Ultraviolet Disinfection Lamp, Are You Really Using It Right

In the fight against the new crown pneumonia epidemic, in addition to standing masks, alcohol, and goggles, ultraviolet germicidal lamps are also an effective anti-epidemic material. According to existing experience, the new coronavirus is sensitive to ultraviolet light.

Ultraviolet disinfection is an ancient and effective method. Drying the quilt under the sun is the most primitive use of ultraviolet rays to remove mites, disinfect and sterilize.

The principle of ultraviolet disinfection and sterilization is to use high-energy ultraviolet light to break the double helix of DNA to inactivate bacteria and viruses. Ultraviolet rays need to meet certain requirements to achieve effective sterilization and disinfection. Pay attention to the wavelength, irradiation dose, and time of the ultraviolet light source, that is, it must be deep ultraviolet light in the UVC band with a wavelength below 280nm and meet a certain irradiation dose and time for different bacteria and viruses. Otherwise, it cannot be inactivated.

According to the wavelength division, the ultraviolet band can be divided into different bands: UVA, UVB, and UVC. UVC is the wavelength band with the shortest wavelength and the highest energy. In fact, for sterilization and disinfection, the most effective UVC is the band called deep ultraviolet. Compared with chemical sterilization, ultraviolet light has the advantage of high sterilization efficiency, inactivation is generally completed within a few seconds, and no other chemical pollutants are produced.

Ultraviolet rays can also inactivate microorganisms. Households can purify water by installing an ultraviolet water purification system, and an air purifier equipped with ultraviolet lamps can harmlessly treat bacteria floating in the air.

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Ultraviolet germicidal lamps can be divided into three types according to their appearance: double-ended lamps, single-ended lamps, and self-ballasted lamps. According to whether they contain ozone or not, they can be divided into two types: ozone-containing and ozone-free.

Consumers should pay attention to the relationship between UV intensity and space when purchasing UV germicidal lamps. Under normal circumstances, a 1.5W ultraviolet germicidal lamp is required for each cubic meter of space. Users can choose products with corresponding power levels according to the actual situation in the home.

Ultraviolet germicidal lamps are usually used in places that are prone to bacterial growth, such as kitchens, bathrooms and other dark and humid places, and can also be used in spaces with high environmental quality requirements, such as wards, operating rooms and other medical places. Now ultraviolet germicidal lamps are also widely used in some electrical products, such as air purifiers, fresh air fans, clothing care machines and other indoor purification devices and clothing care and disinfection devices.

What needs to be remembered is that UV lamps have a certain lifespan, so pay attention to the timely replacement of the lamps when in use. The life of the ultraviolet lamp is not less than 5000h, the average life is 8000h, and the high-performance products can reach more than 10,000 hours.

Under the premise of ensuring safety, how to use ultraviolet germicidal lamps scientifically and effectively? Generally, attention should be paid to the location, to create the best environment for users, and to pay attention to the length of use.

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First, due to the extremely weak penetration of ultraviolet rays in the air, it is difficult to achieve long-distance sterilization, so when using it, try to place it in the main sterilization position, such as the middle of the room, or where it is easy to breed bacteria, 1.5m from the surrounding area- 2m is appropriate.

Second, pay attention to the influence of the environment on the sterilization effect when using it. Normally, when the temperature is between 27°C and 40°C, the output intensity of ultraviolet rays is the highest, and the sterilization effect is the best. In addition, ensure that the environment is clean and dry. Under darker conditions, it is more conducive to ultraviolet rays to play a sterilization effect and increase exposure. The area is more conducive to ultraviolet disinfection.

Third, the UV germicidal lamp should ensure sufficient UV exposure time when in use. Studies have shown that after 5 minutes of irradiation, it is an effective sterilization and disinfection time. When it reaches 30 minutes, the daily disinfection effect can be achieved. When the irradiation time reaches 60 minutes, it can kill most of the bacteria and other microorganisms in the air.

In the face of the epidemic, the use of ultraviolet germicidal lamps for sterilization and disinfection must be scientific and reasonable, and high attention must be paid to the safety of use.

About CSiR

CSiR, An Air Disinfector, Not a Regular Air Purifier. The founder of CSiR hopes to provide people with one personal device that delivers cleaner and healthier air to daily life. Therefore, CSiR uses UV technology to find air disinfection solutions that can be shared with users. CSiR’s goal is to offer clean and fresh air to every person and their family.

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Visit Us at https://www.csirairclean.com/

Originally posted 2021-08-11 00:28:48.


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