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Thank you for purchasing the OMRON MIT Quick Check 3 Wrist 
Blood Pressure Monitor.

The OMRON MIT Quick Check 3 is a compact and easy to use 
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.

Intended Use
This product is designed to measure the blood pressure and pulse 
rate of people within the range of the designated wrist cuff. It is 
mainly designed for general household use.

Please read this instruction manual thoroughly before using the 
unit.
Please keep for future reference.
For specific information about your own blood pressure, 
CONSULT YOUR DOCTOR.

Consult your doctor prior to using in pregnancy or if diagnosed with 
arrhythmia or arteriosclerosis.

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.

(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 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 disassemble the unit or wrist cuff.
• Do not operate the unit in a moving vehicle (car, airplane).

(Battery Usage)

• If battery fluid should get on your skin or clothing, immediately rinse 

with plenty of clean water.

• Use only two “AAA” alkaline or manganese 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 both 

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.
• Do not take measurements after bathing, drinking alcohol or 

caffeine, smoking, exercising or eating.

• Do not inflate the wrist cuff when it is not wrapped around your 

wrist.

• 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.

Main unit:

Components:

Display:

Display symbols:

Irregular Heartbeat 
Symbol (

)

When the monitor detects an 
irregular rhythm two or more 
times during the measurement, 
the irregular heartbeat symbol 
will appear on the display with 
the measurement values. 
An irregular heartbeat rhythm is 
defined as a rhythm that is 25% less or 25% more than the average 
rhythm detected while the monitor is measuring the systolic and 
diastolic blood pressure. 
If the irregular heartbeat symbol displays with your measurement 
results, we recommend you consult your physician. Follow the 
directions of your physician.

Cuff Wrap Guide Symbol (

/

)

If the cuff was wrapped too loosely, it may cause unreliable values. If 

the wrapping of cuff is too loose, the cuff wrap guide symbol 

 

appears. Otherwise 

 appears. This is the function which is used 

as an aid in determining if the cuff is wrapped snugly enough.

Blood pressure Level Indicator

Blood pressure level indicator will light up 
between the systolic blood pressure and 
the diastolic blood pressure.

2013 ESH/ESC Guidelines for the management of arterial 
hypertension

Recent research suggests that the following values can be used as 
a guide to high blood pressure for measurements taken in office or 
at home.

2.1 Installing/Replacing the Batteries

Notes:
• If the battery low symbol (

) appears on the display, turn off 

the unit then replace both batteries at the same time.

• The measurement values continue to be stored in memory 

even after the batteries are replaced.

Disposal of used batteries should be carried out in accordance 
with the national regulations for the disposal of batteries.

2.2 Setting the Date and Time

Notes:
• If the batteries have been removed, the date and time setting 

will need to be reset.

• If the date and time are not set, “-:--” appears during or after 

measurement.

3.1 Applying the Wrist Cuff

Do not apply over clothing.

3.2 How to Sit Correctly

• Relax your wrist and hand. Do not bend your wrist back, clench 

your fist, or bend your wrist forward.

3.3 Taking a Reading

Notes:
• To cancel a measurement, press the START/STOP button at 

any time during measurement.

• Remain still while taking a measurement.

The monitor automatically stores the measurement in its memory.
It will automatically turn off after two minutes.

Notes:
• 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.

• 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.

3.4 Using the Memory Function

The unit automatically stores up to 60 sets of measurement 
values (blood pressure and pulse rate).
Notes:
• If the memory is full, the monitor will delete the oldest 

readings.

• When viewing the reading taken without setting the date and 

time, “-:--” is displayed instead of the date and time.

To View the Readings Stored in Memory

To Delete All the Values Stored in Memory

Note: You cannot partially delete the stored readings.

4.1 The Icons and Error Messages

Note: The irregular heartbeat symbol (

) may also be displayed 

with error messages.

Wrist Blood 

Pressure Monitor

Model 

MIT Quick Check 3

Instruction Manual

IM-HEM-6140-E-01-05/2014

5344801-6A

Introduction

Important Safety Information

1 Know your unit

Wrist cuff

Battery compartment

Display

Date/Time 
setting button

START/STOP
button

Memory button

Thank you for purchasing the OMRON MIT Quick Check 3 Wrist 
Blood Pressure Monitor.

The OMRON MIT Quick Check 3 is a compact and easy to use 
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.

