Omron BF500 User Manual
BF500
Body Composition Monitor
• Instruction Manual
• Mode d’emploi
• Gebrauchsanweisung
• Manuale di istruzioni
• Manual de instrucciones
• Gebruiksaanwijzing
• РУКОВ ОДСТВО ПО ЭК СПЛУАТАЦИИ
Thank you for purchasing the OMRON Body Composition Monitor.
Before using this unit for the first time, please be sure to read this
Instruction Manual carefully and use the unit safely and properly.
Please keep this Instruction Manual at hand all the time for future
reference.
IM-BF-500-E-04-10/08
9054902-7E
EN
FR
DE
IT
ES
NL
RU
Before using the unit
Contents
Before using the unit
Notes on Safety ................................................................................... 3
Features of the Product......................................................................5
What You Should Know When Using This Unit................................6
Operating instructions
1. Know Your Unit ............................................................................10
2. Inserting and Replacing the Batteries .......................................13
3. How to Set the Date and Time.....................................................14
4. Setting and Storing Personal Data.............................................16
5. Taking a Measurement ................................................................20
6. Measuring Weight Only ...............................................................27
7. Using the Memory Function........................................................28
Care and maintenance
8. Error Displays ..............................................................................33
9. Troubleshooting...........................................................................34
10.How to Care and Store the Unit ..................................................35
11.Technical Data.............................................................................. 36
Understanding the Results ................................................... 39
Quick Reference Guide ......................................................... 47
2
Notes on Safety
Danger:
Never use this unit in combination with medical electronic devices such as:
(1) Medical electronic implants such as pacemakers.
(2) Electronic life support systems such as an artificial heart/lung.
(3) Portable electronic medical devices such as an electrocardiograph.
• This unit may cause the above mentioned medical electronic devices to malfunction.
Warning:
• Never start weight reduction or exercise therapy without the instructions of a doctor or
specialist.
• Do not use the unit on slippery surfaces, such as a wet floor.
• Keep the unit out of the reach of young children.
• Do not jump onto the unit, or hop up and down on the unit.
• Do not use this unit when your body and/or feet are wet, such as after taking a bath.
• Stand on the main unit bare-footed. Attempting to stand on it with socks on may cause
you to slip and result in injury.
• Do not step on the edge or display area of the main unit.
• People with disabilities, or who are physically frail, should always be assisted by
another person when using this unit. Use a handrail or so when stepping on the unit.
• If battery fluid should get in your eyes, immediately rinse with plenty of clean water.
Consult a doctor immediately.
Notes on Safety
Caution:
• Do not disassemble, repair, or remodel the display unit or the main unit.
• Do not use a cellular phone near the display unit or the main unit.
• Take care when storing the display unit. Your fingers may be trapped between the grip
and the main unit if you press it too strongly.
• Do not use batteries not specified for this unit. Do not insert the batteries with the
polarities in the wrong direction.
• Replace worn batteries with new ones immediately.
• Do not dispose of batteries in fire.
• If battery fluid should get on your skin or clothing, immediately rinse with plenty of clean
water.
• Remove the batteries from this unit when you are not going to use it for a long period of
time (approximately three months or more).
• Do not use different types of batteries together.
• Do not use new and worn batteries together.
General Advice:
• Do not place this unit on a cushioned floor surface such as on a carpet or a mat.
Correct measurement may not be possible.
• Do not place this unit in highly humid environments and protect it from splashing water.
• Do not place this unit near heat sources or below air conditioners and avoid direct
sunlight.
• Do not use this unit for purposes other than described in this manual.
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3
Notes on Safety
• Do not pull the cord of the display unit attached to the main unit with force.
• As this unit is a precision instrument, do not drop, vibrate, or apply strong shock.
• Disposal of used batteries should be carried out in accordance with the national
regulations for the disposal of batteries.
• Do not wash the display unit or the main unit with water.
• Do not wipe the unit with benzene, gasoline, paint thinner, alcohol, or other volatile
solvents.
• Do not place this unit where it will be exposed to chemicals or corrosive vapors.
Medical electrical equipment is subject to special safety measurement regarding
electromagnetic compatibility.
The documentation in accordance with EN60601-1-2:2001 is available.
