Smeg FME20TC Manual Do Utilizador
5
Description of the Microwave Oven
The advantages of a microwave oven:
In a conventional oven the heat radiated by the resistances or gas burners, slowly penetrates the food
from the outside to the inside. There is, therefore, a great loss of energy in the heating of the air, oven
components and recipients.
from the outside to the inside. There is, therefore, a great loss of energy in the heating of the air, oven
components and recipients.
On the other hand, in microwave ovens the heat is generated in the interior of the food itself, heating it
from the inside outwards. There is therefore no loss of energy as the air, interior walls of the oven and
recipients (when adequate) do not heat up with microwaves.
from the inside outwards. There is therefore no loss of energy as the air, interior walls of the oven and
recipients (when adequate) do not heat up with microwaves.
In short, microwave ovens have the following advantages:
1. Save on cooking time: in general there is a 3/4 reduction of the cooking time than with conventional
methods.
2. Ultra-quick defrosting that prevents bacteria development.
3. Electricity saving.
4. Maintaining the nutritive value of the food due to the cooking time reduction.
5. Easy cleaning.
How the microwave oven works
In the microwave oven there is a high voltage valve called "Magnetron" that converts electric energy to
microwave energy. These electromagnetic waves are conducted to the inside of the oven cavity by means
of wave-guide and spread by a mode stirrer or by a turntable.
microwave energy. These electromagnetic waves are conducted to the inside of the oven cavity by means
of wave-guide and spread by a mode stirrer or by a turntable.
Inside the oven the microwaves spread out in all directions and are reflected by the metallic walls,
penetrating the food evenly.
penetrating the food evenly.