Intended Use
This product is designed to measure the blood pressure and pulse 
rate of people within the range of the designated wrist cuff. It is 
mainly designed for general household use.

Wrist

 

B

l

ood

 

Pressure

 

Monitor

Mode

MIT

 

Quick

 

Check

 

3

Instruction

 

Manua

l

IM-HEM-6140-E-01-05/2014

5344801-6A

Introduction

2 “AAA” 
Alkaline Batteries

Instruction 
Manual

Storage Case

Office

Home

Systolic Blood Pressure

 140 mmHg

 135 mmHg

Diastolic Blood Pressure

 90 mmHg

 85 mmHg

1.

Remove the battery cover.

 

2.

Insert two 1.5V “AAA” 
batteries as indicated in 
the battery compartment 
and then replace the 
battery cover.

 

1.

Press and hold the 

 button until the year 

flashes on the display.

2.

Set the monitor to the correct date and time 
before taking a measurement for the first time.

Date/Time display

Memory symbol

Systolic blood 
pressure

Diastolic blood 
pressure

Low battery symbol

Heartbeat symbol

(Flashes during

measurement)

Cuff wrap guide symbol

Blood pressure level 
indicator

Irregular heartbeat 
symbol
Deflation symbol

Pulse display / 
Memory number

Normal Heartbeat

Irregular Heartbeat

Pulse

Pulse

Blood pressure

Blood pressure

Short Long

2 Preparation

Year

Month

Day

Hour

Minute

1) Press the 

 button to change.

• Hold down to advance the digit 

rapidly.

2) Press the 

 button to confirm.

• Next setting appears.

3.

Press the START/STOP button to store the 
setting.

1.

Place the wrist cuff over 
your wrist.

Your palm should face upward.

 

2.

Wrap the wrist cuff around 
your wrist.

Wrap the wrist cuff securely 
around the wrist for taking 
accurate measurements.

 

Make sure that the wrist cuff 
does not cover the protruding 
part of the wrist bone (ulna) on 
the outside of the wrist.

Note: You can take a 

measurement on either 
your left or right wrist.

 

To take a measurement, you need 
to be relaxed and comfortably 
seated, under comfortable room 
temperature. No bathing, drinking 
alcohol or caffeine, smoking, 
exercising or eating 30 minutes 
before taking a measurement.

• Sit on a chair with your feet flat on the 

floor.

• Sit upright with your back straight.
• The cuff should be at the same level 

as your heart.

 

1.

Press the START/STOP button.

All the symbols appear on the display.
The wrist cuff will start to inflate automatically.

2.

Undo the wrist cuff and remove the unit.

3.

Press the START/STOP button to turn off the 
monitor.

3 Using the Unit

Cuff Wrapping Guide Symbol

START

INFLATE

DEFLATE

COMPLETE

Alternating

date/time display

1.

Press the 

 button, 

the latest

 value is displayed.

The Memory number 
appears for a second 
before the pulse rate is 
displayed. The newest 
set is numbered “1”.

 

2.

Press the 

 button repeatedly to view the 

readings stored in memory.

When the memory symbol  (

) appears, first press 

the 

 button. Then while holding it down, press the 

START/STOP button simultaneously for about 2 - 3 
seconds.

Error Display

Cause

Remedy

Irregular heartbeats 
are detected.

Remove the wrist cuff. Wait 
2 - 3 minutes and then take 
another measurement.
Repeat the steps in section 
3.3. If this error continues to 
appear, contact your doctor.

Blink

The batteries are 
low.

You should replace them with 
new ones ahead of time.
Refer to section 2.1.

Lit

The batteries are 
exhausted. 

You should replace them with 
new ones at once.
Refer to section 2.1.

Wrist cuff not 
applied correctly.

Apply the wrist cuff correctly.
Refer to section 3.1.

Movement during 
measurement.

Repeat Measurement while 
remaining still and refraining 
from talking during the 
measurement.
Refer to section 3.3.

Wrist cuff not 
applied correctly, or 
movement during 
measurement.

Apply the wrist cuff correctly 
and repeat measurement 
while remaining still and 
refraining from talking during 
the measurement.
Refer to section 3.1 and 3.3.

Device error.

Contact your OMRON retail 
outlet or distributor.

Alternating 
date/time 
display

First

Second

4 Troubleshooting and Maintenance

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