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LED Diodes Parameters

Parameters of all currently known light sources, methods of their measuring or technical information are strictly defined by the light norms and should be delivered along with the product. Unfortunately, it does not apply to the LED products. The work on the norms for this light source is in progress and until they are not implemented we can only speak about the parameters that are most often used by leading LED systems producers.

The light source parameters can be divided in three most important groups:

Light parameters – light flux, luminosity, color rendition, color temperature, main wave length in case of color diodes

Electrical parameters – electric power, power factor (PF)

Usage parameters – life span for the light source, size, power source, working temperature range, leak tightness (casings)

Also, a classification in respect to the light source parameters can be introduced:

Quantitative features – light flux, luminosity, electrical power

Qualitative features – color rendition, color temperature, main wave length (for color diodes)
 
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