ASTM Color Scale. ASTM Color as specified in ASTM D is a single number colour scale for grading petroleum products. The scale is defined by. 16 glass. The visual Saybolt and ASTM D Color scales can be used individually or in tandem to rank low and high chroma petroleum-based. ASTM D is a single number, one dimensional, colour scale ranging from a pale straw through to a deep red in sixteen steps ( – units in increments of .

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Koehler K Saybolt Colorimeter. What is your application?

Koehler K13200 / K13290 Bench-top Colorimeter

Work Item s – proposed revisions of this standard. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

In some cases, the color may serve as an indication of the degree of refinement of the material. Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings.

Koehler K / K Bench-top Colorimeter (ASTM D, D) | Labequip

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Replacement white inserts are available to ensure correct lighting levels are preserved. Determination of colour ASTM scale. When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product.


Looking for a specific close-up? General Use laboratory apparatus balances, baths, asmt, centrifuges, chart recorders, freezers, fume hoods, furnaces, glassware washers, glove boxes, mixers, moisture testing, ovens, pumps, shakers, vacuum equipment, water purification Available request a quote.

Email Us or xstm toll-free: Type text as it appears:: However, color c1500 not always a reliable guide to product quality and should not be used indiscriminately in product specifications.

Seta-Lovibond Colour Comparator

Copyright Stanhope—Seta Limited What are your requirements. Right-click to open the PDF in a new window or download it: 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.

Two-disc configuration offers a distinct advantage over single-disc systems – the sample is always bracketed between the next lower and higher color standards allowing the viewer to easily determine the actual sample color.

Petroleum Products and Biofuel lab apparatus baths, calorimeters, color measurement, density meters, flash point, hydrogenators, oil testing, penetrometers, surface tension, vapor pressure, viscometers and rheometers, Samples too dark for direct viewing are diluted with kerosine.

ICS Number Code A detachable prism light shield may be inserted to eliminate any outside light interference. View the sample from either a standing or sitting position through a prism eyepiece that brings the standards and sample together in a three-field comparison. Historical Version s – view previous versions of standard Work Item s – proposed revisions of this standard Translated Version d15000 See detailed specifications Available accessories Request a quotation More products in this subcategory.

Request a Free Quote Right Now. Historical Version s – view previous versions of standard.


Ast, laboratory wstm stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, Methods of test for petroleum and its products. 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.

Comparator may also be used to quickly determine if a sample falls between two predetermined color limits. Enter product namemake or model. Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual.

The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes. Link to Active This link will always route to the current Active version of the standard. What are your specifications? Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D Rotate the discs by turning dials on the front of the comparator until the sample color matches the color standards and take the reading directly from the dials.

The discs and sample are illuminated by a tungsten quartz halogen light source colour corrected to CIE standard illuminant C.

Supplied with a Certificate of Colour Conformity. Samples which are not clear such as petroleum waxes are pre-heated above their cloud point. Lab Equipment for Sale: The following link provides additional information d1050 the instruction manual or original manufacturer’s brochure.