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Definition: What is an analytical balance?

The analytical balance works with an extremely high precision at a resolution of 0.1 to 0.01 mg. Whether in pharmacies, laboratories, in medicine or in schools and universities, such a laboratory balance is indispensable in many areas.

Modern analytical balances work according to the principle of electromagnetic force compensation: a torque is generated by the weight of the material to be measured. The corresponding counter-torque is generated with the aid of electricity.

Usually, an electromagnetic system is used for this purpose, usually in the form of a coil in a permanent magnet. Any change in the coil current can be measured specifically and can be represented by the analytical balance as a weight value.

Difference to precision scales and microbalances

The analytical balance is highly sensitive and is characterised by the extreme precision of the measurements. The resolution is usually 0.1 mg, so that it is possible to weigh even very small amounts of substance. The microbalance, on the other hand, is even more accurate. The friendly team of experts at MedSolut.com will be happy to answer any questions you may have.

The minimum sample weight for analytical balances (d=0.0001) is 10 and 15 mg. Please note that according to current guidelines, one hundred times the standard deviation is permitted.

For comparison:

Microbalances are capable of determining values in a range of up to 1 g. A single hair with a length of ten centimetres weighs about 50 to 100 g. This can only be measured with a microbalance. This can only be determined with a microbalance.

Common functions of a modern analytical scale

Find the analytical balance that is perfectly tailored to the requirements of your institute, company or medical or educational institution on MedSolut.com.

The most important functions of the analytical balance:

  • With a laboratory or analytical scale you can weigh small quantities of material precisely.
  • Depending on the model, different weighing ranges are available.
  • The functionality with regard to the individual readabilities also speaks for the value of the laboratory scales.
  • Modern balances are designed for weighing capacities from 1 to 200 g and readabilities from 0.1 mg to 0.01 mg. More sensitive balances can be found on Medsolut.com under the category microbalances.
  • An integrated data and method storage via USB or RS232 connectivity is often provided.
  • A draft shield to protect the weighing pan from temperature fluctuations and air movements is also usually part of the equipment.
  • You will also find analytical balances with alignment, overload and underload indicators.

Areas of application of an analytical balance

Analytical balances are an essential work tool in pharmacies, scientific institutes and facilities, as well as in chemical and biological areas, but also in the physics industry. They can be used to accurately weigh chemicals and other substances as well as samples and more.

In addition, dynamic weighing of liquids, insects and other unstable samples is possible with modern analytical balances. In addition, parts, tablets or other components can be weighed and the density of substances and materials can be determined with an analytical balance.

Criteria for the selection of a laboratory analytical balance

You can choose between different analytical balances depending on the measurement project, the project and the size of the order. We will be happy to show you the most important attributes that a laboratory analytical balance should have in your company or institute. Let our team of experts advise you professionally.

The most important criteria of modern analytical balances for the laboratory:

Weighing range

Depending on the areas in which the analytical balance is to be used, you will find various models with corresponding weighing ranges on MedSolut.com. High-performance laboratory balances are characterised by weighing capacities from 1 to 200 g.

Readability

Depending on the respective field of application in your company, you will find analytical balances with readabilities from 0.1 mg to 0.01 mg in our online catalogue. So-called micro-analysis scales are characterised by the fact that they can be used for weighing considerably smaller quantities from about 0.1 mg upwards.

Accuracy and resolution

Accurate measurements are elementary in medical, pharmaceutical, biological or chemical fields. Therefore, choose analytical balances with a high performance portfolio. Models with electromagnetic force compensation excel with their very high resolutions and can achieve weighing accuracies of +/- 0.1 mg, among other things.

Repeatability

Due to external influences, it is sometimes necessary to carry out measurements several times in succession. The high-quality laboratory balances impress with their special repeat accuracy, so that you can always generate precise measurement results. We will be happy to help you with any questions you may have.

Type of draft shield

Air currents or movements in the ambient air can lead to inaccuracies in the measurements to be taken. To prevent this, the first-class laboratory balances on MedSolut are equipped with special draft shields. Depending on the model, these are made of robust glass or plastic. The corresponding segments can be opened both mechanically and electrically.

Frequently asked questions about calibration and adjustment

Accurate calibration and adjustment of analytical balances is the basis for generating accurate measurement results. Learn everything about the perfect functionality of your analytical balance on MedSolut.com. The following questions and answers can also help you in your search for the optimal product:

What is accuracy of an analytical balance and how can it be determined?

The weight of any balance is independent of its location. However, due to possible changes in temperature and ambient air, the measured values can vary. To prevent this, the exact setting of the analytical balance must be done individually and on site. The value of the deviation should not be more than +/- 1 mg.

Why does the analytical balance need to be calibrated?

In the course of use, the accuracy of an analytical balance may deteriorate. This is due to wear and tear of the material, but also due to other influences. Inaccurate readings can lead to high costs and incorrect recipes in a wide range of applications. Therefore, regular checking is indispensable.

How can an analytical balance be calibrated?

Calibration is carried out by an approved or certified service technician on the basis of a standardised procedure and with the aid of calibration software. We will be happy to show you the detailed procedure.

What tolerances apply when calibrating scales?

A distinction is made between legal tolerances, manufacturer tolerances and process tolerances. The former are defined by OIML R76 and determine the legal-for-trade conditions. In general, tolerances are an indication of the good or bad weighing precision of a scale.

Assortment of MedSolut.com top manufacturer of analytical scales

In our wide range of products you will find a variety of analytical balances from well-known manufacturers. Let yourself be convinced by the great variety on our platform. We will be happy to help you in your search for the optimal analytical balance.

Kern

The company Kern is one of the leading manufacturers of high-precision balances for laboratory and industry. The entire range of this manufacturer shines through its excellent quality.

Phoenix Instrument

The manufacturer Phoenix has been very successful on the market for many years and offers a comprehensive product portfolio with regard to scales and laboratory equipment. Discover the best solutions from Phoenix for your company on MedSolut.com.

Shimadzu

As an internationally active manufacturer of first-class balances and laboratory articles, the company Shimadzu has already established itself on the market years ago. We have the best analytical balances and more from Shimadzu ready for you in our range.

The ideal analytical balance for your laboratory or pharmacy – our experts will be happy to advise you!

Find the perfect analytical balance for your laboratory or pharmacy now at MedSolut.com. Our highly motivated team of specialists will be happy to assist you. You can reach us by phone at +49 30 209657900 or by e-mail at [email protected] We look forward to meeting you.