Citizen REF CH-302B User Manual

TM

INSTRUCTION MANUAL

FOR

DIGITAL BLOOD PRESSURE MONITOR

REF CH-302B

IDENTIFICATION OF PARTS

English

Air-release system

Cuff

Exhaust button

Bulb

Systolic blood pressure display section

Diastolic blood pressure/Pulse display section

Bulb hose

Power switchCuff hose Hose connector Battery cover

- Eng 1 -

SPECIFICATIONS

Measuring method:
Indication:
Measuring range:
Accuracy:
Inflation:
Deflation:
Power source:
Battery life:
Rated voltage:
Working temp. & humidity:
Storage temp. & humidity:
Outside dimensions:
Weight:
Electric shock protection:
Accessories:

*Specifications may be changed without notice in the event of improvements being made.

Oscillometric system
Digital display, Height: 10mm
Pressure; 0~280mmHg, Pulse; 40~200 beat/min.
Pressure; ±3mmHg, Pulse; ±5%
Manual inflation by bulb
Automatic constant speed deflation system
One battery (6F22, 6LR61)
Approx. 400 times/6F22 (once a day, room temperature 22°C)
9V DC
+10°C~+40°C, 30%~85%RH
–20°C~+60°C, 10%~95%RH
85mm(W) × 120mm(D) × 35mm(H)
Approx. 150g (Apparatus and battery)
Type B equipment
Cuff, Battery (6F22), Instruction manual

- Eng 2 -

CLEANING METHOD OF CUFF

English

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

GENERAL REMARKS

General Remarks on blood pressure
measurement

• 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 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 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.

- Eng 3 -

a washing machine will cause air leakage. Also, be careful not
to get water into the air hose.

• Emotional stress may tend to cause pressure to rise.

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.
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.

• 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.

Wind the