Saybolt chromometer

Saybolt chromometer

[′sā‚bōlt krə′mäm·əd·ər]
(optics)
Device used to measure the color of undyed gasolines, jet fuels, naphthas, kerosines, petroleum waxes, and pharmaceutical white oils.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.