Kruithof law

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Von: Andrej Mohar <> Reply-to: "conference of \(European\) IDA section leaders" <> An: 'conference of (European) IDA section leaders' <> Betreff: [Ida] Kruithof - very important for street lighting !!!! Datum: Sat, 7 Nov 2009 22:15:16 +0100

I do not understand why all lighting engineers have forgotten Kruihof law???

At low illuminations (20 lx or so), the only comfortable light color is below 2000K or High Pressure Sodium is the best source of light. Higher color temperature would increase discomfort.

Best regards


WH --GW (talk) 14:59, 28 April 2016 (CEST)