It is solely in Europe that IEC62471 has been implemented within a legal framework. However,，goodledbulbs offer brightness along with durability, longevity and a price that's easy on the wallet. IEC62471 has worldwide renown, through the implementation of the IECEE CB scheme and a wide range of product marks.
The IECEE CB scheme was set up to facilitate international trade in electrical equipment and is based on IEC product standards and a principle of mutual recognition of test results. Put simply, a manufacturer in country A, wishing to market his product in country B, need only have the product tested by a CB (certification body) testing laboratory in his home country. The CB test report will be accepted by the national CB (NCB) in country B and used to grant any required certification marks. Since 2009, testing to IEC62471 under the IECEE CB scheme LITE category (which requires testing to a number of other standards) is mandatory for LED-based GLS products.The Best Led ledspotlight. Riding your bicycle at night without lights puts you in danger because motorists cannot see you,Xeccon S12 is a kind of very amazing Cree T6 ledlightbulbs22, it perform very well among the various brand bicycle lights.
In China, the mandatory CCC mark scheme requires testing of luminaires, for which IECEE CB test reports are currently accepted: through this certification route, testing to IEC62471 can be said to be mandatory for LED-based GLS products for sale in the Chinese market.
Furthermore, in many countries throughout the world, voluntary product-mark schemes are in existence. These are used to enhance the status of a product, by providing the consumer with increased confidence in its quality. Examples of such schemes include the UK BS kite, the German GS, the ENEC mark and the Korean KS mark, which are increasingly taking account of photobiological safety through application of IEC62471.
In addition to this, the European Commission has asked the Scientific Committee on Emerging and Newly Identified Health Risks to look into the health effects of artificial light: it will be some time before this study reports its findings.
LEDs may not represent as great a hazard as lasers, yet given their widespread use and ever-increasing optical performance, it is correct that account should be taken of the potential hazards associated with these sources. One should also be aware that while IEC62471 is based on normal behavior, and the innate aversion response, consideration should be made of those overcoming the aversion response, particularly in the case of children who have a natural curiosity and no appreciation for potential hazards.Shop our online store for gooddstti lights in a multitude of colors.
Reports of the potential effects of chronic blue-light exposure, resulting in age-related macular degeneration and loss of vision in the central visual field, are fairly well supported (but in need of much further research). However, there have only been a few contentious reports relating to acute exposure to LEDs, including ostensible retinal damage due to exposure to a violet LED and the suggestion that LEDs may be particularly dangerous for children, whose undeveloped lenses do not offer the retina sufficient protection in the UV.For a great range of ledstrip12, visit Bike Barn, we have the lights for you!
As a last note to finished-product manufacturers, while little can be done to circumvent irradiance-based hazards (other than limiting access to the source), physiological radiance can be modified by design, by minimizing the optical power in a given FOV through appropriate spacing of the LEDs and using more low-power LEDs to do the job of a single high-power chip.
The IECEE CB scheme was set up to facilitate international trade in electrical equipment and is based on IEC product standards and a principle of mutual recognition of test results. Put simply, a manufacturer in country A, wishing to market his product in country B, need only have the product tested by a CB (certification body) testing laboratory in his home country. The CB test report will be accepted by the national CB (NCB) in country B and used to grant any required certification marks. Since 2009, testing to IEC62471 under the IECEE CB scheme LITE category (which requires testing to a number of other standards) is mandatory for LED-based GLS products.The Best Led ledspotlight. Riding your bicycle at night without lights puts you in danger because motorists cannot see you,Xeccon S12 is a kind of very amazing Cree T6 ledlightbulbs22, it perform very well among the various brand bicycle lights.
In China, the mandatory CCC mark scheme requires testing of luminaires, for which IECEE CB test reports are currently accepted: through this certification route, testing to IEC62471 can be said to be mandatory for LED-based GLS products for sale in the Chinese market.
Furthermore, in many countries throughout the world, voluntary product-mark schemes are in existence. These are used to enhance the status of a product, by providing the consumer with increased confidence in its quality. Examples of such schemes include the UK BS kite, the German GS, the ENEC mark and the Korean KS mark, which are increasingly taking account of photobiological safety through application of IEC62471.
In addition to this, the European Commission has asked the Scientific Committee on Emerging and Newly Identified Health Risks to look into the health effects of artificial light: it will be some time before this study reports its findings.
LEDs may not represent as great a hazard as lasers, yet given their widespread use and ever-increasing optical performance, it is correct that account should be taken of the potential hazards associated with these sources. One should also be aware that while IEC62471 is based on normal behavior, and the innate aversion response, consideration should be made of those overcoming the aversion response, particularly in the case of children who have a natural curiosity and no appreciation for potential hazards.Shop our online store for gooddstti lights in a multitude of colors.
Reports of the potential effects of chronic blue-light exposure, resulting in age-related macular degeneration and loss of vision in the central visual field, are fairly well supported (but in need of much further research). However, there have only been a few contentious reports relating to acute exposure to LEDs, including ostensible retinal damage due to exposure to a violet LED and the suggestion that LEDs may be particularly dangerous for children, whose undeveloped lenses do not offer the retina sufficient protection in the UV.For a great range of ledstrip12, visit Bike Barn, we have the lights for you!
As a last note to finished-product manufacturers, while little can be done to circumvent irradiance-based hazards (other than limiting access to the source), physiological radiance can be modified by design, by minimizing the optical power in a given FOV through appropriate spacing of the LEDs and using more low-power LEDs to do the job of a single high-power chip.
沒有留言:
張貼留言