The human eye is capable of differentiating several million colours, despite this subjective visual evaluation, when used for quality control purposes, is no longer preferred as it suffers from a lack of real quantifiable data and inconsistent documentation.
Since the early 1930’s many scientific measuring techniques have been developed by National Standards Organisations, among them the CIE (International Committee of Light), based on a logical numeric scaling where physical parameters and calculations have been clearly defined, universally accepted and adopted. As a result, many methods are today perfectly proven, and governed by major standards such as ASTM, BS, DIN, or ISO etc.
Spectrophotometer - The appearance of effect finishes are influenced by different viewing angles and conditions. Apart from the light-dark flop and colour shift special sparkling effects can be created. Byk-mac is unique as it measures both multi-angle colour and flake characterization in one portable device.
The Colour Comparator uses precision- polished optical glass filters as references. The two different models are available with or without illumination.
This popular and easy to use comparator is designed for quality control of light coloured liquids, 18 standards are provided, matched to comply with ASTM D 1544.
This high precision instrument is suitable for quality control of transparent coloured liquids including solvents, resins, adhesives and pharmaceuticals.
This is a high performance instrument for professional colour measurements of clear, transparent liquids with reference beam technology. Exact colour calculations which conform to DIN, ISO & ASTM standards also AOCS Methods, and iodine, colour values, Hazen or Gardner as well as CIE-L*a*b*.
These are available in 3 versions to accommodate both large and small components. The portable version is ideal for customer presentations or for on-site discussions where such facilities would not normally be available.
These Liquid Colour Standards are designed are intended for colour checking individual measuring instruments, comparison between instruments and other laboratories.
RAL Colour charts offer a quick easy method of comparing samples against known standards, additional benefits can be obtained when used under standard lighting conditions of a light cabinet.
This new portable Spectrophotometer combines the latest and most advanced technology in micro-electronics and colorimetry
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