The Lovibond® Petroleum
Oils Comparator is a 3-field instrument for visually determining the ASTM Colour of samples by direct comparison with coloured glass standards. It incorporates the 16 glass standards which make up the scale in a pair of discs: Disc Colour Standards. 1 0.5,1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5. 2 1.0,2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0. With a 3-section field of view, the sample and two adjacent standards on the ASTM Color Scale are viewed simultaneously, making it easier...
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