Home appliance radiation ranking
1, ultra-low frequency appliances
(rated 50 Hz)
Corresponding products: electric shaver, vacuum cleaner, washing machine, electric iron, coffee machine, humidifier, hair dryer, air conditioner, rice cooker, induction cooker, agitator, electric blanket, fluorescent lamp, refrigerator, etc.
Under normal circumstances, these appliances will not pose too much threat to the human body, but if you do not pay attention to the frequency of control, the time of each use and the method of use, it will still cause a series of health problems. Among them, electric razors, hair dryers, small appliances that are in close contact with the human body and are often used, the shorter the time each time, the better, the power should be kept away from the body when turning the power on and off; the experiment shows that the vacuum cleaner 70 More than a centimeter, the humidifier is more than 1 meter, the radiation is the smallest; while the electric blanket is used for a long time, it will cause fatigue, weakness, limbs and other symptoms. It is best to disconnect the power after warming up. .
2, IF appliances
(3 megahertz or less, 1 megahertz = 1 million Hz)
Corresponding products: TV, computer: The power frequency of TV sets ranges from a few hundred to several kilohertz, while computers are relatively high, especially desktop computers.
In daily use, as long as the distance between these appliances is at least half a meter, and the radiation intensity is within a certain standard range, there will be no major problems. The back and side of the desktop computer have large radiation, it is best not to open the case; the laptop radiation is concentrated on the top of the keyboard; the flat TV (including LCD and plasma TV) is much smaller than the traditional CRT TV, but there is still a certain Hidden danger, it is recommended to watch at least one meter away.
3. Microwave frequency band
(30 to 30000 MHz)
Corresponding products: mobile phone, microwave oven
Microwave ovens operate between 915 and 2,450 MHz, while mobile phones operate at frequencies between 1800 and 2000 MHz.
When using the mobile phone, you should try to make a long story short, answer the phone after the call, and recommend using more headphones; microwave radiation in the microwave oven will disturb the central nervous system, causing headache, dizziness, memory loss, insomnia, etc., when using, the human body must Do not look directly at your eyes half a meter away.
Tips for reducing radiation
Do not put together household appliances, not to use them at the same time; do not use electrical appliances, be sure to turn off the power supply, because the standby electrical appliances can still produce a lot of electromagnetic radiation; after watching the computer and TV for a long time, you should wash your face and wash your hands in time; eat more Vitamin A, C and protein foods, such as carrots, cabbage, tofu, milk, eggs, etc., especially kelp, can enhance the resistance to electromagnetic radiation; drink more tea, tea polyphenols and other substances are also beneficial Radiation protection.
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