INSTRUCTION MANUAL
MANUAL INFLATION
BLOOD PRESSURE
MONITOR
Model
HEM-412C
INTRODUCTION
Thank you for purchasing the Omron HEM-412C Manual Inflation
Blood Pressure Monitor. This easy-to-use monitor quickly detects
your blood pressure and pulse measurements and displays them on
a large, clear digital panel.
Your new HEM-412C uses the oscillometric method of blood pressure
measurement. This means the monitor detects your blood's movement
through your brachial artery and converts the movements into a digital
reading. An oscillometric monitor does not need a stethoscope so the
monitor is simple to use. The monitor features an easy-to-squeeze inflation
bulb that allows you to quickly fill the cuff with air. Stop pumping and the
cuff deflates automatically. Error indicators alert you to incorrect procedures
and an automatic power-off function conserves batteries.
Please read this instruction manual thoroughly before using the
Omron HEM-412C Manual Inflation Blood Pressure Monitor.
For specific information on your own blood pressure,
CONTACT YOUR PHYSICIAN.
3
KNOW YOUR UNIT
Systolic
Blood Pressure Display
Diastolic Blood Pressure
/Pulse Display
Arm Cuff
Air
Release
Button
On/Off
Button
Air Tube
Air Inflation Bulb
Cuff Tab
Air
Jack
Air Plug
(Connects
to the
air jack)
4
QUICK REFERENCE GUIDE
1. Avoid eating, smoking, and exercising for at least 30 minutes
before taking a measurement.
2. Put your left arm through the cuff loop. The bottom of the cuff
should be about 1/2'' above the elbow. The cuff tab should lie
over the brachial artery on the inside of the arm.
3. Pull the cuff so that it is tightened evenly around your arm.
Press the sewn hook material firmly against the pile side of
the cuff. Make sure that your skin will not be pinched in the
D-ring once you inflate the cuff. Immediately deflate the cuff
and readjust it if skin becomes pinched.
4. Sit in a chair with your feet flat on the floor and place your left
arm on a table so that the cuff is at the same level as your heart.
5. After the Ready To Measure Symbol ( ) appears next to a zero
on the digital panel, quickly squeeze the inflation bulb to inflate the
cuff. Stop pumping when the numbers on the display are approximately
40 mmHg higher than your normal systolic blood pressure.
7. The cuff will deflate automatically. Remain still throughout
the entire reading.
8. When measurement is complete, the monitor alternately
displays your blood pressure and pulse on the digital panel.
9. Wait 5-10 minutes before taking another blood pressure
measurement. You may need more rest time between
readings depending on your individual physical characteristics.
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BATTERY INSTALLATION/REPLACEMENT
1. Slide the battery cover off in the
direction of the arrow.
2. Install 4 “AA” size batteries so
+ (positive) and – (negative)
polarities match the polarities
of the battery compartment as indicated.
3. Replace the battery cover.
4. If the Low Battery Indicator appears
on the display, replace all four batteries.
Long-life alkaline batteries
are recommended.
Low Battery Indication
5. Remove the batteries if the monitor will
not be used for an extended period of time.
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HOW TO APPLY THE ARM CUFF
1. Locate your brachial artery by
pressing two fingers approximately
one inch above the elbow crease on the
inside of the left arm. Determine where
your pulse is strongest.
2. The cuff should be assembled
correctly when it is removed from
the box. If it is not, pass the end
of the cuff furthest from the tubing
through the metal D-ring to form
a loop. The smooth cloth should
be on the inside of the cuff loop.
3. If the cuff is assembled correctly, the
sewn hook material will be on the
outside of the cuff loop and the metal
D-ring will not touch your skin.
4. Put your left arm through the cuff
loop. The bottom of the cuff should
be approximately 1/2 inch above the
elbow. The cuff tab should lie over
the brachial artery on the inside
of the arm.
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HOW TO APPLY THE ARM CUFF
5. Pull the cuff so that the top and
bottom edges are tightened evenly
around your arm.
