How to achieve the highest measurement accuracy with the help of industrial scales

How to achieve the highest measurement accuracy with the help of industrial scales

From Egyptian beam scales to industrial scales

Around 7000 years ago, the Egyptians invented the beam balance and thus the first measuring instrument known to man. Almost 2,100 years ago, the Romans then invented the quick scale. In both systems, a counterweight is used to balance the weight of any object to be determined. Since these two inventions, the method of determining weight has not changed for almost 2,000 years. Only in the 20th century could the way of weighing be revolutionized. The invention of the measuring method using strain gauges was the cornerstone of the electronic scale. Electronic scales are used in almost all industrial scales today.

What do you need industrial scales for?

The areas of application for industrial scales are just as heterogeneous as the landscape of the industrial sectors. Often they are used for verification. This check can be carried out for both incoming and outgoing goods, but it can also be integrated into production sequences and processes. Many goods are made up of a wide variety of components. Especially in the chemical industry precise compositions are of the utmost importance. Whereas in industries with heavier guns, like the steel industry, every last milligram doesn’t matter.

What types of industrial scales are there?

There are many different types of industrial scales. The most important ones are presented below.

The smallest but also the most sensitive scale is the precision balance. It is high-resolution and determines the weight of an object to a hundredth of a milligram. The maximum weight is usually between 50 and 70 kilograms. Precision balances are mobile and can be easily transported.

The next largest scale is the counting scale. It is also mobile and ideal for smaller measurements between 0.1 grams and several kilograms. The special thing about the counting scale is that it can determine the number of parts by mass. So she can not only determine the weight of a collection of objects (e.g. screws), but also the number. This property can be of particular interest when inventorying warehouses.

the bench scale is the counterpart to the precision balance, but on a larger scale. The industrial scales, which are also mobile, provide precise measurement results from the gram range to several hundred kilograms.

Furthermore, there is the floor scale. The floor scale can already weigh a lot, which is why it is one of the stationary scales. The floor scale is no longer about the most accurate values, since measurements of up to 10,000 kilograms can be recorded with the floor scale. In industry, for example, this scale can be used to measure pallets, lattice boxes or other large deliveries.

Similar to the floor scale is the drive-through scale. It can also be used stationary. The scale is designed in such a way that pallet trucks or industrial trucks can drive directly onto the scale. The weight of goods can be measured directly when unloading or reloading, which saves time.

Since the pallet is one of the most commonly used ways to move goods from A to B, many other tools in the industry are adapted to the dimensions of the pallet. Forklifts or pallet trucks are mainly developed to transport goods on pallets. the pallet scaleadopts this concept. They are suitable for any pallet and can weigh several thousand kilograms.

In addition to these scales, there are of course many other industrial scales that meet the needs of industry.

How do industrial scales work?

The DMS method is used in most electronic scales. DMS stands for strain gauges. The scale converts the weight acting from above into a deformation with a built-in element. This deformation or elongation is measured by the strain gauge and converted into a weight specification.

Calibration cycle for industrial scales

Depending on which industrial scales you use in your company, they must be calibrated at different regular intervals. The calibration is carried out by the responsible calibration authority. The authority checks whether the scales are within the permissible error limits and meet the requirements. Only scales with a type approval can be verified. Scales with a weighing range of up to 2,999 kilograms must be verified every two years and scales with a weighing range above this have a three-year verification cycle. Checkweighers that are subject to the pre-packaging regulation have somewhat stricter requirements and must be checked in the annual calibration cycle.

The right choice from the industrial scales

Depending on the application for which you need an industrial scale, different industrial scales or different types of industrial scales are possible. If you are considering purchasing an industrial scale, then you are well advised to involve a professional in your considerations. In a consultation, he can present you with the right solutions for your specific requirements. The expertise and quality of Industrial scales from As-Wägetechnik GmbH are highly recommended in this regard.

Industrial scales: buy or rent

Last but not least, when purchasing an industrial scale, you have to decide which type of purchase is the right one. Many providers offer both the purchase and rental of an industrial scale. Here, too, your requirements for the scale play an important role. If you only need the scale for one project, it could be advantageous to rent the scale for the project period. If the scales are to be a long-term part of your business, buying them could be the right decision.

Conclusion

The selection of industrial scales could not be more diverse. But only through this high level of diversification is it possible to offer the various branches of industry precisely the scales that are required for the success of the company. In any case, an expert should be involved in your acquisition process. This saves you a lot of time doing research and you can be absolutely sure that you will end up with the perfect industrial scale for your needs.

Photo credit: Sergey / stock.adobe.com

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