Don’t use mobile telephones, microwave and other devices, which generate strong
electrical or electromagnetic fields, near the medical device. This may result in incorrect
operation of the unit.
Save these instructions for future reference.
4
Features of the Product
Features of the Product
More accurate measurement of the entire body
As measurement is conducted between both upper and lower limbs, the measurement
values are less affected by the variation of physique as compared to traditional body fat
monitors.
Visceral fat is displayed in 30 levels
Visceral fat is closely related to lifestyle-related diseases, such as hypertension,
diabetes, and hyperlipidemia.
* OMRON BF500 can help you check your visceral fat level easily.
Easily check skeletal muscle percentage
Skeletal muscle is displayed as a percentage.
The unit only measures skeletal muscle, muscle connected to bone and used to move
the body. It does not include smooth muscle, found in internal organs.
Display of BMI and resting metabolism
In addition to calculating body fat percentage, it can also access your health using the
BMI method
metabolism from personal data input and the measured body weight. Use those
calculated values as reference for planning your weight reduction program.
*1 BMI: Body Mass Index = Body weight (kg) / (height (m))²
*1
, while taking your physique into consideration. It estimates the resting
Memory function to store up to four users’ personal data
For the measurement of body composition, it is necessary to set personal data such as
age, gender, and height. Once you set and store the data, the unit is ready for use by
pressing the personal profile number button. This unit can be shared as it can store up
to four different users’ data.
Comparison with previous results to monitor progress
The unit stores the measurement results, so you can easily monitor any changes. You
can display measurements for 1 day, 7, 30, and 90 days before.
The display unit can be operated easily and is easy to read.
For additional information, please see Section “Understanding the Results”.
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What You Should Know When Using This Unit
What You Should Know When Using This Unit
Principle of body composition calculation
Body fat has low electric conductivity
The BF500 estimates the body fat percentage by the Bioelectrical Impedance (BI)
method. Muscles, blood vessels and bones are body tissues with a high water content
that conducts electricity easily. Body fat is tissue that has little electric conductivity. The
BF500 sends an extremely weak electrical current of 50 kHz and less than 500 µA
through your body to determine the amount of fat tissue. This weak electrical current is
not felt while operating the BF500.
In order for the scale to determine body composition, it uses the electrical impedance,
along with your height, weight, age and gender information to generate results based on
OMRON’s data of body composition.
Measures the whole body to avoid the influence of fluctuations
During the course of a day, the amount of water in the body tends to gradually shift to
the lower limbs. This is why there is a tendency for the legs and ankles to swell in the
evening or at night. The ratio of water in the upper body and lower body is different in
the morning and evening, and this means that the electrical impedance of the body also
varies. Since the BF500 uses electrodes for both hands and feet to take measurements,
it can reduce the influence of these fluctuations on measurement results.
What is the Bioelectrical Impedance method?
Muscles, blood vessels and bones are body tissues having a high water content that
conduct electricity easily. Body fat is tissue that has little electric conductivity. The
BF500 sends an extremely weak electrical current of 50 kHz and less than 500 µA
through your body to determine the amount of fat tissue. This weak electrical current is
not felt while operating the BF500. The Bioelectrical Impedance Method safely
combines the electric resistance with the distance of the electricity conducted. Correct
posture and consistent measuring conditions need to be maintained for the best results.
Uses the best methods to measure different aspects of body composition
OMRON has conducted research using exhalation and MRI analysis to develop an
algorithm by which the bio impedance method of the BF500 works.
Body Fat Percentage: This is based on the DXA (Dual Energy X-Ray Absorptiometry)
method, which has been the established method for accurate evaluation of body
composition. OMRON has used research information from several hundred people
using the DXA method to develop the formula by which the BF500 works. The body fat
mass and body fat percentage is calculated by a formula that includes five factors:
electric resistance, height, weight, age and gender.
The DXA method uses two different frequency X-Rays and rates of absorption of the
body and determines the value based on the difference between the two.
Resting Metabolism: This is based on exhalation analysis, where the composition of
exhaled air is analysed. This makes it possible to calculate the resting metabolism by
measuring the consumption of oxygen in exhaled air.