6. When the cuff is positioned correctly,
press the sewn hook material FIRMLY
against the pile side of the cuff.
7. Make certain the cuff fits snugly
around your arm. The cuff should
make good contact with your skin.
8. Sit in a chair with your feet flat on the
floor and place your arm on a table so
that the cuff is at the same level
as your heart.
9. Relax your arm and turn your
palm upward.
10. Be sure there are no kinks in
the air tubing.
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HOW TO TAKE A READING
Please read “How To Apply The Arm Cuff” before taking a reading.
Initial LCD Test
1. Press the On/Off button.
SYSTOLIC mm Hg
DIASTOLIC mm Hg
a) All display symbols appear
for about one second. This is the
initial LCD Test.
PULSE/MIN
b) The display symbols
Deflation Indication
Ready To Measure
disappear and the Deflation
Indication Symbol (
starts to flash.
)
c) When the monitor completes
the necessary preparations
before measurement, the
Ready To Measure Symbol
(
) appears next to a zero.
NOTE: Wait for the Ready To Measure
Symbol ( ) before taking a measurement.
2. Begin inflating the cuff by rapidly squeezing the inflation bulb
until you have reached approximately 40 mmHg higher than
your normal systolic reading. If your normal systolic blood
pressure is unknown, inflate the cuff to 180 mmHg.
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HOW TO TAKE A READING
3. Stop pumping the inflation bulb when
you have reached your correct inflation
level and remain still. The cuff will
begin to deflate automatically.
Indicated Value
Drops
Measuring
4. As the cuff deflates, decreasing
numbers appear on the display.
The Ready To Measure Symbol
(
) flashes at the onset of
oscillation signals.
Blood Pressure
Reading Display
(for approx.
3.5 sec.)
Pulse Reading Display
(for approx. 2 sec.)
5. When measurement is complete,
the Ready To Measure Symbol
(
) stops flashing and your blood
pressure and pulse display alternately.
6. When the Deflation Indication Symbol ( ) appears on the
display, push the air release button to release any air left in the cuff.
NOTE: Wait 5-10 minutes before taking another blood pressure measurement.
Waiting allows the engorged blood vessels to return to normal. You may require
more rest time between readings depending on your individual
physical characteristics.
REMEMBER TO KEEP A RECORD OF YOUR BLOOD PRESSURE
AND PULSE MEASUREMENTS.
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CARE AND MAINTENANCE
To protect your monitor from damage, please do the following:
• Do not subject your monitor to extreme temperatures,
humidity, and direct sunlight.
• Do not fold the cuff and tubing tightly.
• Do not inflate the monitor over 280 mmHg.
• Do not disassemble the monitor.
• Do not subject the monitor to strong shocks
(for example, dropping the monitor on the floor).
• Do not clean the monitor with volatile liquids.
THE MONITOR SHOULD BE CLEANED WITH
A SOFT, DRY CLOTH.
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ERROR INDICATORS
Error Symbol
Cause
Correction
Cuff under-inflated.
Wait 10 minutes before
taking another measurement.
Repeat steps listed under
“How To Tke a Reading”,
but manually inflate the
cuff 40 mmHg higher
than the previous
Movement
during measurement.
No pulse or blood
pressure reading due
to very weak artery pulse.
inflation value.
Residual air pressure
in cuff.
Carefully read and repeat
steps linsted under “How
to Take a Reading.”
Cuff over-inflated
(more than 300 mmHg.)
Replace all 4 four
“AAA” batteries.
Batteries have run down.
If you continue to have difficulty obtaining a reading, call OMRON HEALTHCARE
CUSTOMER SERVICE TOLL FREE 1-800-634-4350. Please tell the representative
you have a Omron Model HEM-412C Manual Inflation Blood Pressure Monitor.
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CAUTION INDICATORS
NOTE:
POTENTIAL FOR RADIO/TELEVISION INTERFERENCE (for U.S.A. only)
This product has been tested and found to comply with the limits for a Class B digital device,
pursuant to part 15 of the FCC rules.
