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Comparison Dr. Oetker 2145 vs Saturn ST-KS7235

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Dr. Oetker 2145
Saturn ST-KS7235
Dr. Oetker 2145Saturn ST-KS7235
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from $8.09 up to $18.00
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Scales typekitchenkitchen
Mechanismmechanicalelectronic
Max. measurement weight5 kg5 kg
Scale division20 g1 g
Features
Functions
 
 
 
volume measurement
automatic activation
automatic switch-off
General
Bowl
Platform / bowl materialmetalglass
Color
Added to E-Catalogjuly 2017october 2011

Mechanism

— Mechanical. One of the simplest weighing systems, known for a long time and has not lost popularity to this day. Typically operating on the spring principle, this design features a scale platform that compresses a spring as weight is applied (with greater weight resulting in stronger compression). An attached arrow displays measurement outcomes on the scale. Mechanical models boast simplicity, affordability, and independence from power sources, rendering batteries or outlets unnecessary. However, achieving high measurement precision proves challenging in such devices; even the most precise kitchen models offer divisions of around 10 grams. Furthermore, additional features such as voice notification are not feasible for mechanical scales. As a result, this design is predominantly found in budget-friendly floor and kitchen scales intended for simple use.

— Electronic. These weighing systems are founded on electronic pressure sensors (such as magnetic or pneumatic sensors) along with specialized circuits responsible for data processing and display. Compared to mechanical scales, electronic scales are notably more complex and expensive. They require a regular supply of batteries or recharging, depending on the model. However, electronic scales excel over mechanical counterparts in terms of accuracy, functionality, and overall user convenience. While mechanical scales w...ith arrows need to be read from a strictly perpendicular angle to avoid misinterpretation, electronic scales display their readings without such difficulties. Additional features are extensively covered in the "Functions" section, with many of these functions being exclusive to electronic scales. Notably, electronic scales are the preferred choice for accuracy-sensitive tasks, such as jewelry weighing, where measurements extend to tenths and hundredths of a gram (for more details, see "Type of scales").

Scale division

Scale division value. Initially, the term "scale division" referred only to mechanical devices (see "Mechanism") and meant the distance between divisions on a scale; however, out of habit, they began to use it for electronic scales. Moreover, both there and there the meaning of this parameter is the same — in fact, it directly describes the accuracy of measurements. For example, if the division value is 1 g, the weight on such devices can be measured with an accuracy of 1 g, regardless of whether it is a mechanical model or an electronic one.

Theoretically, the lower the division value, the more accurate the measurements and the more advanced the device is. On the other hand, high accuracy has a corresponding effect on the price, although in some situations it is not required in principle. So when choosing it is worth considering the features of the application of the device. For example, a kitchen scale with a division value of 0.5 – 1 g will be indispensable for a sophisticated cooker who cooks according to complex recipes with an abundance of ingredients in a small dosage; and for ordinary household cooking on a large scale, an accuracy of 10–20 g is quite enough. But there are also cases when, over the entire measurement range, the division value changes. So for more correct measurements (low weight), the accuracy can be measured in units of grams, for average values — in tens of grams, and already for heavyweights, where an er...ror of 50 – 100 grams is not so critical, even in hundreds of grams. In such cases, we have a value for the general average range in the catalog (if we take into account the floor, then this is approximately for a person of 70 kg).

Functions

Tare compensation. The capacity to factor in the weight of containers or packaging when weighing materials is a common feature. Typically, this function operates by placing an empty container (like a box or measuring cup) onto the scale and resetting the scale's measurement (via a button press or a specific knob turn). Consequently, when the container is filled, the scale displays only the content's weight, excluding the container's weight. Some models even allow for manual adjustment of any additional weight that shouldn't be considered.

Measurement of volume. The capability to measure liquid volume is a function present exclusively in kitchen scales (as outlined in "Weighing type"). It's executed through various methods. For instance, some models incorporate a divided bowl that functions as a measuring cup, operating on a similar principle. In other models, users can select the liquid type (water, milk, vegetable oil, etc.), and the scale will automatically compute the volume based on its weight. This function proves valuable when precise ingredient measurement is of utmost importance.

Automatic activation. Automatic activation of electronic scales when a load is placed on them. Small, but quite handy option.

Automatic shutdown. This function ensures that the electronic balance (see "Mechanism") turns...off some time after the load has been removed from it. Thanks to auto-off, you can not be afraid to run out of batteries by forgetting to turn off the device. And in some models, manual shutdown is not provided at all — only automatic.

Voice notification. Scales incorporating a voice notification feature offer audible results, typically relayed through the device's speaker. This function is commonly found in bathroom scales (as discussed in "Type of scales"), where it holds significant relevance. It caters to users who may have difficulty viewing the display without leaning or those who might find leaning inconvenient or impractical due to health issues. Voice notifications can be provided in various languages, allowing users to select their preferred language from the available options.

