Product
Seta-Lovibond Colour Comparator - 15250-4
Methods
ASTM D1500
IP 196
BS 2000-196 & ISO 2049
The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes. Readings calibrated in accordance with ASTM D1500.
The three section field-of-view optical system allows a sample and two reference standard colour filters to be viewed simultaneously, allowing easy comparison of colour. The colour filters are mounted in two discs, one with full value standards and the other with intermediate value standards, giving improved discrimination over single disc comparators.
Seta-Lovibond Colour Comparator - 15250-4
Features
- High discrimination two disc system
- Three section field of view
- Consistent illumination
Information
Details
The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C. Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. Samples too dark for direct viewing are diluted with kerosine.
Replacement white inserts are available to ensure correct lighting levels are preserved.
Certification: Supplied with a Certificate of Colour Conformity.
Supplied with;
2 x filter discs
3 x sample containers
Power supply unit
Instruction manual
Details
| ASTM D1500 | Standard test method for ASTM colour of petroleum products (ASTM color scale) |
|---|---|
| IP 196 | Standard test method for ASTM colour of petroleum products (ASTM color scale) |
| BS 2000-196 & ISO 2049 | Methods of test for petroleum and its products. Petroleum products. Determination of colour (ASTM scale) |
Details
| Path length | 33 mm |
|---|---|
| Mode | Transmittance |
| Filter Disc | Disc 1 - ASTM No. 0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5 |
| Path Length | 33 mm |
| Illuminant | C |
| Voltage | 12 V ac PSU, 110/120 V or 220/240 V, 50/60 Hz (swtichable) |
| Size (HxWxD) | 15 x 23 x 27 cm |
| Weight | 1.5 kg |
| CCCN Code | Tariff 90275000 |
Methods
ASTM D1500
IP 196
BS 2000-196 & ISO 2049
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