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Personal scales: Calibrated or non-calibrated what is the difference?

An uncalibrated bathroom scale may have a total deviation of up to three weighing units. This means the following: If the weight is given in 100 grams, the deviation may be +/- 300 grams. A calibrated digital bathroom scale, on the other hand, may only have a deviation of up to a single unit of weight when calibrated. This means that if the weight is indicated in 100 gram increments, the deviation may be a maximum of +/- 100 grams.

With a view to an additional measure of safety and efficiency, both compliance with the respective legal requirements in accordance with the applicable calibration law and the precision of the scales are checked, monitored and confirmed by the responsible calibration office.

Are you interested in other calibrated scales for the professional sector? We offer a wide range of precision scales from laboratory scales to analytical scales.

Information about calibration

Calibrated and uncalibrated personal scales are available. At we offer you a wide range of high quality, calibrated personal scales, which are characterised by high precision and particular user-friendliness. Let our experts advise you on the advantages of a calibrated bathroom scale and learn about the consequences of using uncalibrated scales.

Are you interested in a calibrated bathroom scale? Then don’t hesitate to contact our experts for a no-obligation consultation. Our services regarding the calibration of a new scale are included in the product price.

Where do you need calibrated personal scales?

In a wide variety of areas, it is mandatory to use a personal scale that has been calibrated. For example:

  • Personal scales that are used in sports areas such as gyms, e.g. for measuring the body weight of athletes.
  • Personal scales used in the health sector or in professions such as physiotherapy, nursing or nutritional counselling.
  • Personal scales used in the medical sector, for example in doctors’ surgeries and hospitals, especially in baby wards.
  • Scales used for pharmaceutical or medical analyses, e.g. analytical scales in laboratories.
  • Scales used for official purposes, for example at competitions or by the veterinary office.

Legal requirements regarding calibration

The calibration of a scale is also called conformity assessment. It is the official testing of a scale with regard to the evaluation of the correct unit of measurement and weight of the respective measurement to be tested. Once a scale has been calibrated, it is provided with the calibration seal. This guarantees that the actual weight of the goods to be weighed corresponds to the weight displayed within legally permitted tolerance values.

Only scales with the appropriate type approval can be calibrated or conformity assessed. In general, the approval procedure in this context is quite time-consuming and costly. In order to avoid a penalty payment by the calibration authority, it is indispensable to agree on a new date for the calibration of the measuring instrument in question at least ten weeks before the expiry of the calibration period.

Note from the MedSolut experts:
This period always ends at the end of a calendar year. For example, if the scale in question was first calibrated in July 2017, the calibration will be valid until the end of 2019. The current EU Directive 90/384/EEC explicitly specifies the areas in which calibration is mandatory.

How often does a scale have to be recalibrated?

  • In Germany, recalibration is generally required every two years, but there are exceptions.
  • Scales with a maximum weighing capacity of 3,000 kilograms or more must be recalibrated every three years.
  • Medical scales used in hospitals, for example, must be calibrated every four years .

The law states that the scales to be calibrated must be registered with the relevant weights and measures office within six weeks of being put into operation at the respective place of installation . This can usually be done online at

Which verification classes are there?

The following verification classes of scales are distinguished:

  • Analytical scales are subject to calibration class I .
  • Precision scales are subject to calibration class II .
  • Industrial scales and shop scales are subject to calibration class III .

The verification period for verification classes I to III is two years.

Buy calibrated bathroom scales at MedSolut Your advantages:

Order your calibrated bathroom scales now at and benefit from a first-class product, service and performance portfolio.

  • Whenever you need technical support for the commissioning, verification or calibration of measuring instruments, you can rely on our friendly team of experts.
  • We work closely with a large number of renowned manufacturers of measuring instruments and can therefore guarantee our discerning customers prompt and transparent processing as well as excellent assistance with all questions.
  • Do you have any questions about installation or the current calibration guidelines? Then we look forward to hearing from you. Of course, our services with regard to the calibration of your new scales are included in the product price.
  • You can rely on us to deliver your ordered products without delay. Our quality-conscious corporate customers also appreciate this aspect.

Special personal scales at MedSolut

Discover the extensive range at and find the calibrated bathroom scales that best suit your company. Among others, we have the following scales for you in our portfolio:

Baby scales

Especially in the first weeks of a child’s life it is essential to check the food and weight gain. This is the only way to check whether the baby is developing healthily. Order a new baby scale now at

Wheelchair scale

A wheelchair scale has a particularly large weighing surface and is usually equipped with a practical ramp, making it much easier to drive onto the scale with a wheelchair.

Chair scale

The chair scale is a personal scale that is used in hospitals, among other places, to weigh people who have difficulty standing and walking. It is comparable to a wheelchair scale.

Personal scales with obesity range

A personal scale that is calibrated and designed for the obesity range is characterised by a particularly large weighing plate and a weighing range of up to 300 kg.

Stand-up scale

The standing scale has integrated supports to make it easier to weigh people who have difficulty standing or walking. At we offer highly functional personal scales that are compliant with the Medical Devices Act (MPG).

Buy calibrated bathroom scales: Criteria for selection

When it comes to buying a functional bathroom scale that is calibrated, you can trust the professionalism of the MedSolut experts. These are the criteria you should look for when you need a calibrated medical scale:

  • The weighing surface should be suitable for the group of people whose weight is to be medically checked (babies, wheelchair users, obese patients or normal-weight adults).
  • What load capacity is required? Does your institute primarily weigh babies, heavyweight persons or normal-weight adults? The load capacity should be appropriate for this target group.
  • Readability is essential to obtain accurate readings.
  • Special functions, such as the additional option of measuring body fat, are particularly helpful for personal scales in different departments.

Order calibrated bathroom scales now we will be happy to advise you!

Order your calibrated bathroom scales now and take advantage of our professional advice. We look forward to receiving your message by e-mail at [email protected] or your call at +49 30 209 657 900. What can we do for you?