The Opacimeter provides objective measurements of opacity and intensity variation. It does this while eliminating variations due to gloss. This Opacimeter (Model 2100) exceeds the instrument speci?cations of T425. This is because resolution at the high end of the scale,. Moreover, absolute accuracy at the low end of the scale. And photometric linearity and day-to-day repeatability. It offers better resolution for high opacity paper by using direct illumination geometry. Backed by a high re?ectivity diffuse white body. As compared to diffuse illumination backed by a pad of paper.
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