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|Advisory On The Use of UVC Sterilisers In The Home||Qoo10 customer center||Nov 24, 2020|
|Manufacturer/Product Origin||ONANKOREA||Condition||New Product|
|After sales service||Please contact seller or manufacturer service center.(email@example.com)|
|Shipping From||From Overseas (South Korea)|
Photo Review (1)
Highly Recommend Incredible light, long lasting and does not get too hot.jak*** (SG ) Jul 21, 2020
Excellent light, extremely bright and soft. It's more for backup purposes but it out performs my Viltrox LED panel with a giant FP-970 battery. The lux output for the Viltox L132T (see pic) at 100% is equivalent to 75% on the Lumena. The Viltrox lasts 2:40 @ 80% before shutting down. The lumena is over 4hrs at 75% and still has 3/4 lights on the battery meter, incredible. The only thing i really wish they added as a feature is a tripod thread mount, i know about the smaller Lumena2, but i wanted a larger higher capacity light. Just seems like a waste to not have it.more review
Type:New N9-LUMENA+ | Color:Space Grey(+S$30.90)+ Add this option
Customer Review (2)
Slow shipping but good product. Very bright and smaller than expected. Charges with micro USB.
Type:New N9-LUMENA+ | Color:Chic black(+S$30.90)
|Mar 24, 2020||jia*** (SG SG)|
The price is cheap, the delivery is fast, the seller and the product are recommended.
Type:New N9-LUMENA+ | Color:Gold Metal(+S$30.90)
|Oct 14, 2020||bru*** (TW TW)|
- NoticeAdvisory On The Use of UVC Sterilisers In The Home
Ultraviolet-C (UVC) radiation has wavelengths of 100nm - 280nm and is in the spectrum of the sun’s radiation that we are rarely exposed to, as the ozone layer in the stratosphere prevents UVC rays from reaching the surface of the earth.
Ultraviolet Germicidal Irradiation (UVGI) is a disinfection method that uses UVC. This method of disinfection has been applied in the disinfection of surfaces and sanitisation of drinking water. UVC sterilisers which use UVGI have been applied in the healthcare sector and in research. The efficacy of UVGI against a range of microbes has been demonstrated in numerous studies. 1-2
[Challenges in using UVGI]
UV disinfection has a short turn-around time (less than 30 min) and does not leave any chemical residues behind after treatment. However, the following factors must be considered when it is applied, whether as a fixed installation or as a portable system:
1. There must be line of sight from the UVC source to the surface to be disinfected for treatment to be effective. High-touch points that are obscured may be missed. For example, surfaces of door handles, handle bars, or toilet flushes that are not directly in the line-of-sight will not be disinfected.
2. The effectiveness of UVGI in inactivating microorganisms depends on the duration of exposure, intensity, distance of surface from source and wavelength of the UV radiation. There is therefore a need for careful calibration and monitoring.
[Is UVC safe?]
UVC poses potential health risks such as eye injury (e.g. irritation and inflammation of cornea) and skin injury (e.g. erythema). The World Health Organisation (WHO) has advised that UV sterilisers should not be used to disinfect the hands or any areas of the skin.3
Chronic exposure to UV radiation can also accelerate the skin aging process and increase the risk of skin cancer. Care must be taken to ensure that the irradiated space is not occupied during UVGI, and measures must be in place to prevent accidental exposure. 4-5
UV products are to be kept out of reach of children.
As UVC radiation can cause eye injury (e.g. irritation and inflammation of cornea) and skin injury (e.g. erythema), NEA does not recommend the household use of such products. Other alternative disinfection methods are available. Please refer to NEA’s list of active ingredients and household disinfectant and cleaning products for disinfection of the COVID-19 virus.
For reference please visit: https://www.nea.gov.sg/our-services/radiation-safety/advisory-on-the-use-of-uvc-sterilisers-in-the-homeQoo10 customer center
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