KR6540 petroleum product colorimeter is suitable for measuring the color of various lubricating oils and other petroleum products according to SH/T0168-92 "Petroleum Product Colorimetric Method" and GB/T6540. The method of determination is to inject a sample of the petroleum product to be measured into a colorimetric tube and then compare it with a standard color patch to determine its chromaticity number.
1. The observation eyepiece consists of a concave mirror and a convex mirror, which can see two semi-circular colors at the same time.
2. Optical eyepieces with light adjustment and focusing ability, easy to use
3. Structural design is reasonable, easy to operate and use
4. Color numbers correspond to ASTM D1500, GB/T6540 and ISO color numbers
1 light source: 220V, 100W, inner frosted milk bulb with temperature of 2750±50K
2 colorimetric tube: colorless flat glass tube with inner diameter Φ32mm and height 120～130mm
3 standard color wheel: 26 Φ14 optical holes, 25 of which are respectively equipped with standard color glass pieces of 1-25 color number, 26 holes are blank