREF CH-403C
IDENTIFICATION OF PARTS
Cuff

Battery cover
Memory reset switch

Systolic blood pressure
display section
Diastolic blood pressure/
Pulse display section

Hose socket

CH-403C

SELECTMEMORY

START

POWER

Power switch
Start switch
Memory recall switch
Pressure setting switch

Hose plug
Rubber cuff hose

- Eng 1 -SPECIFICATIONS
Measuring method:
Indication:
Measuring range:
Accuracy:
Inflation:
Pressurization setting:Deflation:
Exhaust:Memory function:
Power source:
Battery life:
Rated voltage:
Working temp. & humidity:
Storage temp. & humidity:
Outside dimensions:
Weight:Electric shock protection:
Accessories:

Oscillometric system
Digital display, Height: 19mm
Pressure; 0 ⬃ 280mmHg, Pulse; 40 ⬃ 200 beat/min.
Pressure; ±3mmHg, Pulse; ±5%
Automatic inflation by internal pump
4 stage: 130, 160, 200, 250mmHg
Automatic constant speed deflation system
Quick exhaust by electromagnetic valve
7 data4 “AA” (R6P, LR6) batteries
Approx. 400 times/LR6 Approx. 200 times/R6P(once a day, 160mmHg, room temp. 22°C)
6V DC+10°C ⬃ +40°C, 30% ⬃ 85%RH–20°C ⬃ +60°C, 10% ⬃ 95%RH
135mm(W) × 130mm(D) × 50.5mm(H)Approx. 360g (Apparatus and batteries)
Type B equipment
Cuff, 4 “AA” (R6P) batteries, Instruction manual*Specifications may be changed without notice in the event of improvements being made.

- Eng 2 -

After cleaning the cuff with a neutral detergent, lightly rinse itwith water and let it dry in the air. Hard rubbing or washingin a washing machine will cause air leakage. Also, be careful
not to get water into the air hose.

GENERAL REMARKS
General Remarks on blood pressure
measurement

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. Wind thecuff 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.
• Measure blood pressure where the room temperature isabout 20˚C. Do NOT measure blood pressure when it is toocold (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.

• If the cuff is to be deflated quickly, depress “POWER” switch.
• The attached cuff is suited for an arm circumstance of 22cm to
32cm.
• When attaching the cuff, rubber cuff hose should be placedon 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 minutes 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 3 -English

CLEANING METHOD OF CUFF

• 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 geta valid reading.

PRECAUTION FOR USE AND MAINTENANCE
Precautions for use

Precautions for maintenance• If you suffer from heart disease, high blood pressure orother 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 yourdoctor.
• Measurement of blood pressure may not be possible forsomeone 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.

• 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 (over95%) 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 clothmoistened 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 oftime; however, it is generally recommended that it be inspected
every two years to ensure proper function and performance.

- Eng 4 -Manufacturer:

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.

Name:
Address:

Reference European standard:This products complies with EC instructions 93/42/EEC (Medical Device Directive) and with the following standards: EN
1060-1: 1995 “Noninvasive Sphygmomanometers, Part 1
General Requirements” and EN 1060-3: 1997 “Noninvasive
Sphygmo-manometers, Part 3 Supplementary Requirements
for Electromechanical Blood-Pressure Measuring Systems”.

Premier Precision Ltd.
Block E, G-H, 6 th floor,
Phase 2, Yip Fat Factory Building,73-75 Hoi Yuen Road,
Kwun Tong, Kowloon, Hong Kong

European Representative:
Name:
Address:WvW elektronische Geräte Vertrieb GmbH.
Robert-Koch-Straße 20,
D-80538 München,
GERMANYMEASUREMENTS
1. Turn power ON
CH-40
3C

SELECT
MEMO
RY
START

Insert the Hose plug from the cuff into the hose socket atthe mainframe until it is tightly connected.

POWE
R

Press the “Power switch” for power ON.

- Eng 5 -EnglishProtect the nature environment:

SYSTOLIC mmHg

AVE.

