Omron HBF-202 Instruction Manual
Instruction Manual
Body Composition Scale
Model HBF-202
Thank you for purchasing the OMRON Body Composition Scale.
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.
HBF-202-AUW_A_M07_101122.pdf
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TABLE OF CONTENTS
Before Using the Unit
Notes on Safety .................................................................................................3
Information on Body Composition ................................................................... 4
Principles of Body Composition Scale Measurement .................................4
Features of the Body Composition Scale .................................................... 4
BMI & Ideal Weight ....................................................................................5
Body Fat ...................................................................................................... 5
Visceral Fat.................................................................................................. 6
Resting Metabolism.....................................................................................6
Skeletal Muscle ...........................................................................................7
Body Age..................................................................................................... 8
Long-term Planning for Successful Weight Loss ........................................9
Recommended Measurement Time........................................................... 10
Operating Instructions
Know Your Unit .............................................................................................. 11
Battery Installation.......................................................................................... 13
Setting Personal Data ...................................................................................... 14
Changing Personal Data ............................................................................ 16
Deleting Personal Data .............................................................................. 17
How to take a Measurement............................................................................ 19
Measuring Weight Only ..................................................................................22
Viewing the Last Measurement Results.......................................................... 23
Care and Maintenance
Error Indicators ...............................................................................................25
Troubleshooting Tips ......................................................................................26
Maintenance and Storage ................................................................................28
Specifications .................................................................................................. 29
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NOTES ON SAFETY
Please read this instruction manual carefully before use and for further information on the individual functions.
Danger:
Never use this unit in combination with the following medical electronic devices.
(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 electrocardiograph.
• This unit may cause the above-mentioned medical electronic devices to malfunction.
Warning:
• Never start weight reduction or exercise therapy solely based on your own judgement. Be sure to follow the
instructions of a doctor or specialist.
• Do not use the unit on tiles or other surfaces that may be slippery, such as a wet floor.
• Do not jump or bounce on the unit.
• Do not use this unit after taking a bath, or when your body or hands are wet.
• Do not step on the edge or display area of the unit.
• Do not let a physically handicapped person use this unit without any accompanied assistance. 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.
Caution:
• This unit is intended for home use only. It is not intended for professional use in hospitals or other medical
facilities. This unit does not support the standards required for professional use.
• Stand on the unit bare-footed.
• Do not use a cellular phone near the unit.
• Do not disassemble, repair, or remodel the unit.
• 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 batteries of a different kind together.
• Do not use new and worn batteries together.
• Keep this unit out of the reach of young children.
• Please store the unit on ground level.
General Advice:
• Do not place this unit on 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 environment, where water may splash, under direct sunshine, in a place
where the air conditioner blows directly, or near fire.
• Do not use this unit for purposes other than measuring body weight, body fat percentage, and/or visceral fat level.
• As this unit is a precision instrument, do not drop, vibrate, or apply strong shock.
• Disposal of this product and used batteries should be carried out in accordance with the national regulations for
the disposal of electronic products.
• Always keep the unit clean before use.
• Do not wash the unit with water.
• Do not wipe the unit with benzine, paint thinner, alcohol, or other volatile solvents.
• Do not store the unit where it will be exposed to:
- extreme temperatures, humidity, dust, moisture or direct sunlight.
- strong shocks, vibrations (for example, dropping the unit on the floor), or uneven surfaces.
- chemicals or corrosive vapours.
Before Using the Unit
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INFORMATION ON BODY COMPOSITION
PRINCIPLES OF BODY COMPOSITION SCALE MEASUREMENT
When taking a measurement, your Body Composition Scale unit passes an extremely weak
electrical current through your body (via the feet electrodes) to measure the electrical resistance
of body tissue using the Bioelectrical Impedance (BI) method.
Muscles, blood vessels and bones are body tissues having a high water content that conducts
electricity easily. Body fat, on the other hand, is tissue that has little electrical conductivity.
Using these principles, the unit calculates the ratio of body tissue that is not fat.
The unit 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 very weak electrical current is safe and is
not felt while using the unit.
To calculate your body composition from the electrical impedance obtained from the feet
electrodes, the unit uses the following components in its calculation;
(1) the electrical resistance, (2) your height, (3) your weight, (4) your age, and (5) your gender.
FEATURES OF THE BODY COMPOSITION SCALE
Body composition analysis data is calculated by the best measurement method for each type of
component.
Body Fat Percentage: This is based on the UWW (Under Water Weighing) method, which
uses Archimedes’ principle and is the established method for
accurate evaluation of body composition.
Resting Metabolism: This is based on exhalation analysis, where the composition of
exhaled air is analyzed. 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 X-ray CT (Computed Tomography) analysis, which
uses x-rays that take non-intrusive images of the body. This makes it
possible to calculate the area of visceral fat in the body.
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.
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INFORMATION ON BODY COMPOSITION
BMI & IDEAL WEIGHT
Everybody is concerned about their weight. But what is the basis for determining your ideal weight?
