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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A detachable prism light shield may be inserted to eliminate any outside light interference. 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, The following link provides additional information from the instruction manual or original manufacturer’s brochure. Request a Free Quote Right Now. Comparator may also be used to quickly determine if a sample falls between two predetermined color limits.
Pharmaceutical laboratory apparatus stability chambers, tablet disintegration, tablet dissolution, tablet hardness, V-blenders, 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. 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.
Samples which are not astj such as petroleum waxes are pre-heated above their cloud point. See detailed specifications Available d11500 Request a quotation More products in this subcategory. Email Us or call toll-free: In some cases, the color may serve as an indication of the degree of refinement of the material.
General Use zstm apparatus balances, baths, blenders, centrifuges, chart recorders, freezers, fume hoods, furnaces, glassware washers, glove boxes, mixers, moisture testing, ovens, pumps, shakers, vacuum equipment, water purification Samples too dark for direct viewing are diluted with kerosine.
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.
Methods of test for petroleum and its products. Supplied with a Certificate of Colour Conformity.
Historical Version s – view previous versions of standard. Lab Equipment for Sale: Copyright Stanhope—Seta Limited Type text as it appears:: When the color range of a particular product is known, a variation outside the established range may indicate possible contamination with another product.
Link to Active This link will always route to the current Active version of ashm standard.
Koehler K Saybolt Colorimeter. ICS Number Code What are your specifications? Work Item s – proposed revisions of this standard. Available request a quote. What are your requirements. 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.
Color corrected filtered halogen light source corresponding to Illuminant C of the CIE system provides clear visibility, assuring accurate readings.
Seta-Lovibond Colour Comparator
Determination of colour ASTM scale. The discs and sample are illuminated by a tungsten quartz halogen light asym colour corrected to CIE standard illuminant C. Referenced Documents purchase separately The documents listed below are referenced within the aastm standard but are not provided as part of the standard. Color discs situated on either side of the sample contain standards conforming to the chromaticity coordinates of ASTM D However, color is not always a reliable guide to product quality and should not be used indiscriminately in product specifications.
Seta-Lovibond Colour Comparator for ASTM D, IP
The Seta-Lovibond Colour Comparator is used for visual determination of the colour of oils and petroleum waxes. Enter product namemake or model. Looking for a specific close-up? Replacement white inserts are available to ensure correct lighting levels are preserved.
What is your application?
Right-click to open the PDF in a new window or download it: Historical Version s – view previous versions of standard Work Item s – d100 revisions of this standard Translated Version s: 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. 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.
Supplied with; 2 x filter discs 3 x sample containers Power supply unit Instruction manual.