Active Standard ASTM D7843 | Developed by Subcommittee: D02.C0
Book of Standards Volume: 05.04
Significance and Use
5.2 The results from this test are intended to be used as a condition monitoring trending tool as part of a comprehensive program, as outlined in standards such as Practice D4378.
1.1 This test method extracts insoluble contaminants from a sample of in-service turbine oil onto a patch and the color of the membrane patch is analyzed by a spectrophotometer. The results are reported as a ΔE value, within the CIE LAB scale.
ICS Number Code 75.100 (Lubricants, industrial oils and related products)