Visceral Fat Level: This is based on MRI (Magnetic Resonance Imaging) analysis,
which uses nuclear magnetic resonance that take non-intrusive images of the body. This
makes it possible to calculate the area of visceral fat in the body.
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What You Should Know When Using This Unit
Skeletal Muscle Percentage: This is based on MRI (Magnetic Resonance Imaging)
analysis, which uses nuclear magnetic resonance that take non-intrusive images of the
body. This makes it possible to calculate the amount of skeletal muscle in the body.
The reason calculated results may differ from actual body fat percentage
There are certain conditions, such as with dialysis patients, when significant differences
may occur between the estimated and actual body fat values.
These differences may be related to changing ratios of body fluid and/or body
composition.
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What You Should Know When Using This Unit
Recommended measurement times
Understanding the normal changes in your body fat percentage can help you in
preventing or reducing obesity. Being aware of the times when the body fat percentages
shift within your own daily schedule will assist you in obtaining an accurate trending of
your body fat. It is recommended to use this unit in the same environment and daily
circumstances. (See chart)
Daily activities
Waking up
Recommended time
Breakfast
2 hours
After waking up
Recommended time
Lunch
2 hours
Recommended time
Taking a bath or
eating dinner
2 hours
Recommended time
Going to bed
Before lunch and about 2 hours or
more after breakfast
In the afternoon about 2 hours or
more after lunch and before taking
a bath or eating dinner
Avoid measurement immediately
after eating or bathing.
Before going to bed and about 2
hours or more after dinner or bath
Avoid taking measurements under the following conditions
If a measurement is made under the following physical conditions, the estimated body
fat percentage may differ significantly from the actual one because the water content in
the body is changing.
Avoid taking measurements:
- immediately after vigorous exercise
Please wait for 1 to 2 hours:
- after a bath or sauna
- after drinking alcohol
- after drinking lots of water
- after eating a meal
Measurement should be taken on a hard, level surface
To ensure accurate measurement results, measurements should be taken on a hard,
level surface.
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What You Should Know When Using This Unit
Long-term planning for successful weight loss
Ignoring a balanced diet and simply reducing food intake to lose weight can lead to a decline in
muscle and bone. This may result in weight loss but not in the reduction in fat levels. So even
though your weight goes down, your resting metabolism is reduced making the body more
prone to putting on fat.
Example comparing the same loss of 10 kg
Weight
(Kg)
1234567
80
75
70
65
A starvation-like diet produces
rapid weight loss of 10 kg,
but disrupts body mass...
Fat reduction: 3 kg
Lean body mass reduction
(muscle, bone etc.): 7 kg
Change in body fat percentage
Body fat percentage
Before diet:
After diet:
36.0%
36.9%
A healthy diet
with weight loss of 10 kg...
Fat reduction: 9 kg
Lean body mass reduction
(muscle, bone etc.): 1 kg
Change in body fat percentage
Body fat percentage
Before diet:
After diet:
36.0%
28.3%
Months
EN
Lean body mass (muscle, bone etc.) is
greatly reduced, while the body fat
percentage has not changed.
Body fat percentage reduced to a normal
level.
Repeated dieting and regaining weight leads to increased visceral fat levels
It is easy to regain weight after sudden diets. This regained weight tends to appear as visceral
fat rather then subcutaneous fat. Increased visceral fat levels are thought to increase the
likelihood of common diseases. Repeated dieting and subsequent regaining of weight leads to
increased visceral fat levels.
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Operating instructions
1.Know Your Unit
1. Know Your Unit
Display Unit
K
Main Unit
(Measurement Platform)
M M
N N
A
B
C C
G
D
E
H
F
A
J
I
L
Front View
A. Grip Electrodes
B. Display
C. Personal Profile Number Button
D. SET Button
Use this button to confirm the
personal data or move to the next
item after confirming the set item.
E. Up/Down Buttons
Use these buttons to set the value or
the gender for personal data.
These are also used to select the
measurement units used for the
height and weight display.
O
F. Guest/Memory Button
Use this button to set the personal
data for each measurement or to
view measurement results stored in
memory.