These limits are designed to provide reasonable protection against harmful interference in
a residential installation. The product generates, uses, and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur
in a particular installation. If the product does cause harmful interference to radio or television
reception, which can be determined by turning the product on and off, the user is encouraged
to try to correct the interference by one or more of the following measures:
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the product and receiver.
Connect the product into an outlet on a circuit different from that to which
the receiver is connected.
•
Consult the dealer or an experienced radio/TV technician for help.
POTENTIAL FOR RADIO/TELEVISION INTERFERENCE (for Canada only)
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital
apparatus as set out in the interference-causing equipment standard entitled "Digital Apparatus",
ICES-003 of the Canadian Department of Communications.
LICENSED UNDER U.S, PAT.
4829419, 4942516, 4896260, 4531182, 4825364, 4686622, 4121284,
4396976, 4371923, 4471385, 4120583, 4435732, 4672457, 4739396
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SPECIFICATIONS
Model:
HEM-412C
Display:
LCD digital display
Measurement Range:
Pressure: 0-280 mmHg
Pulse: 40-200/min.
Accuracy/Calibration:
Pressure: 3 mmHg or 2% of reading
Pulse: 5% of reading
Inflation:
Manual by inflation bulb
Automatic pressure release valve
Push button valve
Deflation:
Rapid Air Release:
Pressure Detection:
Measurement Method:
Pulse Wave Detection:
Power Source:
Capacitive pressure sensor
Oscillometric method
Capacitive pressure sensor
4 "AA" batteries (not included)
Battery Life:
Approximately 1 year when used once a day
for 2 minutes
Operating Temperature/
Humidity:
50°F to 104°F (10°C to 40°C)
30 to 85% RH maximum
Storage Temperature/
Humidity:
-4°F to 140°F (-20°C to 60°C)
10 to 95% RH maximum
Console Weight:
Approximately 8 oz (225g) with batteries
Outer Dimensions:
Approximately 4 7/8" (w) x 2 1/5'' (l)
x 3 1/6" (h) (124mm x 56mm x 80mm)
Cuff Dimensions:
Approximately 5 1/2" (w) x 18 7/8" (l)
(140mm x 480mm)
Arm Circumference Range
UPC Code:
9'' to 13''
0 73796 04122 9
NOTE: These specifications are subject to change without notice.
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LIMITED ONE YEAR WARRANTY
Your HEM-412C Manual Inflation Blood Pressure Monitor is warranted to be free from
manufacturing defects for a period of one year under normal use. This warranty extends
only to the original retail purchaser.
Should repair be needed within the warranty period, ship the unit prepaid to
Omron Healthcare, Inc., 300 Lakeview Parkway, Vernon Hills, IL 60061,
Attn: Service Dept., together with $5.00 for return shipping and insurance.
Be sure to include the model number of your unit and your phone number
on any correspondence.
We will either repair or replace (at our option) free of charge any parts necessary
to correct defects in the materials or workmanship.
The above warranty is complete and exclusive. The warrantor expressly disclaims
liability for incidental, special, or consequential damages of any nature. (Some states
do not allow the exclusion or limitation of incidental or consequential damages,
so the above warranty may not apply to you.)
Any implied warranties arising by the operation of law shall be limited in duration
to the term of this warranty. (Some states do not allow limitations on how long an
implied warranty lasts, so the above limitation may not apply to you.)
This warranty gives you specific legal rights and you may have other rights which
vary from state to state. As a condition to operation of your warranty, the enclosed
registration card must be completed and sent to us within 10 days
from the date of purchase.
FOR CUSTOMER SERVICE CALL TOLL FREE:
1-800-634-4350
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For Customer Service
Call Toll Free
1-800-634-4350
Manufactured for:
OMRON HEALTHCARE, INC.
300 Lakeview Parkway
Vernon Hills, Illinois 60061
Copyright © 2002 OMRON HEALTHCARE, INC.
HEM-412CINST Rev A
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