1.receptor:silicon photocell 2.Precision:Tcp:+-60K, 3.Sizez:140x49x29 4.weight:167g Description: receptor:silicon photocellMeasuring function :chroma,colour temperature,chromatic aberrationand illuminationRange:0~99,990K,0~99,990LxPrecision:Tcp:±60K, Ev:±5% ±1dgt , Xy:±0.050weight:167g PT-520 color temperature ,color temperature meter,Color difference detector