The key is BMI.
BMI is short for Body Mass Index. This index uses the following simple formula to indicate the ratio
between weight and height of a person.
BMI = weight (kg) / height (m) / height (m)
The OMRON Body Composition Scale uses the Height information stored in your Personal Profile
Number to calculate your BMI.
The Ideal BMI is 22
Maintaining an ideal weight can help prevent obesity or weight loss and other diseases, and lead a longer
life. The ideal weight for a BMI of 22 is calculated as follows.
Ideal Weight (kg) = 22 × height (m) × height (m)
Example: For a person 1.55 m tall...
22 × 1.55 × 1.55 = 52.855 -> Approx 52.9 kg
However, this method of ideal weight calculation may not be applicable for professional athletes and
body builders, who have higher muscles ratio in their bodies.
Interpreting the BMI Result
The above-mentioned indices refer to the values for obesity judgment proposed by the WHO, the World Health Organization.
BODY FAT
Body fat serves a vital role in storing energy and protecting internal organs. We carry two types of fat in our
bodies: 1) essential fat which is stored in small amounts to protect the body and 2) stored fat which is
stocked for energy during physical activity. While too much body fat may be unhealthy, having too little fat
can be just as unhealthy. Also, the distribution of body fat in men and women is different, so the basis for
classifying the body fat percentage is different between the genders.
Interpreting the Body Fat Percentage Result
The table below is based on research by Gallagher et al., American Journal of Clinical Nutrition, Vol. 72,
Sept. 2000, and classified into four levels by Omron Healthcare.
BMI Classifications (by the WHO)
Less than 18.5 Underweight
18.5 or more and less than 25 Normal
25 or more and less than 30 Overweight
30 or more Obese
Gender Age – (Low) 0 (Normal) + (High) ++ (Very High)
Female
20-39 < 21.0% 21.0 - 32.9% 33.0 - 38.9%
39.0%
40-59 < 23.0% 23.0 - 33.9% 34.0 - 39.9%
40.0%
60-80 < 24.0% 24.0 - 35.9% 36.0 - 41.9%
42.0%
Male
20-39 < 8.0% 8.0 - 19.9% 20.0 - 24.9%
25.0%
40-59 < 11.0% 11.0 - 21.9% 22.0 - 27.9%
28.0%
60-80 < 13.0% 13.0 - 24.9% 25.0 - 29.9%
30.0%
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INFORMATION ON BODY COMPOSITION
VISCERAL FAT
Visceral fat is found in the abdomen and surrounding vital organs. It is different from fat found directly
underneath the skin, which is referred to as subcutaneous fat. Visceral fat can go largely unnoticed
because it’s not visible to the naked eye. One way visceral fat can be seen is through Magnetic
Resonance Imaging (MRI).
Too much visceral fat is thought to be closely linked to increased levels of fat in the bloodstream, which
may lead to conditions such as high cholesterol, heart disease and type 2 diabetes. In order to prevent or
improve these conditions, it is important to try to reduce the amount of visceral fat levels to an acceptable
level.
Interpreting the Visceral Fat Level Result
* The data referenced by Omron Healthcare.
NOTE: Visceral fat levels are relative and not absolute values.
RESTING METABOLISM
Regardless of your activity level, a minimum level of energy is required to sustain the body’s everyday
functions. Resting metabolism, the amount of calories needed to supply the body with the minimum
level of energy, differs between individuals depending on variables such as age, weight, body
composition, and energy expenditure.
60-70% of daily energy use is for resting metabolism
The total amount of energy used by the body in a typical day is as follows:
Visceral Fat Level Level Classification
1 - 9 0 (Normal)
10 - 14 + (High)
15 - 30 ++ (Very High)
Resting metabolism Energy required to maintain vital functions.
Daily activity metabolism
Energy used for daily activities such as
commuting to work, household chores,
hobbies etc.
Diet-induced thermogenesis Energy emitted after eating a meal.
MRI Cross Section at the Navel Level
Subcutaneous Fat
Visceral Fat
Spine
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INFORMATION ON BODY COMPOSITION
The ratio of these is 60%-70% for resting metabolism, 20%-30% for daily activity, and 10% for diet
induced thermogenesis. This means that resting metabolism accounts for most of our daily energy
consumption.
If our daily caloric intake exceeds the amount of energy required for these activities, the additional
calories can be stored as fat.
SKELETAL MUSCLE
Skeletal muscle is the type of muscle that we can see and feel. When you work out to increase muscle
mass, skeletal muscle is being exercised. Skeletal muscles attach to the skeleton and come in pairs -- one
muscle to move the bone in one direction and another to move it back the other way. Increasing skeletal
muscle will increase your body’s energy requirements. The more muscle you have, the more calories
your body will burn. Building skeletal muscle can help prevent “rebound” weight gain. The maintenance
and increase of skeletal muscle is closely linked to resting metabolism rate.
