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The RT100 consists of a hand-held spectrometer unit with an integrated measuring head (45 degrees; / 0 degrees; measuring geometry) for precision colour measurement and control of regular surfaces. The RT200 has a similar spectrometer unit but is supplied with a flexible, fibre-optic measuring head (0 degrees; / 0 degrees; measuring geometry) for colour measurement of small areas, challenging shapes or relatively inaccessible places.

The RT100 and RT200 combine advanced microspectrometer technology with the computing power of a PC. The spectrometer units link to a standard PC computer with Lovibond^® RT Colour Measurement System software installed for instrument operation and for presentation, analysis and logging of reflectance data.

Results can be expressed in a choice of colour values and colour difference measurements:

CIE XYZ tristimulus values

CIE L*a*b* colour space

CIE L'u'v colour space

CIE x y Y chromaticity coordinates

CIE L*C*h colour space

��E*, ��L*, ��a*, ��b*, ��C*, ��h* colour differences

Whiteness Index

Reflectance

Yellowness Index

Metameric index

The software, which works under MS Windows^® 95/98/NT, displays a choice of colour spaces or reflectance curves, allows input and selection of reference values, will average multiple measurement and includes a verbal indication of colour differences. It includes the facility for data export to ASCII files and direct data export into MS Excel.

Technical Specification

Measuring principle Spectral

Spectral response RT100: 400 - 700 nm;

RT200: 400 - 800 nm

Spectral resolution 7.5 nm

Measuring geometry RT100: 0º/45º; RT200: 0º/0º

Measuring area RT100: 3 mm; RT200: 1 - 3 mm

Repeatability ��E*ab 0.1 on white reference

Illuminants CIE Illuminant A, C, D65

Observers 2º, 10º

Interface USB

Approvals CE

Instrument housing Anodised steel

Dimensions 104 x 54 x 36 mm