When talking about scales, the first image that comes to people’s minds is that instrument held by the blindfolded woman in representation of justice, which holds that iconic weighing instrument that consists of an arm and two plates suspended at the ends which are in perfect balance.

However, that is the image of the technology of yesterday, where 2 objects had to be placed and the weight was compared between them, and different amounts of objects were placed until the arm and plates of the balance were leveled among them. These objects that are measured, or rather compared on these scales, could be solid or liquid, based on some reference.

But, over time, the technology of scales has evolved (either for use in laboratories for measuring chemicals and reagents; or as a platform for weighing trucks), achieving greater precision to measure thousands of grams with total precision, without need to compare the measured objects with no referent.

Along with the advancement and development of scales, these could be implemented in practically all productive sectors, although each one with different types of scales for each of the tasks.


Scales used in laboratories

Like all scales, the laboratory scales have the function of measuring masses and volumes, however this one differs from the others due to its specifications and capacity. Where the maximum capacity can be from 2 to 6 grams depending on the model, this may seem like little, but in reality it is quite a lot because in laboratories they tend to measure thousandths of grams because they are mostly controlled substances.

In addition, all the elements of these scales are made of glass or aluminum, these materials give them resistance to corrosion by different chemical products and help eliminate the influence of electrostatic fields, but they are highly sensitive to external factors that even have draft shield cameras, to eliminate imperfect conditions in weighing rooms.

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Scales used in explosive environments

These balances vary in terms of the maximum capacity they can measure, since there may be scales with capacities from 1.5Kg to 6000KG, their main quality being the ability to withstand explosive environments (they are also known as zones 1, 21, 2 and 22) and as far as explosive environments are concerned, they speak more than anything about those with the presence of highly volatile gases and powders.

These scales are known as EX (Explosive Environments) or ATEX scales (Atmosphere Explosive) certified balances and are specially made to withstand such environments and keep working properly.

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Scales used in the food industry

Various types of scales are used in the food industry, however, as far as manufacturing processes within the industry are concerned, the most common scales are automatic weight controllers. These digital scales have magneto-electric modules that allow you to measure products quickly and accurately.


Scales used in industry

Many types of scales are used in industries, each type of scale can perform a different task and there may be many types of scales for the same industry, such as:

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