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This digital scale is intended for weighing and providing a diagnosis of your personal fitness data. It is intended for private use. The scale is equipped with the following functions, which can be used by up to 10 different people:
The scale also includes the following additional functions:
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 following symbols are used on the device, in these instructions for use, on the packaging and on the type plate for the device:
Indicates a potentially impending danger. If it is not avoided, death or serious injury will occur.
| Product information Note on important information |
![]() | Observe the instructions for use |
![]() | The electronic device must not be disposed of with household waste |
![]() | Do not dispose of batteries containing hazardous substances with household waste |
![]() | Marking to identify the packaging material. A = Material code, B = Material number: 1-7 = Plastics, 20-22 = Paper and cardboard |
![]() | Separate the packaging elements and dispose of them in accordance with local regulations. |
![]() | CE labelling This product satisfies the requirements of the applicable European and national directives. |
![]() | The products demonstrably meet the requirements of the Technical Regulations of the EAEU. |
![]() | United Kingdom Conformity Assessed Mark |
![]() | 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. |
Inserting the batteries
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 fails to operate, remove the battery completely and insert it again. Your scale is equipped with a "replace battery" indicator. When the scale is operated with a battery which is too weak, "Lo" appears in the display field and the scale automatically switches off. In this case the batteries must be replaced (1 x 3 V lithium battery CR2032).
Changing the weight unit
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).
Positioning the scale
Place the scale on an even, hard surface; a hard surface is crucial for achieving accurate measurements.
To calculate your body fat percentage and additional body values, you must save the personal user data.
The scale has 10 user memory spaces which allow you and members of your family to save and access personal settings, for example.
User data | Set values |
Users/persons | P-1 to P-10 |
Height | 100 to 220 cm (3-03" to 7-03") |
Age | 10 to 100 years |
Gender | Male (![]() ![]() |
Place the scale on an even, hard surface; a hard surface is crucial for achieving accurate measurements.
Measuring weight only
Step onto the scale. Stand still with your weight distributed equally on both feet. The scale begins to take measurements straight away. If the display appears continuously, the measurement has finished. If you step off the weighing area, the scale switches off after a few seconds.
Performing measurement and diagnosis
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:
Switching off the scale
The scale switches itself off automatically.
For a simpler and more easy to understand classification, your values are interpreted directly on the display.
Body fat percentage
The following body fat percentages serve as a guideline (for further information please consult your doctor).
Age | Low | Normal | Moderate | High |
Male | ||||
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 | ||||
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.
Visceral fat (organ fat/abdominal fat)
Visceral fat denotes fat that surrounds the internal organs within the abdominal cavity. Visceral fat is suspected of contributing to conditions such as high blood pressure or diabetes.
Visceral fat is shown in the display as a value between 1 and 59.
Visceral fat percentage value | Rating |
1 –9 | Your visceral fat percentage is in the normal range. |
10-14 | Your visceral fat percentage is in the elevated range. |
15-59 | Your visceral fat percentage is too high. |
Body water content
The body water content in % is normally within the following ranges:
Age | Poor | Good | Very good |
Male | |||
10–100 | <50% | 50–65% | >65% |
Female | |||
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.
Muscle percentage
The muscle percentage is normally within the following ranges:
Age | Low | Normal | High |
Male | |||
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 | |||
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% |
Body mass index (BMI)
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 | 18.5-25 | |
Overweight | Overweight | 25.1-29.9 |
Obese (overweight) | Class I obesity | 30-34.9 |
Class II obesity | 35-39.9 | |
Class III obesity | ≥ 40 |
Metabolic age
Metabolic age, also known as biological age, may differ from your actual/calendar-based age. It shows your "internal" age and gives you an indication of your state of health.
Genes play a role here, but also a healthy lifestyle (balanced diet, activity etc.). Your weight also affects your biological age – the higher your body mass index, the worse it is for your fitness.
Temporal context of the results
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.
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, "2" or "
" appears in the display.
If you step onto the scale before "0.0" appears in the display, the scale will not operate properly.
Possible causes of errors | Remedy |
The maximum load-bearing capacity of 180 kg was exceeded. | Only weigh the maximum permissible weight. |
Not standing still. | Stand as still as possible. |
The electrical resistance between the electrodes and the soles of your feed is too high (e.g. with heavily callused skin). | Repeat weighing barefoot. |
Slightly moisten the soles of your feet if necessary. Remove the calluses on the soles of your feet if necessary. | |
Your body fat lies outside the measurable range (less than 5% or greater than 80%). | Repeat weighing barefoot. |
Slightly moisten the soles of your feet if necessary. | |
The proportion of water is outside the measurable range (less than 43% or greater than 75%). | Please repeat the measurement barefoot. |
Dampen the soles of your feet slightly. |
Model: | BF 183 |
Dimensions: | 30 x 30 x 1.8 cm |
Weight: | 1549 g |
Measurement range: | 5-180 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% + 0.1kg), 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:
When calculating body fat and the other values, unusual and implausible results may occur in the case of:
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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