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PRINCIPLES OF ESTIMATING BODY FAT PERCENTAGE
Tanita Body Fat Monitor/Scales allow you to determine your body fat
percentage at home as easily as you measure your weight.
What is Body Fat Percentage?
Body fat percentage is the percentage of fat in your body. Too much body
fat has been linked to conditions such as high blood pressure, heart
disease, diabetes, cancer, and other disabling conditions.
1, 2
Body Fat Ranges for Standard Adults
Underfat
Healthy
Female
20–39
Age
40–59
60–79
0%
10%
20%
Male
20–39
Age
40–59
60–79
Underfat
Healthy
Overfat
The BIA Method
Tanita Body Fat Monitor/Scales use the BIA (Bioelectrical Impedance
Analysis) technique. In this method, a safe, low-level electrical signal is
Tanita's patented "foot-pad"
passed through the body. It is difficult for the signal to flow through fat in
design sends a safe, low-
the human body, but easy to flow through moisture in the muscle and other
level electrical signal
through the body to
body tissues. The difficulty with which a signal flows through a substance
determine its composition.
is called impedance. So the more resistance, or impedance, the signal
encounters, the higher the body fat reading.
Body Fat Percentage Fluctuations in a Day
Hydration levels in the body may affect body fat readings. Readings are
usually highest in the early waking hours, since the body tends to be
dehydrated after a long night's sleep. For the most accurate reading, a
person should take a body fat percentage reading at a consistent time of day
under consistent conditions.
Besides this basic cycle of fluctuations in the daily body fat readings,
variations may be caused by hydration changes in the body due to eating,
drinking, menstruation, illness, exercising, and bathing. Daily body fat
readings are unique to each person, and depend upon one's lifestyle, job
and activities.
2
Overfat
Obese
1
Based on NIH/WHO BMI Guidelines.
2
As reported by Gallagher, et al,
at NY Obesity Research Center.
To determine the percentage of body fat
30%
40%
that is appropriate for your body,
consult your physician.
Obese
FEATURES AND FUNCTIONS
1.
Measuring Platform
2.
1. Display Screen
3.
2. Set Button
4.
3. Arrow (Select) Buttons
4. Ball-of-Foot Electrodes
5. Heel Electrodes
3.
6. Personal Keys
4.
7. Weight-Only Key
5.
6.
7.
Accessories
8. AA-Size Batteries (4)
PREPARATIONS BEFORE USE
Inserting the Batteries
Open the battery cover on the back of the measuring platform. Insert the
supplied AA-batteries as indicated.
Note: Be sure that the polarity of the batteries is set properly. If the batteries are
incorrectly positioned the fluid may leak and damage floors. If you do not intend to use this
unit for a long period of time, it is advisable to remove the batteries before storage.
Please note that since the batteries were inserted at the factory, their energy
levels may have decreased.
Positioning the Monitor
Place the measuring platform on a hard, flat surface where there is minimal
vibration to ensure safe and accurate measurement.
Note: To avoid possible injury, do not step on the edge of the platform.
Handling Tips
This monitor is a precision instrument utilizing state-of-the-art technology.
To keep the unit in the best condition, follow these instructions carefully:
• Do not attempt to disassemble the measuring platform.
• Store the unit horizontally, and place it so that the buttons will not be
pressed accidentally.
• Avoid excessive impact or vibration to the unit.
• Place the unit in an area free from direct sunlight, heating equipment,
high humidity, or extreme temperature change.
• Never submerge in water. Use alcohol to clean the electrodes and glass
cleaner (applied to a cloth first) to keep them shiny; avoid soaps.
• Do not step on the platform when wet.
• Do not drop any objects onto the platform.
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8.
Open as shown.
Direction of the batteries.
3
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