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Photobiological Safety of Lamps and Lamp Systems

Mandatory standard to meet for all LED Products to be sold in Europe, China, Canada and Asia

IEC 62471: 2009   “Photobiological Safety of Lamps and Lamp Systems”

IEC 62471 2009 Photobiological Safety of Lamps and Lamp Systems
IEC 62471 2009 Photobiological Safety of Lamps and Lamp Systems

The motive of this standard is to protect the user from injuries and blindness caused due to UV, IR and EM radiation emitted by LED Lights. If your product is not comply with IEC 62471 then your product is prohibited to sale in the above countries. Even for any damage you may be liable. Unfortunately, many manufacturer are unaware of photobiological safety testing. So, to export your products in the market ontact ITC India Pvt Ltd for Photo biological testing and you will be provided with best assistance. Please write to us at or visit us at .

Particularlly this standards states the exposure limits, reference measurement technique and classification scheme for the evaluation and control of photobiological hazards from all electrically powered incoherent broadband sources of optical radiation, including LEDs but excluding lasers, in the wavelength range from 200 nm through 3000 nm.

Particularlly this standards states
Particularlly this standards states

Here is a list of the tests to be performed in IEC 62471

ClausePerformed test
4.2.2Angular sub tense of source and measurement field-of-view
4.3.1Actinic UV hazard exposure limit for the skin and eye
4.3.2Near-UV hazard exposure limit for the eye
4.3.3Retina blue light hazard exposure limit
4.3.4Retina blue light hazard exposure limit – small source
4.3.5Retina thermal hazard exposure limit
4.3.6Retina thermal hazard exposure limit – weak visual stimulus
4.3.7Infrared radiation hazard exposure limit for the eye
4.3.8Thermal hazard exposure limit for the skin
5.2.1Irradiance measurements
5.2.2Radiance Measurements
5.2.3Analysis Method
6.1Continuous Wave lamps – Lamp classification

The output of the lights must not exceed the levels of all the radiations mentioned in IEC 62471.

Emission limits for the above testis as follows :  

Risks Units Emission measurements
Exempt Limits Low risk Limits Mod risk Limits
Actinic UVW•m-20.0010.0030.03
Near UVW•m-21033100
Blue lightW•m-2•sr-1100100004000000
Blue light Small sourceW•m-21.01.0400
Retina ThermalW•m-2•sr-1254545525454556454545
Retinal thermal, weak visual stimulus**W•m-2•sr-1545455545455545455
IR radiation eyeW•m-21005703200
Skin thermalW•m-2355735573557

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