1

2

3

4

SYSTOLIC mmHg

DIASTOLIC mmHg

5

6

7

PULSE/min

AVE.

1

2

3

4

DIASTOLIC mmHg

5

6

7

PULSE/min

All display marks appear for approx. 1
second and buzzer beeps.
SYSTOLIC mmHg

SYSTOLIC mmHg

DIASTOLIC mmHg

AVE.

1

2

3

4

DIASTOLIC mmHg

5

6

7

PULSE/min

Ready for measurement
AVE.

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7

PULSE/min

2. Attaching of arm cuff and posture during
measurement

After all display marks are disappeared,
deflation mark “▼” appears for approx.
1 second (three short beeps notify youof ready for measurement) then the lastpressure setting value appears forapprox. 3 seconds. Then the “0 ” appears
at the display.

Unfasten and open the cuff as figure.

- Eng 6 -EnglishWind the arm cuff around the left upper arm tightly so thatthe bottom edge of the cuff is positioned about 1-2 cm (about
1 inch) above the elbow joint.

The cuff should be wound so that one finger can be inserted under the cuff. Note that uneven cuff winding will
prevent proper measurements.

1 – 2cm• When you wind the cuff, please wind the cuff next to theskin as possible. (If measurement is made by rolling theshirts 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 yourarm as figures.
Rest the elbow on a table so that the section of the upperarm is at the height of the heart. Relax the lower arm acrossthe table and remain still.
Make measurements in either a seated or reclining posture.

- Eng 7 -

3. Select the value for pressure for measurement

4. To start the measurement

CH-40

3C

SELECTMEMORY
POWER

START

Press the “Start Switch”.
The arm cuff pressurizes when the “Start Switch” is pressed.

Press the “Pressure Setting Switch” and set the value to avalue approximately 20~30mmHg above your normal systolicblood pressure.

SYSTOLIC mmHg

DIASTOLIC mmHg

There are 4 settings; 130, 160, 200 and 250mmHg.
After press on the “Pressure Setting Switch”, the set pressure value will be displayed at the left and the right side ofthe display.

AVE.

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2

3

4

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7

PULSE/min

When the pressurization is reached to the set value, air inflation is stopped automatically.
SYSTOLIC mmHg

AVE.

1

2

3

4

DIASTOLIC mmHg

5

6

7

PULSE/min

When pressurization is completed, the automatic exhaustmechanism will gradually reduce arm cuff pressure, and themark “Q” appears indicating that measurement is in progress.

- Eng 8 -

5. Turn power off

DIASTOLIC mmHg

Press the “Power Switch” to turn OFF.

6. Subsequent measurements
AVE.

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7

PULSE/min
CH-40
3C

When a pulse is detected, the pressure value moves to theright side of the display. At this time the mark “Q” flashes
and buzzer sounds.

SELECT
MEMO
RY
START

SYSTOLIC mmHg

AVE.

1

2

3

4

POWE
R

DIASTOLIC mmHg

5

6

7

When a measurement need to be made again, just press the“Start Switch” again.

PULSE/min

When the diastolic pressure value is detected, the measurement is completed and buzzer sounds.
Systolic pressure is displayed on the left and diastolic pressure on the right side of the display.

7. Change of the pressure-setting value
CH-40
3C

2 to 3 seconds after completion of measurements, the mark“▼” appears and air will deflate immediately.
SELECT

SYSTOLIC mmHg

AVE.

1

2

3

4

MEMO
RY

DIASTOLIC mmHg

5

6

7

START

POWE
R

PULSE/min

When the pressure setting is needed to be changed, press
the “Pressure Setting Switch” and select optimum value.

2 or 3 seconds later, pressure value and pulse appear alternately on the display.

- Eng 9 -EnglishSYSTOLIC mmHg

8. Memory recall

SYSTOLIC mmHg

DIASTOLIC mmHg

CH-40
3C

AVE.

