General Tips - Beurer BF 221 Manual De Instrucciones

• On delivery, the scale is set to "inch" and "lb". To the rear of the scale, there is a button where you can
select "pound", "stone" and "kilogram" (lb, st, kg).
• Repairs must only be performed by Beurer Customer Service.
Introduction
This scale works on the principle of Bioelectrical Impedance Analysis (BIA). This involves a quick calculation
of body content using a harmless electric current that is not even noticeable.
When measurement of the electrical resistance (impedance) is considered alongside other data (age, height,
gender, and activity level), body fat percentage and other variables in the body can be calculated. Muscle
tissue and water conduct electricity well and therefore have a lower resistance. In contrast, bones and fat
tissue have low conductivity as the fat cells and bones are barely able to conduct the current due to very
high levels of resistance.
Please note that the values calculated by the analysis scale only represent an approximation of the actual
values for your body. Only a doctor can precisely establish body fat, body water, muscle percentage and
bone structure using medical methods.

General tips

• If possible, always weigh yourself at the same time every day (ideally in the morning), after having used
the restroom, on an empty stomach and with as little clothing as possible, in order to obtain comparable,
consistent results.
• Calculation of body fat may only be made when bare foot; the soles of the feet may be lightly dampened
where appropriate. Results may be unsatisfactory if the soles of the feet are completely dry or feature high
levels of the horny layer of the skin as this leads to insufficient conductivity.
• Stand up straight and still while weighing.
• Wait a few hours after significant physical exertion.
• Wait about 15 minutes after awakening so that your body's water content can normalize.
• Remember that only long-term trends are important. Brief deviations in weight within a few days are nor-
mally caused by loss of fluids; however, body water plays an important role in terms of well-being.
Limitations
When calculating body fat and additional values, deviating and unexpected results may occur in the case of:
• Children under 10 years of age
• Performance athletes and bodybuilders
• Pregnant women
• Persons with a fever, persons undergoing dialysis, persons demonstrating edema symptoms, and per-
sons suffering from osteoporosis
• Persons taking cardiovascular medicine (affecting the heart and vascular system)
• Persons taking vasodilating or vasoconstrictor drugs
• Persons with significant anatomical deviations in their legs compared with their overall body height (leg
length significantly shorter or longer).
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