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Microlife WS 200 BT
1 Electrodes (conductive ITO coating)
2 Display
3 Battery Compartment
4 KG / LB Switch
Read the instructions carefully before using this device.
Dear Customer,
This new electronic personal scale allows you to evaluate your
body composition and to automatically calculate the body fat and
water percentage in function of your height, age and sex. The
exact knowledge of your body composition (calculation of lean
body mass, fat body mass and total body water contents), allows
a correct estimate of the excess fat and at the same time deter-
mines the advisable weight as a function of your nutritional condi-
tion. Furthermore, the knowledge of your body composition allows
to combine a correct nutrition and physical activity as essential
conditions to improve the quality of life, promote health and
prevent pathologies.
Please read through these instructions carefully so that you
understand all functions and safety information. We want you to
be happy with your Microlife product. If you have any questions or
problems, please contact Microlife-Customer Service. Your dealer
or pharmacy will be able to give you the address of the Microlife
dealer in your country. Alternatively, visit the Internet at
www.microlife.com where you will find a wealth of invaluable infor-
mation on our products.
Stay healthy - Microlife AG!
Table of Contents
Garantee Card (see Back Cover)
1
1. Important Facts about Body Composition
It is important to know the body composition of an individual in
order to be able to estimate his/her health condition. It is not
enough to know one's weight but it is necessary to define its
quality, which means dividing the human body in its two major
component masses:
Lean body mass: bones, muscles, viscera, water, organs, blood
Fat body mass: adipose cells
Under the same conditions of weight, these two masses have
different volumes.
By means of electrodes placed on the platform, the scale sends a
weak low intensity electric current that passes through the body
mass. The electric current reacts in a different way according to
the masses it passes through: the lean body mass opposes a
weak resistance, while the fat body mass has a greater resis-
tance. This body resistance, called bioelectrical impedance,
varies also in function of sex, age and height.
For a correct control of one's ideal weight, it is important, besides
the weight, to compare the body fat percentage calculated by the
scale, with the parameters contained in the table and the body
water percentage, with the information listed hereinafter.
If the percentages are outside the normal values, we suggest
you consult your physician.
In order to better understand the value of your body fat percentage,
we suggest you write down this value for a given period of time. In
order to obtain a valid comparison, you should weigh yourself
always at the same time of the day and under the same conditions.
Body fat mass percentage
The percentage of fat listed in the following table represents the
total fat, calculated by summing up the essential fat (or primary fat)
and the spare fat (or storage fat). The essential fat is necessary
since it is needed for the metabolism.
The percentage of this fat is different between the two sexes:
about 4 % for men and about 12 % for women (percentage calcu-
lated on the total body weight).
The spare fat, which is theoretically superfluous, is necessary for
those who carry out physical activities. Even in this case, the fat
percentage is different between the two sexes: 12 % for men,
15 % for women (percentage calculated on the total body weight).
Therefore, the normal percentage of fat mass on the body weight
is approximately 16 % for men and 27 % for women.
Such percentages differ with the person's age as shown in the
table here below.
Women Excellent Good
Age
19
17.0
20-29
18.0
30-39
19.0
40-49
20.0
50
21.0
WS 200 BT
Over-
Normal
weight
Data in %
17.1-22.0 22.1-27.0 27.1-32.0 > 32.1
18.1-23.0 23.1-28.0 28.1-33.0 > 33.1
19.1-24.0 24.1-29.0 29.1-34.0 > 34.1
20.1-25.0 25.1-30.0 30.1-35.0 > 35.1
21.1-26.0 26.1-31.0 31.1-36.0 > 36.1
EN
Obese
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