... working curve with three points used for calculating concentrations.Auto 0%(T)and 100%(T)function.Direct-reading concentration by setting ... , A, F, C, λStray Light ≤0.5%T(360nm)Photometric Accuracy ±1.0%TPhotometric Repeatability0.5%TStability ±0.004A/h, at 500nmT-A ... ≤±0.002A (at 0.5 A,≤±0.004A (at 1.0 A)Photometric Range: 0-199.9% T, 0.3-2.5 A, 1-9999 F, 0-9999 CData ...