33mm Cells are for ASTM D1500 Color Testing on EC3000 E-Comparator.
50mm Cells are for ASTM D156 Saybolt Color or ASTM D1209 Pt-Co (Platinum-Cobalt) Color on EC3000 E-Comparator.
33mm Cells are for ASTM D1500 Color Testing on EC3000 E-Comparator.
50mm Cells are for ASTM D156 Saybolt Color or ASTM D1209 Pt-Co (Platinum-Cobalt) Color on EC3000 E-Comparator.