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The Lovibond^® Comparator 2000+ System allows operators to visually match a sample against a suitable range of graded coloured glass filters in Lovibond^® test discs.

Using a suitable Comparator instrument, the sample is visually matched against calibrated, colour stable glass standards in test discs. The Comparator 2000+ is a short path length instrument (up to 40 mm) for visually matching samples with relatively dark colours.

Nessleriser systems are longer path length instruments for matching a column of sample in a glass cylinder of appropriate path length. They are designed for measuring unsaturated samples that are below the sensitivity of the Comparator 2000+. A selection of Lovibond^® colour grading discs for use with the Comparator System 2000+ are available for the following colour scales:

ASTM Color

Dyed Aviation

Gasoline

Gardner Color

Pt-Co/Hazen/APHA

System components:

Comparator instrument to bring the sample and the glass filters together for colour matching

Lighting unit (optional) to ensure constant viewing conditions for colour matching

Colour grading disc containing a series of glass filters, graded to give direct colour values

Sample container of the required path length

For specific colour control requirements, The Tintometer Ltd can also manufacture customised glass filters, which are matched to samples provided, usually representing the 'ideal' colour and acceptable colour limits or a series of product related colours.