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How does an electronic counting scale work?
An elastic spring body is built into the counting scale. This is connected to a strain gauge. If the weighing surface is loaded, the strip is compressed and stretched again when the load is removed.
These movements change the electrical resistance. This is detected and measured, whereby the weight of the respective object can be determined.
With appropriately designed models, this procedure ensures a high degree of accuracy. It is precisely this precision that is of decisive importance in many areas. In addition to its use in laboratories, the Gert can also be used in industry, for example. It is always required when weighing has to be accurate to grams or milligrams.
Use of the Zhlwaage
The counting scale can be used not only in laboratories and pharmacies. Precision weighing may also be required in doctors’ surgeries, during inspections and in bros. For example, for:
- the weighing of ingredients or ingredients
- weighing letters and parcels
- checking coins
- the detection of falsified goods
- Checking the quality of goods
Counting scales: additional functions and design variants.
The practical scales are available in several different versions. The different features represent important factors for the respective suitability. The functions and criteria include, among others:
- Tare function
- piece count function
- Size of the weighing plate
- capacity or load capacity
- Weighing accuracy
- Precision in movements
The tare function is a practical tool that can be used to deduct the respective containers. This makes it very easy to determine the net weight. This function is absolutely necessary for liquids, for example, but also for fine powders.
Piece count function
By weighing and entering the respective piece numbers, the weight of the individual items can be determined. This makes it possible – for example with tablets or ampoules, but also with screws and other smaller objects – to avoid counting and to determine the number of pieces by simple weighing.
Size of the weighing plate
The size of the weighing plate must be suitable for the intended use:
- Small dimensions are sufficient for small objects.
- For larger containers or animals, on the other hand, the electric scale must have a larger weighing plate.
For example, for a box with screws in the trade, it is easily sufficient to use the weighing plate in the size of a DIN A4 sheet of paper. For living creatures or larger items to be weighed, on the other hand, it must be considerably larger.
Capacity or load capacity
Again, depending on the intended use, the scale must have different capacities. A completely different capacity is required for weighing larger quantities than for weighing ingredients in the milligram range.
Therefore, this is a decisive factor for the purchase decision.
For a letter or a parcel, a milligram is not important, but for medical products it is. How precise the scale has to be therefore depends on the application. However, it is not only the design and quality that play a decisive role. Adjustment and calibration are also important.
Precision in movements
When weighing living beings or liquids, movement must be expected. For this reason, results can be falsified.
An exception to this is the use of scales, which can give accurate results despite movement on the weighing plate. However, such a function is not useful for simple weighing of active ingredients.
Operation of the counting scales
Smaller models can be battery-operated. This is advantageous if they need to be used independently of a power source. This makes them mobile and therefore more practical in some situations.
Our range at MedSolut.com Quality counting scales from KERN
The counting scales from KERN & Sohn are of high quality and reliable in their function. In addition, the manufacturer offers various models that can be selected to suit the respective application.
KERN Counting System CCS
The KERN counting system models of the CCS series offer a piece count function, high accuracy and a corresponding size. The operation is simple and easy to understand. Therefore they can be used quickly. Due to their versatility, they are also suitable for a wide range of applications.
KERN CCA counting system with calibration approval
A calibration approval for this type of scale is always important when a particularly high accuracy is required and this must be verified. KERN & Sohn also offers suitable versions for this purpose. Despite the numerous advantages, the scales can already be purchased at low prices.
Calibration of the counting scale
Calibration of the counting scale should be easy and quick. This is the only way to achieve reliable results. By using test weights and adjustable settings, it can be ensured that correct data is always obtained.
It is therefore also important that the scale in question has a calibration certificate and the corresponding adjustment options. How the calibration and adjustment can be carried out depends on the respective model. Therefore, you should always follow the manufacturer’s instructions.
Buying counting scales – the most important factors at a glance
When choosing the right scale, various factors must be taken into account. Among them are:
- Weighing range
- Tare function
- Piece count function
- easy operation
- easy to read display
- simple calibration and adjustment
High-quality counting scales for your area of application
With the wide range of counting scales available, it is not always easy to make the right choice. We at MedSolut.com are here to help you with words and deeds. Benefit from our advice and comprehensive knowledge of laboratory equipment and the like.
So do not hesitate to contact us. Our experienced service team is always available to advise you on everything to do with the various models. You can reach us by phone at +49 30 209 657 900 or by email at [email protected]