Calorie calculator. This function enables the calculation of the nutritional content of weighed items, typically focusing on calorie count, although more advanced models might incorporate additional parameters like protein, fat, carbohydrates, fiber, and liquids. The scale stores information about the nutritional values of various products. When weighing, users select a specific item from this list to determine its caloric content. While theoretically useful for those meticulously monitoring their diet and calorie intake, the accuracy of the calorie calculator often provides only approximations, which may not align precisely with actual values. For instance, while the calorie calculator can accurately estimate the nutritional value of fruits and vegetables, it tends to provide general average values for grains. However, the actual calorie content of foods like porridge varies based on preparation methods. Thus, the calorie calculator should not be solely relied upon; for more precise nutritional information, consulting specialized tables and calculation methods is advisable.

Timer. Including a timer feature in scales enables users to set countdown intervals. The user establishes a desired duration, initiates the timer, and receives a signal when the set time elapses. This functionality proves beneficial across various applications, with particular utility in the kitchen where precise time control is frequently required during cooking. Consequently, the majority of scales equipped with a timer are categorized as kitchen scales (refer to "Type of scales").

Thermometer. Availability of the built-in thermometer in scales. Usually, this function is performed by a simple thermal sensor that determines the ambient temperature; and most scales with such equipment are kitchen scales or floor scales (refer to "Type of scales"). Note that in fact, the need for a thermometer occurs relatively rarely, and this function is more of a “nice addition” than a serious functional advantage. However, such equipment has almost no effect on the cost of scales — thermal sensors are very inexpensive.

Synchronization with a smartphone. The capacity to link scales with a mobile device (smartphone, tablet) for data exchange is a prevalent feature. Generally, this involves installing a designated application, which might even be provided alongside the scales. The specifics of this connection and its functionalities can vary, contingent on the type and model of the scale. This feature is commonly found in floor-standing diagnostic scales, where measurement data is used to maintain a record of body information. It particularly benefits athletes, fitness enthusiasts, and individuals using physical activity for therapeutic purposes. Notably, compatibility extends beyond proprietary software to encompass third-party medical and fitness services. Another category of devices featuring synchronization capability is kitchen scales, where the accompanying application is employed for working with various culinary recipes.

Bowl

The presence of a bowl in the design of the scales; this function is found only in kitchen models (refer to "Type of scale"). It greatly facilitates the weighing of liquid and bulk products — they can be placed directly into the bowl, while in the classical scales you will need additional capacity, and you will have to adjust the tare compensation (refer to "Functions") or enter an amendment for it. Also, the bowl can be used when measuring volume.

Platform / bowl material

The material from which the working surface of the scales is made is a platform or a bowl.

Plastic. An economical and highly functional material applicable to all scale types is plastic. Contrary to misconceptions, plastic can exhibit impressive durability; it's even employed for manufacturing floor scale platforms that accommodate 150 kg or more. Plastic scales offer practical advantages, such as not causing discomfort from coldness against the skin—this makes stepping onto such scales, including barefoot, a comfortable experience. This attribute is particularly valuable for children's models(refer to "Type of scales"), adding to their overall appeal.

Metal. The metal is highly durable and gives the device a solid appearance. On the other hand, it costs more than plastic, and the mentioned advantages in the case of scales are rarely significant. Therefore, this material is used mainly in rather expensive scales. And in low-cost models, “metal” can mean a thin metal coating applied to a plastic platform.

Glass. The main feature of glass surfaces can be called a stylish appearance. Glass is not without reason considered fragile, however, to break it, you need a fairly strong blow. And the strength of modern glasses is enough even for floor scales with a weight limit of more...than 100 kg. Another advantage of this material can be called ease of cleaning.

— Wood. Wooden platforms offer a distinctive and appealing appearance, characterized by unique colors and surface patterns. This choice is particularly favored by those who appreciate natural materials and the eco-friendly style. However, wood lacks significant practical advantages over materials like plastic, and it often comes at a higher cost. Consequently, wooden scales are primarily utilized for aesthetic considerations, resulting in relatively limited availability in the market.

— Rubber. Rubber is predominantly present in two categories of scales, namely pocket and floor scales (as mentioned earlier). In pocket models, the platform pertains to the lower part of the device that comes into contact with the hand during weighing. Rubber, known for its soft and comfortable properties, is a favored material for this type of application, making it highly popular in pocket scales. Similarly, in floor scales, rubber platforms are chosen for comparable reasons. Rubber's softer texture, reduced slipperiness, and enhanced comfort when standing make it preferable to hard plastic. Additionally, rubber platforms can incorporate massage protrusions (pimples), which could be uncomfortable on rigid plastic surfaces. Despite these advantages, the higher cost of rubber makes it less prevalent compared to other materials.

In addition to those described above, modern scales can also use other materials, sometimes quite unusual — for example, marble or stone (including in the form of a mosaic with which the platform is lined), or leather (leatherette). Most often, such materials are used for aesthetic reasons.
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