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Read these instructions for use carefully and keep them for later use, be sure to make them accessible to other users and observe the information they contain.
The measurement principle
This scale works on the principle of B.I.A. (bioelectrical impedance analysis). This involves the calculation of body content in a matter of seconds, using a current that cannot be felt, is completely harmless and does not pose any risk.
When this measurement of the electrical resistance (impedance) is considered alongside constants and/ or individual values (age, height, gender, activity level), the 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 diagnostic bathroom scale only represent an approximation of the actual medical analytical values for the body. Only a specialist doctor can precisely establish the body fat, body water, muscle percentage and bone structure using medical methods (e.g. computer tomography).
Check that the device packaging has not been tampered with and make sure that all contents are present. Before use, ensure that there is no visible damage to the device or accessories and that all packaging material has been removed. If you have any doubts, do not use the device and contact your retailer or the specified Customer Services address.
The device is only intended for weighing humans and for recording your personal fitness data. The device is only intended for private use, and not for medical or commercial purposes.
If present, pull the battery insulating strip off the battery compartment cover or remove the battery's protective film and insert the battery according to the polarity. If the scale does not function, remove the batteries completely and reinsert them.
When supplied to the customer, the scale is set to weigh in "kg". Switch on the scale by briefly applying pressure to the standing surface with your foot (approx. 1-2 seconds). Wait until " kg" appears in the display. To the rear of the scale, there is a button where you can select "pound" and "stones" (lb, st).
Place the scale on an even, hard surface; a hard surface is crucial for achieving accurate measurements.
To measure your body fat percentage and other physical data, you must enter your personal user parameters.
The scale has 10 memory positions in which you and other members of your family can save and recall personal settings. Please note that the memory begins with 1.
Switch on the scale (tap the standing surface). Wait until the display shows "".
Then press "SET". The first memory position will appear flashing on the display. Now you can enter the following settings:
Memory position | 1 to 10 |
Age | 10 to 99 years |
Body size | 100 to 220 cm (3'-03" to 7'-03") |
Sex | male ( ![]() ![]() |
Degree of activity | 1 to 5 |
Selection of the degree of activity must refer to the medium and long term.
Degree of activity | Physical activity |
1 | None. |
2 | Low: A small amount of light physical effort (e.g. short walks, light garden work, gymnastic exercises). |
3 | Medium: Physical effort for 30 minutes at least 2 to 4 times a week. |
4 | High: Physical effort for 30 minutes at least 4 to 6 times a week. |
5 | Very high: Intensive physical effort, intensive training or hard physical work for at least one hour daily. |
After all parameters have been entered, you can now measure your weight, body fat and the other data.
Place the scale on an even, hard surface; a hard surface is crucial for achieving accurate measurements.
General tips
Switch on the scale (tap the standing surface). Wait until the display shows "".
Whilst the other parameters are being measured, "_ _ _ _" appears.
The measurement is displayed shortly afterwards.
If a user has been assigned, the BMI, body fat, water, muscle, bone, AMR are shown. This is the case if the initials are shown.
Note: Your feet, legs, calves and thighs must not touch each other. Otherwise the measurement cannot be performed correctly. The scale immediately begins to measure your weight.
The following data are displayed:
Note: When taking a body fat measurement, the most recently selected user will always appear in the display.
Only measuring weight
Step onto the scale wearing shoes. Stand still with your weight distributed equally on both feet. The scale begins to take measurements straight away.
Switching off the scale
The scale switches itself off automatically.
The following body fat percentages serve as a guideline (for further information please consult your doctor).
