IEC 62471:2006 & EN 62471:2008 will be officially implemented on September 1, 2009. All LED lights will be added to the standard from now on. The transition period is one year. The original IEC/EN60825-1 report can also be used. However, it will be completely ineffective as of September 1, 2010. At present, some foreign customers have required domestic suppliers to provide test reports of EN62471. In addition, for new standards, the customs enquiry will be strengthened. Take precautions and test according to the new standard IEC/EN62471 to avoid unnecessary troubles during shipment. First, the standard background The purpose of IEC/EN62471 is to evaluate the optical radiation hazards associated with different lamps and lamp systems and to fully replace the energy class requirements for LED products in the IEC/EN60825 standard, adding to the requirements of photobiological requirements, including radiation intensity, radiance Etc., and according to the test data, the product is classified according to the hazard level, including exemption level, low risk, medium hazard and high hazard level. The EU part standard EN62471:2008 has been implemented since 2009.09.01, and the EN60825 part about LED will be completely invalidated at 2010.09.01. IEC/EN62471 is mainly used to measure the light in a wide band, and to calculate the time, angle, sensitivity and other aspects of the human eye and skin response to light. 2. All lamps and lamp systems other than lasers for applicable products (Single-wavelength lasers are easy to test. Ordinary lamps may be a wide-band source due to the effects of illuminators and diffusers, lenses, auxiliary optics, etc.) Third, the wavelength range of the test Optical radiation having a wavelength in the range of 200 nm to 3000 nm Fourth, the parameters and objects of the test Test parameters: 1. Irradiance (radiation flux divided by unit area, unit: W?m-2) Test object: 1. UV damage to skin and eyes 2. Near-ultraviolet hazard of the eye (315nm-400nm) 3. Retinal blue light hazard 4. Retinal blue light hazard (small light source) 5. Retinal heat hazard 6. Retinal thermal hazard (for weak visual stimulation) (780nm-1400nm) 7. Infrared radiation hazard of the eye (780nm-3000nm) 8. Skin heat hazard (380nm-3000nm) V. Judgment of results 1. Continuous light: no danger; Category 1 hazard (low risk); Category 2 hazard (medium risk); Category 3 hazard (high risk) 2. Pulse lamp: 1. Class 3 hazard exceeding the radiation limit; 2. Single pulse lamp not exceeding the radiation limit according to no danger; 3. Multi-pulse lamp not exceeding the radiation limit according to the continuous lamp classification method.
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IEC/EN60825 is mainly for energy test calculation of light of a single wavelength.
2. Radiance (irradiance divided by field of view, can be converted by irradiance)