ASTM D1500 Oil Laboratory Color Comparator for Accurate Color Measurement of Petroleum Products The SD6540 Petroleum Product Chroma Tester complies with SH/T0168-92 Method for Determination of Chroma of Petroleum Products, GB/T6540 and ASTM D1500 standards. It is used to test the color of various lubricating oils and other petroleum products. Petroleum Products Chroma Tester The test procedure: fill the colorimetric tube with petroleum product sample, then compare the sample
