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Table 1

Definition of risk groups depending on T and consequences on maximal Lb values.

Source: IEC 62471-1 (2006).

  RG0 RG1 RG2 RG3
Tmax (s) 10 000 100 0.25 < 0.25
Lb max (W/m2/sr) < 100 < 10 000 < 4 000 000 > 4 000 000

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