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2

3

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7

PULSE/min

SELEC
T
MEMO
RY

• By a second depressing of “Memory Recall Switch”, thevalue for latest (last measured value) blood pressure is displayed. The “ ] ” mark shifts to right (from “Ave.” to “1”)and notify that the value is the last measured (newest one)value.

POWE
R

START

This blood pressure monitor has a function which is able todisplay last measured value.
• Press the “Memory Recall Switch” to recall the last measured blood pressure.
The last measured systolic and diastolic blood pressure aredisplayed (Value of the pulse is not memorized nor displayed).
SYSTOLIC mmHg

DIASTOLIC mmHg

SYSTOLIC mmHg

AVE.

1

2

3

4

DIASTOLIC mmHg

5

1

2

3

4

5

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7

7

PULSE/min• By a third depressing of “Memory Recall Switch”, the value
for next later blood pressure is displayed. The “ ] ” markshifts to right (from “1” to “2”) and notify that the value isthe next later one.
SYSTOLIC mmHg

AVE.

6

DIASTOLIC mmHg

PULSE/min• By a first depressing of “Memory Recall Switch”, averaged
blood pressure is displayed and “ ] ” mark flashes to notify that the displayed value is averaged value.

AVE.

1

2

3

4

5

6

7

PULSE/min• As per the same above-mentioned method, you may recall
7 last measured values by depressing of “Memory Recall
Switch”.

- Eng 10 -

10. Battery replacement
If the batteries become weak, the “” mark will appear in
the display, indicating that batteries should be replaced withnew ones.

— Memory recall function does not work during automatic
inflation and blood pressure measurement are being made.
— New blood pressure value is stored in memory at pressing “Power Switch” for turn OFF or at pressing “Start
Switch” for new measurement.

9. Automatic power off function
If this unit is left on after measurement, an Automatic PowerOFF Function turns the power OFF after approximately 3 minutes. To continue measurement press the power switch toturn the unit ON.

Remove the battery cover at mainframe and replace the newfour pieces of batteries.
Type “AA” (R6P, LR6) battery or equivalent is suitable forthis blood pressure monitor.

- Eng 11 -English— Memory function works on for approximately 3 seconds
or until another switches are pressed. (Even if the last measured value is displayed, you are able to start the measurements by pressing of “Start Switch” or you are able
to change the pressure-setting value by pressing of “Pressure Setting Switch” or you are able to turn OFF by depressing of “Power Switch”)

DESCRIPTION OF DISPLAY MARKSDISPLAY MARKSYSTOLIC mmHg

AVE.

1

2

3

4

DIASTOLIC mmHg

5

SYSTOLIC mmHg

AVE.

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7

SYSTOLIC mmHg

6

7

CORRECTIVE ACTION

Measurement is begun, but the pressure
was insufficient.

Change the pressurization setting one level by pressing“Pressure Setting Switch” and measure once again.
(Automatic re-measuring will be done only 1 time.)

PULSE/min

DIASTOLIC mmHg

5

CONDITION/CAUSEPULSE/minAppears when the blood pressure could
not be measured accurately. (Somenoise was detected or moved arm during measuring.)

DIASTOLIC mmHg

Appears when the pulse could not accurately be measured.
AVE.

1

2

3

4

5

SYSTOLIC mmHg

AVE.

1

2

3

4

6

7

PULSE/min

5

6

7

PULSE/minAppears when the batteries become
weak.

DIASTOLIC mmHg

Appears when no memory is stored atpressing of “Memory Recall Switch”
1

2

3

4

5

SYSTOLIC mmHg

6

7

PULSE/min

1

2

3

4

Replace the batteries.

Take a measurement.
Blood pressure will store automatically.

DIASTOLIC mmHg

Ask purchased shop.

Units has a trouble.
AVE.

First exhaust air from the cuff, reapply the cuff properly
and remeasure.

DIASTOLIC mmHg

SYSTOLIC mmHg

AVE.

Repeat measurement again.

5

6

7

PULSE/min- Eng 12 -

●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