How to choose cookware compatible with an induction cooker

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Induction cooker with its efficient, clean and safe features, has entered thousands of households. However, many users have had such confusion: it is clearly a newly bought pot, but there is no response on the induction cooker. In fact, this is not pot damage, but magnetic incompatibility. This article will uncover the matching password of induction cooker and cookware, which will help you to choose and buy without worry and make every cooking smooth and easy.

(1)、Why not all pots can be used

To understand why some cookware does not work on the induction cooker, we first need to understand how the induction cooker heats:

The induction cooker is equipped with a copper coil, which will generate a high-frequency alternating magnetic field (usually 20-50kHz) after being energized. This magnetic field passes through the glass panel of the induction cooker. When it encounters the bottom of a suitable pot, it will generate eddy currents inside the bottom of the pot. The resistance of the pot itself converts these currents into heat energy, thereby heating the pot and its contents.

Key point: The induction cooker does not directly generate heat, but makes the pot generate heat by itself through a magnetic field. If the pot does not have magnetic conductivity, the heating process cannot start.

(2)、Pot selection 5 big golden rule

1. material and permeability

Due to the difference in magnetic permeability of different materials, the compatibility and heating effect of the induction cooker have a direct impact.

①. cast iron pan

Cast iron pot with high iron content, excellent magnetic conductivity, uniform heating, strong heat preservation, is the perfect match for induction cooker.

②. Stainless steel pot (multi-layer composite bottom)

The bottom of the high-quality stainless steel pot is usually sandwiched with a magnetic conductive layer, which is both beautiful and practical. At the time of purchase, it is necessary to confirm the logo marked with "induction cooker applicable.

③. Aluminum pot/copper pot with magnetic conductive layer

In order to take advantage of the excellent thermal conductivity of aluminum or copper, this kind of cookware will be combined with an additional layer of magnetic stainless steel or iron layer at the bottom, so that it can be compatible with induction cookers, while maintaining the advantages of light weight and fast thermal conductivity of the pot body.

(3)、simple test method

Adsorbing the bottom of the pot with a magnet, if it can be firmly absorbed, it is basically suitable for induction cookers.

1. pot bottom design

Purchase Standard:

①. Flatness requirements

The induction cooker panel is flat, and the bottom of the pot must be completely attached to achieve efficient heat conduction. The curved bottom (such as a traditional wok) will cause small contact area, uneven heating and low efficiency.

②. Pot bottom ideal thickness

The bottom of the pot is too thin (such as less than 2mm) easy to deformation, uneven heating, resulting in "hot spots", easy to paste the pot. If it is too thick, the preheating will be slow. The ideal composite bottom pot, the bottom thickness is usually between 2.5-4.5mm.

③. Pot bottom shape

The heating coil of an induction cooker is usually of circular design. Round pot can maximize the received magnetic field energy, heating the most uniform. The corners of square or special-shaped pots are prone to insufficient heating.

2. dimensions

①. The bottom diameter of the pot should not be less than the minimum size indicated by the induction cooker (usually 8-12cm), otherwise the stove may not be able to detect the pot or start the protection program.

②. The diameter of the bottom of the pot should approximately match the diameter of the main heating ring marked on the furnace surface. For example, the main heating ring of the stove is 12cm in diameter, and a pot with a diameter of 20-24cm is most suitable. If the pot is too large, the edge will not be heated enough; if it is too small, the energy will be concentrated and the pot and panel will be easily damaged.

③. For induction cookers with double-ring or multi-ring heating functions, you can choose a pot with a larger diameter to use the outer ring for heating

3. weight and balance

The pot should have a certain weight and stable center of gravity. Too light and thin cookware is easy to slide or overturn when the high power of the induction cooker is started or fried, which has potential safety hazards.

(4)、Induction cooker pot use and maintenance tips

1. take it lightly

Avoid collision deformation at the bottom of the pot, affecting the fit with the furnace surface.

2. cleaning and maintenance

Keep the bottom of the pan clean, food debris can cause uneven heating.

3. avoid empty burning

The induction cooker heats up quickly, and air burning may damage pots and stoves.

4. place it stably

Make sure the pot is placed smoothly before use to prevent dumping.

5. power matching

Different size pots and pans should choose the corresponding power, small pot with high power easy to damage the pot.

(5)、the common situation answer

Q: why induction cooker special pot weight is very light?

A: This is usually a pot with a bottom-covering technique. The aluminum pot body ensures light weight and rapid heat conduction, but the key is that a layer of magnetic stainless steel plate is pressed at the bottom. This plate is the true core of the heating.

Q: why enamel cast iron pot sometimes heating uneven?

Answer: The enamel layer itself is not magnetically conductive, but the cast iron pot is

magnetically conductive. Unevenness may be due to the pot bottom enamel coating is too thick or uneven, affecting the magnetic field transmission. Choose a good quality enamel pot with a flat bottom.

Q: how to play the maximum energy efficiency of induction cooker?

Answer: Use pots with the diameter of the bottom matching the coil and made of cast iron or thick-bottomed stainless steel, and always use medium and high power to boil quickly and then turn to low power to maintain. This is more energy efficient than heating with low power all the time.

Conclusion

A suitable pot is not only the best partner of the induction cooker, but also the guarantee of deliciousness and efficiency. Mastering these principles, you will be able to calmly identify in a wide range of cookware, so that the induction cooker and cookware tacit cooperation, cooking a delicious.