Male
Age | Low | Normal | Moderate | High |
10–14 | <11% | 11–16% | 16.1–21% | >21.1% |
15–19 | <12% | 12–17% | 17.1–22% | >22.1% |
20–29 | <13% | 13 –18% | 18.1–23% | >23.1% |
30–39 | <14% | 14–19% | 19.1–24% | >24.1% |
40–49 | <15% | 15–20% | 20.1–25% | >25.1% |
50–59 | <16% | 16–21% | 21.1–26% | >26.1% |
60–69 | <17% | 17–22% | 22.1–27% | >27.1% |
70–100 | <18% | 18–23% | 23.1–28% | >28.1% |
Female
Age | Low | Normal | Moderate | High |
10–14 | <16% | 16–21% | 21.1–26% | >26.1% |
15–19 | <17% | 17–22% | 22.1–27% | >27.1% |
20–29 | <18% | 18–23% | 23.1–28% | >28.1% |
30–39 | <19% | 19–24% | 24.1–29% | >29.1% |
40–49 | <20% | 20–25% | 25.1–30% | >30.1% |
50–59 | <21% | 21–26% | 26.1–31% | >31.1% |
60–69 | <22% | 22–27% | 27.1–32% | >32.1% |
70–100 | <23% | 23–28% | 28.1–33% | >33.1% |
Values will often be lower for fitness enthusiasts. Depending on the sporting activities performed, the training intensity and the physical constitution, the results may still be below the stated standard values. Please note, however, that there may be a risk to health in the case of extremely low values.
The body water content in % is normally within the following ranges:
Male
Age | Poor | Good | Very good |
10–100 | <50% | 50–65% | >65% |
Female
Age | Poor | Good | Very good |
10–100 | <45% | 45–60% | >60% |
Body fat contains relatively little water, therefore body water content may be below the standard values in persons with a high body fat percentage. On the other hand, endurance athletes may exceed the standard values due to having low levels of fat and a high muscle percentage.
The body water calculation performed using this scale is not suitable for drawing medical conclusions, for example in the case of age-related water retention. Consult your doctor where necessary. A high body water content is generally desirable.
The muscle percentage is normally within the following ranges:
Male
Age | Low | Normal | High |
10–14 | <44% | 44–57% | >57% |
15–19 | <43% | 43–56% | >56% |
20–29 | <42% | 42–54% | >54% |
30–39 | <41% | 41–52% | >52% |
40–49 | <40% | 40–50% | >50% |
50–59 | <39% | 39–48% | >48% |
60–69 | <38% | 38–47% | >47% |
70–100 | <37% | 37–46% | >46% |
Female
Age | Low | Normal | High |
10–14 | <36% | 36–43% | >43% |
15–19 | <35% | 35–41% | >41% |
20–29 | <34% | 34–39% | >39% |
30–39 | <33% | 33–38% | >38% |
40–49 | <31% | 31–36% | >36% |
50–59 | <29% | 29–34% | >34% |
60–69 | <28% | 28–33% | >33% |
70–100 | <27% | 27–32% | >32% |
Like the rest of our body, our bones are subject to natural growth, shrinking and ageing processes. Bone mass increases rapidly during childhood and reaches its peak between the ages of 30 and 40. As we age, our bone mass then begins to reduce. You can combat this reduction to an extent with the help of a healthy diet (particularly calcium and vitamin D) and regular physical exercise. The stability of your skeleton can be further increased by means of targeted muscle build-up.
Please note that this scale does not identify the total bone mass, but rather just the mineral content of the bone (without water content and without organic substances). It is very difficult to influence the bone mass, although it does fluctuate slightly within the scope of influencing factors (weight, height, age, gender).
There are no recognised guidelines or recommendations.
Please do not confuse bone mass with bone density.
The bone density can only be determined by means of a medical examination (e.g. computer tomography, ultrasound). It is therefore not possible to draw conclusions on changes to bones and bone hardness (e.g. osteoporosis) using this scale.
The active metabolic rate (AMR) is the amount of energy required daily by the body in its active state. The energy consumption of a human being rises with increasing physical activity and is measured on the Diagnostic bathroom scale in relation to the degree of activity entered (1– 5).
To maintain your existing weight, the amount of energy used must be reintroduced into the body in the form of food and drink. If less energy is introduced than is used over a longer period of time, your body will obtain the difference largely from the amount of fat stored and your weight will decrease. If, on the other hand, over a longer period of time more energy is introduced than the total active metabolic rate (AMR) calculated, your body will be unable to burn off the excess energy, and the excess will be stored in the body as fat and your weight will increase.
