Easy, accurate determination by comparison with ASTM color standards
Conforms to ASTM D 1500; IP 196; DIN 51578
Glass standards and filter exactly match chromaticity and transmittance requirements
Optics are rigidly aligned and precisely mounted on a cast aluminum base
The 16 color standard lenses (0.5 to 8.5 in 0.5 increments) are held in an aluminum casting for rigidity and permanent alignment
For determination of color of petroleum products as an indicator of degree of refinement. Perform visual determinations by comparing of sample and standard through a split field viewer. The light source, filters and sample are placed in a separate compartment from the optics and lenses. Sample jars (not included) are introduced through a hinged cover on top; see 7124C40 or use clear glass jars with flat bottoms, 30 to 35 mm dia., 115 to 121 mm high. The removable steel housing has a baked epoxy-resin finish for easy cleaning. Dimensions: 7" x 20" x 8 1/2" (178 x 508 x 216 mm).