Today, the market offers a large number of different coffee machines. The models differ in their technical characteristics, functional features and price. All these values essentially depend on the device type.
Iist of more popular coffee machines contains full automatic espresso machines, espresso coffee machines (carob), capsule coffee machines and drip or filtration coffeemakers.
Fully automatic espresso machines
As known, brewing espresso coffee use passing hot water through ground coffee under high pressure. Of course, these models provide full automation of the process.
Typically, set of functions includes timer, heating and cup lighting, programming recipes for several profiles, utilities for self-cleaning and descaling, adjustment of coffee strength, volume and water temperature for one serving, etc. Of course, the cost essentially depends on the model functionality.
Usually, almost all modern models can simultaneously prepare 2 cups. They support automatic or semi-automatic mode for making Cappuccino and latte. But automatic mode uses a special removable container for milk. Cheaper semi-automatic models do not whip milk foam.
Of course, modern models have built-in coffee grinder. The grinding degree is selected automatically depending on the type of coffee or is set manually. This essentially affects the beverage taste.
Usually, the time of coffee tablet formation varies from 20 to 30 seconds. Additionally, many models pre-moisturize it to enhance flavor and aroma.
Espresso coffee makers (carob)
The number of carobs affects the number of brewed portions per cycle. One carob provides 2 servings.
Carob is made of stainless steel and usually has a filter. The built-in mechanism for pressing is very convenient. It ensures a good passage of ground coffee. Some models can use a pod that is a paper filter with pressed coffee.
These coffee machines basically have electro-mechanical control.
Models with a removable transparent water container are much more convenient for cleaning and controlling the water level.
These models are much less likely to heat the cups.
The pressure is necessary for the preparation of espresso. For example, a classic espresso is prepared at a pressure of 5 to 9 bars, but some recipes require up to 10 bars or more.
Capsule coffee machines
Usually, these devices have the highest reliability due to a very simple design.
Unfortunately, most of these models use only capsules of a certain brand. Today encapsulated coffee is almost not standardized. Therefore, each model works only with certain capsules that greatly limits their capabilities.
The device pierces the capsule body with a special needle and passes hot water under pressure through the ground coffee. Most modern models provide 3.3, 15 or 19 bars.
Capsule models prepare espresso, ristretto, cappuccino and latte. But different models use different technologies. For example, they can use capsules with a dry milk extract or with concentrated sterilized milk. More expensive models prepare these beverages with traditional pasteurized milk, whisking it with steam. Additionally, some models have a separate foamgenerator to create milk foam.
Drip or filtration coffeemakers
These models are also very simple, reliable and perfectly suited for cooking americano.
Of course, a large water container is the most convenient. Its volume sometimes reaches 1.5 liters.
The power from 600 to 800 W is considered optimal, ensuring the most efficient coffee brewing because of the optimal water flow passage through the ground coffee.
These models usually have disposable waterproof filters for using coffee pods. More expensive models use a reusable nylon filter.
The so-called golden filter-grid with sputtering of titanium nitride works very long and effectively.
Many models have the warming function, a special valve for protection against drops and beverage temperature indicator. Its red color corresponds to high temperature (65 degrees and above), and black – to cooled coffee.
Today, some companies offer the smartphone controlled Coffee makers. Video shows the connection of the Bosch Coffee Machine to the Home Connect App.
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