IEC/EN62471 is the European Union's testing standard for laser products (including LEDs). The purpose of IEC/EN 62471 is to evaluate the optical radiation hazards associated with different lamps and lamp systems and to fully replace the energy requirements of LED products in the IEC/EN60825 standard, adding photobiological requirements, including radiation intensity, radiation. Brightness, etc., and hazard classification of products based on test data, including exemption levels, low hazard, medium hazard, and high hazard levels. The EU part standard EN62471:2008 has been implemented since 2009.09.01, and the EN60825 part about LED will be completely ineffective at 2010.09.01.
Background of the IEC/EN62471 standard:
1. IEC/EN60825 is mainly for energy test calculation of single wavelength light;
2. IEC/EN62471 is mainly 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.
Products to which IEC/EN62471 applies: All lamps and lamp systems except lasers. (Single-wavelength lasers are easy to test, and ordinary lamps may be a wide-band source due to the effects of illuminators and diffusers, lenses, auxiliary optics, etc.).
The wavelength range tested by IEC/EN62471: Optical radiation with a wavelength in the range of 200 nm to 3000 nm.
Parameters and object test parameters for IEC/EN62471 testing:
1. Irradiance (radiation flux divided by unit area, unit: W?m-2)
2. Radiant (irradiance divided by field of view, can be converted by irradiance) 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)
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
The IEC62471/EN62471-A LED optical radiation test system can be applied to optical radiation safety according to IEC-CTL requirements for the laboratory and in accordance with the general measurement of IEC62471. Lihao Electronic Technology (Shanghai) Co., Ltd. is committed to the development and after-sales maintenance of lighting test instruments, EMI/EMC test systems and safety test instruments in the domestic market. Lisun's full range of products are developed and produced in strict accordance with ISO9001:2008 quality control requirements; Lisun is also a member of the Global Lighting CIE Association, all products meet the requirements of CIE; in addition, Lisun's products are CE certified and exported to the EU Qualifications.
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