Conforms to requirements for Class AA of JIS C 1609-2006 *Illuminance meters Part 1 : General measuring instruments* Silicon photocell Tristimulus values:XYZ Chromaticity : Ev xy, Ev u’v’ Correlated color temperature: Ev, Tcp, Δuv Color difference: Δ(XYZ),Δ(Ev, xy),Δ(Ev u’ v’), ΔEvΔ u v 0.1-99,990lx, 0.01-9,999 fcd(Chromaticity:5 lx, 0.5 fcd or above) in four automatically selected ranges(lx or fcd is swichable) Ev: +-2%+-1digit of displayed value xy: +-0.002(800lx, standardilluminant A measured)
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