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What is a precision scale?
A precision scale weighs particularly accurately and can therefore display results down to 0.001 g . It is mainly used to determine mass and weight and is therefore used as a laboratory scale. They are mainly used to determine mass and weight and are therefore used as laboratory sc ales, among other things. However, it can also be used in industry when, for example, medicines or other substances with a low weight need to be weighed.
Precision scales vs. fine scales – the difference
The terms precision balance and precision scale are often used synonymously. This is because both are scales that give very accurate readings and for this reason can be used for particularly small weights. However, the weighing range of these scales can be differentiated.
Fine scales often have a larger capacity, whereas precision scales can only be used for small loads. Different characteristics can also be found with regard to accuracy and display. For example, particularly high-quality and precise scales show the weight up to 0.001 g, while other models may only have a display of up to 0.1 g.
Which model you choose depends on the intended use and the substances or items you want to weigh on the device.
Areas of application for precision scales
The areas of application for the scales are extremely varied. In addition to use in laboratories, they can also be used in examinations, in industry or even in bros, e.g. as letter scales. However, the latter, like use in the kitchen, does not require a large measuring range.
Precision scales in the laboratory
In the preparation of medicines and remedies, the highest precision is required. Powders and liquids must be weighed to more than the gram. Otherwise, the effectiveness of the medicines may be impaired or the risk of side effects increased. For this reason, the precision scales used must meet particularly high quality standards.
Precision scales in industry
High precision is required in the industrial production of small components, medicines or other products. The scales make it possible to carry out checks and thus verify the quality.
The scales can also be used in bread shops. For example, they are suitable for weighing mail. However, scales with a lower accuracy are usually sufficient for this purpose, but they can also weigh heavier items.
Precision scales in pharmacies and clinics
Pharmacies and clinics are also increasingly producing prescriptions that are required for the care of patients. To guarantee the highest quality, precision scales must deliver accurate results. However, it is not enough to select models with appropriate displays.
MedSolut.com your partner in calibration and adjustment
Your precision scales should always deliver reliable results. For this reason, it is important that calibration, adjustment and calibration are carried out regularly. The intervals at which and how these measures are to be carried out depend on various factors.
These include, for example, the design of the respective model and legal regulations. In addition, there are the conditions on site, such as temperature and air flow. If these change frequently, the scale must be adjusted accordingly. This ensures that precise values can be achieved at all times.
Important key figures of a precision scale
When choosing precision scales, you should keep various factors in mind. These include, of course, the accuracy and the possible measuring range. However, there are also other criteria that need to be taken into account.
The weighing range indicates which weights can be measured with the device. It should be selected according to requirements. This is especially true for larger weights. This is because the scale models usually only have a small weighing range. However, there are also exceptions, which are particularly useful in industry.
The display should be easy to read. In addition, there are often differences in the display and thus also in the calibration. A 0.001 g precision scale, for example, can also be used in the medical sector , whereas a 0.01 g precision scale is usually sufficient for components . The choice of model is therefore mainly determined by the requirements.
Dimensions of the weighing surface
The larger the weighing surface, the easier it is to weigh different objects. Again, however, the intended use is decisive for the choice. When weighing smaller objects and quantities such as powders, solutions, but also screws or other components, a large surface is not required.
The reproducibility of the results is an important indication of the accuracy and reliability of the scale.
The term linearity describes the accuracy of the measurements. The lower the value, the more precise the results.
The settling time or stabilisation time indicates how long it takes to obtain a precise result. Especially for frequent use, the settling time should be as short as possible so as not to create a time delay in the workflow. However, the stabilisation time must always be taken into account for accurate results.
Influence of draught and temperature on weighing results
Draft and temperature have a moderate influence on the sensitive instruments and can therefore affect the measuring accuracy. A windscreen can reduce the effect of draughts. If the temperature changes, you may need to readjust the scale accordingly.
MedSolut.com: Precision balances from leading manufacturers
MedSolut.com provides you with an extensive portfolio of models from leading manufacturers to ensure reliable quality. For example, you will find more than one precision scale from Kern, SHIMADZU and PHOENIX.
Kern already offers some models for a small budget. The scales from SHIMADZU and PHOENIX are characterised by a sometimes significantly higher load capacity, larger weighing surfaces and special features such as a draft shield.
Get a non-binding consultation on the right precision balance for your laboratory tasks now!
In order to make the right choice and find the right balance for your particular needs, you can take advantage of a detailed and individually tailored consultation by phone or e-mail.
This will ensure that you not only find the appropriate precision scales, but also that all questions regarding the handling of the equipment are clarified. You can reach us by phone at +49 30 209 657 900 and by e-mail at [email protected]