Calculation for LED lighting

Geometrical data

Type


Surface of the source


width (diameter) cm
length (tube, panel) cm

Installation data

Typical position






Photometric data

Colour temperature K
Luminous flux lumens
Beam width degrees

RISK GROUP


CALCULATE
Low RISK: No photobiological hazard. Trivial source for the purposes of the Directive 2006/25 EC
Moderate RISK: Compatible with the limit values associated with the Group 1 (IEC EN 62471:2009: no photobiological hazard under normal conditions of use). It could entail a risk if stared into for more than a 100 seconds accumulated in a day.
High RISK: Exposures greater than the highest acceptable for Group 1 (IEC EN 62471:2009). Risk is present, even for staring times lower than 100 seconds.

      

PARAMETRI LED

Flusso Luminoso [lumens]  
Apertura [gradi]  
Diametro (se opaca) [cm]  
Distanza [m]  
Angolo solido emissione [sr]  

CALCOLO TUBO DI LED

Lung. a 11 mrad [cm]  
Rapporto lunghezze  
Fattore per illuminanza  

CALCOLO FARETTO LED

A11 Mrad / At  

Angolo sott. sorg. opaca

rad  

RISULTATI

    Fascia di rischio Scelta del limite
Illuminanza [lux]      
Illuminanza limite [lux]  
Luminanza opaco [Mcd/m2]    
Luminanza limite [Mcd/m2]  



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