G. Body Fat Button
H. Resting Metabolism Button
I. BMI Button
J. Skeletal Muscle Button
K. Display Unit Holder
L. Cord
M.Foot Electrodes
N. Heel Electrodes
O.Power Switch
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Display
P
1.Know Your Unit
Y
Z
Q
R
S
T
U
V
W
X
AA
AB
AC
AD
AE
P. Weight Indicator
Q.Guest Indicator
R. Personal Profile Number
S. Weight Results
T. Display Mode Indicator
U. Body Composition Results
V. Body Fat Percentage and BMI
Assessment 12 Levels Bar
W.Body Fat Percentage and BMI
Classification Indicator
X. Visceral Fat Classification Indicator
Y. Measurement Start Indicator
Z. Height Indicator
AA.Gender Indicator
(male)
(female)
AB.Battery Low Indicator
AC.Age Indicator
AD.Memory Indicator
AE.Visceral Fat Results
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1.Know Your Unit
Storing the Display Unit
Extend the cord and store the display unit as described
below.
1. Coil the cord into the display unit holder.
Note: Make sure that the cord does not stick out of the
holder and that the cord is coiled evenly.
2. Push the display unit into the holder.
Push the display unit until it clicks into place.
About the Auto Power Off Function
The power will be automatically switched off in the following conditions:
• If the unit is not used within one minute of 0.0 kg appearing on the display.
• If no information is entered for 5 minutes when entering personal data.
• If the unit is not used for 5 minutes after measurement results are displayed.
• 5 minutes after the result is displayed when measuring weight only.
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2.Inserting and Replacing the Batteries
2. Inserting and Replacing the Batteries
1. Remove the battery cover on the rear
side of the main unit.
1) Press the tab of the battery cover in the
direction of the arrow to release the
cover.
2) After releasing the battery cover, pull the
tab of the cover upwards.
2. Insert the batteries by aligning them as
indicated.
Make sure that their polarity (+/–) is aligned with
the polarity (+/
compartment.
–) indicated in the battery
Rear
3. Close the battery cover.
1) Align the hooks on the battery cover with
the slots in the battery compartment.
2) Push the battery cover until the tab clicks
into place.
Battery Life and Replacement
When the battery low indicator ( ) appears, replace all four
batteries with new ones.
Items stored in memory are retained even if the batteries are
removed. However, if the batteries are removed or replaced, you will
be prompted to set the date and time the next time the unit is turned
on.
• Replace the batteries after turning off the power.
• Disposal of used batteries should be carried out in
accordance with the national regulations for the disposal of
batteries.
Battery life
• Four AA batteries will last approximately 1 year (when measurements are made four
times a day).
• Because the supplied batteries are for trial use only, they may have a shorter life.
Battery low indicator
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3.How to Set the Date and Time
3. How to Set the Date and Time
When the power is turned on for the first time, it is necessary to set the date and time.
Buttons Used in this Procedure
SET button
Use this button to confirm the
setting or move to the next item
after confirming the set item.
Down ( ) button
Press this button to go back one.
Press continuously to rapidly
decrease.
Up ( ) button
Press this button to advance
one. Press continuously to
rapidly advance.
1. Press the power switch to turn the unit
on.
If this is the first time that the unit has turned on,
the year setting flashes.
[TO SET THE YEAR]
2. Press the or button to adjust the year setting to the desired year.
3. Press the SET button.
The year setting is confirmed and the month flashes on the
display.
[TO SET THE MONTH]
4. Press the or button to adjust the month
setting to the desired month.
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5. Press the SET button.
The month setting is confirmed and the day flashes on the
display.
[TO SET THE DAY]
6. Press the or button to adjust the day setting to
the desired day.
7. Press the SET button.
The day setting is confirmed and the hour flashes on the
display.
[TO SET THE HOUR]
8. Press the or button to adjust the hour setting
to the desired hour.
3.How to Set the Date and Time
9. Press the SET button.
The hour setting is confirmed and the minute flashes on the
display.
[TO SET THE MINUTE]
10.Press the or button to adjust the minute
setting to the desired minute.
11. Press the SET button.
The minute setting is confirmed.
After the settings for year, month, day, hour and minute are displayed in that sequence, the
power is automatically turned off.
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