The body mass index (BMI) is a number that is often called upon to evaluate body weight. The figure is calculated from body weight and height. The formula is: body mass index = body weight: height². The measurement unit for BMI is [kg/m²]. According to the BMI, weight is classified for adults (20 years and over) using the following values:
Category | BMI | |
Underweight | Severely underweight | < 16 |
Underweight | 16-16.9 | |
Slightly underweight | 17-18.4 | |
Normal weight | 18,5-24,9 | |
Overweight | Overweight | 25-29,9 |
Obese (overweight) | Class I obesity | 30-34.9 |
Class II obesity | 35-39.9 | |
Class III obesity | ≥ 40 |
When calculating body fat and the other values, unusual and implausible results may occur in the case of:
Note: Please note that only the long-term trend is important. Brief deviations in weight within a few days are normally caused by loss of fluids.
The interpretation of the results is based on changes in total body weight, percentage of body fat, body water and muscle content, as well as on the length of time over which these changes occur. Rapid changes within the scope of a few days are to be considered separately from medium-term changes (in the scope of weeks) and long-term changes (months).
It can be said as a basic rule that short-term changes in weight are almost entirely changes in water content, whereas medium-term and long-term changes may also relate to the fat percentage and the muscle percentage.
Replacing the batteries/low battery indicator
Your scale is equipped with a low battery indicator. If you operate the scale with flat batteries, "Lo" will appear on the display and the scale will automatically switch off. In this case, the batteries must be replaced (2x 3V CR 2032).
The device should be cleaned from time to time.
This should be done using a damp cloth and, if necessary, a small amount of detergent.
If the scale detects an error during weighing, "FFFF" or "Err" appears in the display.
If you step onto the scale before "" appears in the display, the scale will not operate properly.
Possible causes of errors | Remedy |
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Model: | BF 195 |
Dimensions: | 31 x 31 x 2.3 cm |
Weight: | 1670 g |
Measurement range: | 3-180 kg |
Display: | The display can be read in increments of 0.1 kg. |
Repetition accuracy: | The measuring tolerance for repeated measurements is +/- 0.4 kg (several measurements in direct succession on the same scale with position of scale and person the same as far as possible). |
Absolute precision: | In comparison with a calibrated weight, the measured value is +/- (1% + 0,1 kg). E.g. at 40 kg this corresponds to +/- 0.5 kg; at 100 kg this corresponds to +/- 1.1 kg. |
Subject to technical changes.
The accuracy of the measurements and service life of the device depend on its careful handling:
The following symbols are used on the device, in these instructions for use, on the packaging and on the type plate for the device:
| Warning instruction indicating a risk of injury or damage to health | ||
| Safety note indicating possible damage to the device/accessory | ||
| Product information Note on important information | ||
![]() | Read the instructions | ||
![]() | The electronic device must not be disposed of with household waste | ||
![]() | Do not dispose of batteries containing hazardous substances with household waste | ||
![]() | Separate the packaging elements and dispose of them in accordance with local regulations. | ||
![]() | Marking to identify the packaging material. A = Material code, B = Material number: 1-7 = Plastics, 20-22 = Paper and cardboard | ||
![]() | CE labelling This product satisfies the requirements of the applicable European and national directives. | ||
![]() | United Kingdom Conformity Assessed Mark | ||
![]() | The products demonstrably meet the requirements of the Technical Regulations of the EAEU. | ||
![]() | The device may not be used by people with medical implants (e.g. pacemakers), as this may affect their functionality. | ||
![]() | Manufacturer | ||
![]() | Separate the product and packaging elements and dispose of them in accordance with local regulations. | ||
![]() | Importer symbol | ||
![]() | Do not load the scale beyond 180 kg/396 lb/28 st. | ![]() | Danger of slipping: do not step on the scale with wet feet. |
![]() | Danger of tipping: position yourself in the centre of the weighing surface. | ![]() | Place the scale on an even surface. No carpet. |
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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