Lovibond Comparator 3000 AF650 Petroleum Oils Comparator — product documents
Official English PDF documents for the listed product models, covering features, technical specifications and configuration information.
View resource →Product overview
AF650 uses a pair of discs containing 16 glass standards for three-field visual grading of petroleum oils and waxes across ASTM Colour 0.5–8.0.
Key features
- Three-field viewing presents the sample with two adjacent standards for fast matching.
- The two discs can be set to limiting colours for rapid tolerance checks.
- Integrated tungsten-halogen illumination and standardising filters provide controlled viewing conditions.
Models and part numbers
| Part number | Model | Range / purpose |
|---|---|---|
| 345030 | AF650 | ASTM Colour 0.5–8.0 |
Technical specifications
| Measurement system | Three-field visual comparison |
|---|---|
| Range / object | ASTM Colour 0.5–8.0; 33 mm path length |
| Applicable standards | ASTM D1500, ASTM D6045, ISO 2049 |
| Colour type | Transparent |
| Portability | Benchtop |
Colour-disc scale values
| Part number | Disc | Scale values (ASTM Colour) |
|---|---|---|
| 240280 | ASTM 0.5–7.5 disc | 0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5 |
| 240290 | ASTM 1.0–8.0 disc | 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0 |
Standard delivery
- Comparator 3000 instrument
- One pair of ASTM 0.5–8.0 glass discs covering half and whole steps
- Three cylindrical glass sample jars
Applications
For ASTM colour grading of gasoline, kerosene, fuel oils, lubricating oils and petroleum waxes.