DESCRIPTION
The instrument is suitable to determine color of various lubricating oils and other petroleum products as per industrial standard of China SH/T 0168-92 Standard Test Method for Color of Petroleum Products. The test methods are as follows: Fill test sample into color comparing tube and compare sample color with standard color to ascertain its color number. Please see the attached color number comparing sheet to find out the similarity between color number of the instrument and color number in standard GB/T6540.