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Lovibond® RT100 - 200 Handheld Spectrophotometers
Compact, lightweight spectrophotometers, giving spectral reflectance data for quality control of surface colour. 
 
RT100
 RT200
Geometry
45/0
0/0
Illuminants
C, D65, A
C, D65, A
Standard Observers
2o, 10o
2o, 10o
Measurement area
3 mm
1 - 3 mm
Portability
Link to standard PC
Link to standard PC
Repeatability
DE 0.1 on white reference
DE 0.1 on white reference
Storage
Via link to PC
Via link to PC
Display
PC Monitor
PC Monitor
RT100 Spectrophotometer
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: X Y Z tristimulus values, CIE L*a*b*, CIE x y Y, CIE L’u’v’, CIE L*C*h, Whiteness Index, Yellowness Index, DE, DL*, Da*, Db*, DC*, Dh colour differences, reflectance, 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.

Adapters for Liquids, Semi Solids & Powders
The following adapters allow the RT100 to be used for colour control of liquids, semi solids and powders by establishing a constant sample environment, which ensures that sample comparisons are of significance.  In particular they exclude ambient light, which can affect measurements, and fix the sample path length, which may influence readings especially if samples are translucent.  For colour control of standard opaque samples, the spectrometer unit can be removed from the adapter.

RT100 Cell Adaptor (with 10 & 20 mm cells and white reference)
Suitable for translucent and opaque liquids, semi-solids and powders.  The RT100 measuring head is mounted in a light-excluding compartment that houses the sample in a 10 or 20 mm cell backed by a white reference.

RT100 Tube Adaptor (with tubes and white reference)
Suitable for opaque liquids, semi-solids and powders.  The RT100 measuring head is mounted in a light-excluding funnel that houses the samples in tubes.
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