Interpreting the Skeletal Muscle Percentage Result
Source: Omron Healthcare
Gender Age – (Low) 0 (Normal) + (High) ++ (Very High)
Female
18-39 < 24.3% 24.3 - 30.3% 30.4 - 35.3%
35.4%
40-59 < 24.1% 24.1 - 30.1% 30.2 - 35.1%
35.2%
60-80 < 23.9% 23.9 - 29.9% 30.0 - 34.9%
35.0%
Male
18-39 < 33.3% 33.3 - 39.3% 39.4 - 44.0%
44.1%
40-59 < 33.1% 33.1 - 39.1% 39.2 - 43.8%
43.9%
60-80 < 32.9% 32.9 - 38.9% 39.0 - 43.6%
43.7%
Food
Daily activity metabolism
Diet-induced thermogenesis
Resting metabolism
Calories
Calories
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INFORMATION ON BODY COMPOSITION
BODY AGE
Body age is based on your resting metabolism. Body age is calculated by using your weight and body fat
percentage to produce a guide to judge whether your body age is above or below the average for your
actual age. To know your body age is useful to improve your health condition.
Body age varies according to Body composition and resting metabolism, even if
your height and weight is the same
The figures below shows some examples of body age.
The example on the left has a body age of 30, or average body composition for the actual age.
The example in the middle has a lower body fat percentage than average and higher resting metabolism,
which results in a body age of 25 that is younger than the actual age.
The example on the right has a higher body fat percentage than average and lower resting metabolism,
which results in a body age of 35 that is older than the actual age.
Body Age: 30 Body Age: 25 Body Age: 35
Weight (kg)
BMI
Body Fat Percentage (%)
Resting Metabolism (kcal)
54.8 54.8 54.8
22.0 22.022.0
15.8
31.5
22.6
1230
1264
1179
Example:
Actual age: 30 years old
Height: 1.58 m
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INFORMATION ON BODY COMPOSITION
LONG-TERM PLANNING FOR SUCCESSFUL WEIGHT LOSS
There are lots of reasons for people to lose weight. To be healthier. To look better. To feel better. To have
more energy.
No matter what the reason, successful weight loss and healthy weight management depend on sensible
goals and expectations. If you set sensible goals for yourself, chances are you will be more likely to meet
them and have a better chance of keeping the weight off.
The foundation of a successful weight loss program remains a combination of a healthy diet and exercise
customized for you. Simply reducing food intake to lose weight can lead to a decline in muscle mass and
bone density. So even though your weight goes down, your resting metabolism is reduced making the
body more prone to putting on fat.
The scale tracks your progress by monitoring weight, body fat, BMI and resting metabolism rate to help
you reach your goals.
Here is a comparison of losing weight quickly versus slowly:
Example comparing the same loss of 10 kg:
75
70
65
1234567
Weight
(kg)
Months
80
Fat reduction: 3 kg
A starvation diet produces rapid
weight loss of 10 kg,
but disrupts body mass...
A healthy diet
with weight loss of 10 kg...
Lean body mass reduction
(muscle, bone, etc.): 7 kg
Fat reduction: 9 kg
Lean body mass reduction
(muscle, bone, etc.): 1 kg
Change in body fat percentage
Before diet:
After diet:
36.0%
36.9%
Body fat percentage
Lean body mass (muscle, bone, etc.)
greatly reduced, while the body fat
percentage has not changed.
Change in body fat percentage
Before diet:
After diet:
36.0%
28.3%
Body fat percentage
Body fat percentage reduced to a normal
level.
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INFORMATION ON BODY COMPOSITION
RECOMMENDED MEASUREMENT TIME
Being aware of the time when the body fat percentages shift within your daily schedule will assist you in
obtaining an accurate trend of your body composition. It is recommended to use this unit in the same
environment and daily circumstances. With reference from the chart below:
Avoid Taking Measurements Under the Following Conditions:
- Immediately after vigorous exercise, after a bath or sauna.
- After drinking alcohol or a large amount of water, after a meal immediately (about 2 hours).
If a measurement is taken under these physical conditions, the calculated body composition may differ
significantly from the actual one because the water content in the body is changing.
Results may differ from actual body fat percentage
There are certain conditions when significant differences may occur between the estimated and the actual
body fat values. The body composition for these people may vary due to the large variations in the
average value for the amount of water and tissue density within their bodies.
The body fat percentage measured by this unit may significantly differ from the actual body fat
percentage for the following people:
• Elderly people
• People with a fever
• Body builders or highly trained athletes
• People undergoing dialysis
• People with osteoporosis who have very low bone density
• People with edema (swelling in the body)
• Children in growth stage
•Pregnant women
Daily activities
Waking up
Breakfast
Lunch
Dinner
Going to bed
2 hours
2 hours
2 hours
Recommended time
Recommended time
Recommended time
Recommended time
About 2 hours or more after a meal
After waking up
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