Article by W&J Instrument CO., LTD.: The Difference Between An Analytical Balance And a Precision Balance

Article by W&J Instrument CO., LTD.: The Difference Between An Analytical Balance And a Precision Balance

W&J Instrument CO., LTD. (China) - Weight is a term we often come across in our lives. Everything that exists around us has a certain weight or mass. The weight is measured by various scales readily available in our market. The weighing industry mainly depends on the accuracy of the balance. In order to get accurate results, the accuracy of weight is very important. In all trades, from the purchase of vegetables in the market to the weighing of small weights in the laboratory to be exact in scales, the use of scales has been widely distributed in all trades in our society.

Balances are necessary in any type of laboratory where the minimum mass of the submilligram level must be precisely measured. Analytical balances or laboratory balances are ideal for measuring very small amounts of mass accuracy, even small environmental variables (EVs) can affect the accuracy of the results. Therefore, the balance is always kept in a closed box to prevent the quality from being affected by the outside world. Another type of balance used in the laboratory is the precision balance, which is also used to balance small amounts of mass and precision, but is not as precise as the analytical balance.

What is an analytical balance?

Analytical balances, also known as laboratory balances, are highly sensitive laboratory balances used to accurately weigh the minimum mass. Because the device is inherently sensitive, and the breeze can even affect the results, we often see the device placed in protective glass rooms and in quiet, unobfuscated rooms. The analytical balance has a better ability to read weight, with scales ranging from 0.1mg to 0.01mg. These are commonly found in chemistry LABS, but are also used in school LABS and pharmaceutical colleges and laboratories. But they are not used for commercial purposes at all.

Some common features or functions of an analytical balance:

  • It comes with check counting
  • Although the balance has a small mass capacity, it ensures a large result without having to put all the materials in the balance
  • Percentage weighting features provide more accurate and faster recipes
  • It comes with an automatic formatting system, which can save researchers more time to work in the lab
  • Large, bright displays with software in many languages make it available in all countries

What is a precision balance?

The meaning lies in the name of the precision balance used to weight the mass to its exact number. Its capacity varies from grams to kilograms. They are not as accurate as analytical balances, but more accurate than compact or benchtop scales. It is more robust and less sensitive than an analytical balance. This means that it is not easily affected by environmental factors and has a higher weight measurement capability than the weight measured by the analytical balance.

Some common features and functions of precision balance:

  • It has a large capacity and is strong enough to be weighed against any hard material
  • It is more widely used in various laboratories in chemistry, biology or physics.
  • Compared with analytical balances, they are cheap and are used in many industries that do not require much precision
  • It has multiple weighting functions, such as dynamic weighting, part counting, percentage weighting and so on.
  • It is a more durable device that can handle rough use.

The difference between an analytical balance and a precision balance:

  • Both scales are used to weigh small masses in the laboratory. However, there are some differences between these balances.
  • The results of analytical balances are more accurate than those of precision balances.
  • The analytical balance measures up to four decimal places to the right of the decimal point, while the precision balance measures up to three decimal places to the right of the decimal point.
  • Analytical balances can measure samples ranging from a few milligrams to a kilogram, while precision balances can measure from a few grams to a kilogram
  • The analysis is highly sensitive, susceptible to the influence of the surrounding environment, but the precision balance is not affected by the environment, and results can be obtained within one second.
  • Analysis requires constant monitoring, while precision balancing can be used roughly without much attention
  • Analytical balances are more expensive and only a few laboratory pharmaceutical companies use them, while precision balances are more economical and can be used in a variety of industries.

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