BF508
Body Composition Monitor
•Instruction Manual
•Mode d’emploi
•Gebrauchsanweisung
•Manuale di istruzioni
•Manual de instrucciones
•Gebruiksaanwijzing
•РУКОВОДСТВО ПО ЭКСПЛУАТАЦИИ
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.
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IM-HBF-508-E-05-07/2015 5320906-2E
Before using the unit
BF508 |
Notes on Safety |
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Body Composition Monitor |
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Please read these instructions carefully before use, and keep this manual for future reference. Do not use this unit for purposes other than described in this manual.
Contents |
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Before using the unit |
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Notes on Safety.................................................. |
1 |
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Information on Body Composition................... |
3 |
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Operating instructions |
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1. |
Know Your Unit ............................................. |
5 |
2. |
Inserting and Replacing the Batteries ........ |
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3. |
Setting and Storing Personal Data.............. |
6 |
4. |
Taking a Measurement ................................. |
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5. |
Measuring Weight Only............................... |
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Care and maintenance |
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6. |
Error Displays ............................................. |
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7. |
Troubleshooting.......................................... |
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8. |
How to Take Care of and Store the Unit.... |
13 |
9. |
Technical Data............................................. |
14 |
Notes on Safety
Symbols and definitions are as follows:
Danger: |
Improper use may cause danger resulting in death or serious injury. |
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Warning: |
Improper use may result in possible death or serious injury. |
Caution: |
Improper use may result in injury or property damage. |
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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 could cause these devices to malfunction, posing a considerable health risk to users of these devices.
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. Contains small parts that may cause a choking hazard if swallowed by infants.
•The cord of the display may cause accidental strangulation in infants.
•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.
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 EN 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.
•Remove the display unit from main unit before stepping on the unit. If you try to remove the display unit while stepping on to the unit, you may lose your balance and fall.
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Notes on Safety
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.
•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.
Read and follow the “Important information regarding Electro Magnetic Compatibility (EMC)” in the Technical Data Section.
2
Information on Body Composition
Principle of body composition calculation
Body fat has low electric conductivity
The BF508 measures 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 BF508 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 BF508.
In order for the scale to determine your 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 BF508 uses electrodes for both hands and feet to take measurements, it can reduce the influence of these fluctuations on measurement results.
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
Recommended time
Lunch
2 hours
Recommended time
Taking a bath or eating dinner
2 hours
Recommended time
Going to bed
After waking up
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
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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 (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.
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Information on Body Composition
What is BMI (Body Mass Index)?
BMI 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 BF508 uses the height information stored in your personal profile number or when entering information in the Guest Mode to calculate your BMI classification.
If the fat level revealed by BMI is higher than the international standard, there is an increased likelihood of common diseases. However, not all types of fat can be revealed by BMI.
What is Body Fat Percentage?
Body fat percentage refers to the amount of body fat mass in regards to the total body weight expressed as a percentage.
Body fat percentage (%) = {Body fat mass (kg) / Body weight (kg)} × 100
The BF508 uses the BI method to estimate your body fat percentage.
Depending on where the fat is distributed in the body, it is classified as visceral fat or subcutaneous fat.
What is Visceral Fat Level?
Visceral fat = fat surrounding internal organs
Too much visceral fat is thought to be closely linked to increased levels of fat in the bloodstream, which can lead to common diseases such as hyperlipidemia and diabetes, which impairs the ability of insulin to transfer energy from the bloodstream and using it in cells. In order to prevent or improve conditions of common diseases, it is important to try and reduce visceral fat levels to an acceptable level. People with high visceral fat levels tend to have large stomachs. However, this is not always the case and high visceral fat levels can lead to metabolic obesity. Metabolic obesity (visceral obesity with normal weight) represents fat levels that are higher than average, even if a person’s weight is at or below the standard for their height.
Visceral Fat
Subcutaneous Fat
Spine
Sample Visceral Fat (MRI image)
What is Subcutaneous Fat?
Subcutaneous fat = fat below the skin
Subcutaneous fat not only accumulates around the stomach but also around the upper arms, hips and thighs, and can cause a distortion of the body’s proportions. Although not directly linked to increased risk of disease, it is thought to increase pressure on the heart and other complications. Subcutaneous fat is not displayed in this unit, but is included in the body fat percentage.
Visceral Fat
Subcutaneous Fat
Spine
Sample Subcutaneous Fat (MRI image)
The reason calculated results may differ from actual body fat percentage
The body fat percentage measured by this unit may significantly differ from the actual body fat percentage in the following situations:
Elderly people (over 81 years old) / People with a fever / Body builders or highly trained athletes /
Patients undergoing dialysis / Patients with osteoporosis who have very low bone density / Pregnant women / People with swelling
These differences may be related to changing ratios of body fluid and/or body composition.
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1. Know Your Unit
Display Unit
Grip Electrodes
Display
Buttons |
Up/Down Buttons |
SET/MODE Button
USER Button 
GUEST Button
Cord
Display Unit Holder
Front View
Foot Electrodes
Power Switch
Main Unit (Measurement Platform)
2. Inserting and Replacing the Batteries
1.Open the battery cover on the back of the main unit.
1)Press the tab of the battery cover to release it.
2)Pull it up as shown.
Tab
2.Install the batteries in correct polarity as marked inside the battery compartment.
3. Close the battery cover.
Battery Life and Replacement
When the battery low indicator ( |
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replace all four batteries with new ones.
Personal data stored in memory are retained even if the batteries are removed.
•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.
•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.
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