Reston, Va.-based Hunter Associates Laboratory Inc. (HunterLab) now offers
the UltraScan® VIS spectrophotometer designed to measure the full range of human color perception
while meeting International Commission on Illumination (CIE) and ASTM International guidelines for
accurate color measurement. Tristimulus color calculations are performed between 360 and 780
nanometers (nm), as is recommended by the CIE, and spectral data are reported every 10 nm. The
UltraScan VIS features automated specular component inclusion/exclusion and uses diffuse/8°
geometry for measurement.
The spectrophotometer measures both transmitted and reflected color using its D65
illumination source, which is calibrated and controlled in the ultraviolet region to accurately
measure whitening agents.
Color sorting and sequencing of data measured by the spectrophotometer are simplified with
EasyGroup software. EasyMatch® QC software is available for research and quality control