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Colorimeters: 1. Visual instruments in which the amounts of three primary lights that match a test color when additively mixed are determined and provide a measure (the tristimulus values) of the test color. 2. Visual or photoelectric instruments for measuring color using (usually) three filters with broad spectral bands. 3. In chemistry, a color comparator used to determine the concentration of absorbing species by Beer's law.
Gigahertz-Optik, Inc., Sub. of Gigahertz-Optik GmbH - Newburyport, MA
Manufacturer of instrumentation for the measurement of light and measurement with light including UV-VIS-NIR radiometers, photometers, colorimeters, LED light analyzers, integrating spheres, power, reflectance and transmittance meters, and calibration standards. Standard lab-based systems, mobile...
Cargille Laboratories - Cedar Grove, NJ
Manufacturer of standard index/immersion liquids and sets, mounting media, custom liquids for optical engineering applications, and fiber optic and laser coupling/interfacing liquids. Provider of consulting, R&D, testing and calibration services.
ADMESY BV - Ittervoort, Netherlands
Bellingham & Stanley, Inc., A Xylem, Inc. Co. - Suwanee, GA
Berthold Technologies GmbH & Co. KG - Bad Wildbad, Germany
F.W. Breithaupt & Sohn GmbH & Co. KG - Kassel, Germany
Chroma ATE, Inc. - Taoyuan, Taiwan
Display Device Consultants LLC - Ann Arbor, MI
Eldim - Herouville-St.-Clair, France
Gaur Scientific Works - Ambala Cantt, India
Glen Spectra, Sub. of HORIBA Jobin Yvon Ltd. - Stanmore, England
Instrument Systems GmbH, Sub. of Konica Minolta Optics Inc. - Munich, Germany
International Light Technologies, Gilway & International Light Divs. - Peabody, MA
Klein Instruments Inc. - Tigard, OR
Konica Minolta Sensing Europe BV, Sub. of Konica Minolta Holdings - Warrington, England
LMT Lichtmesstechnik GmbH Berlin - Berlin, Germany
Majantys - Le Bourget-du-Lac, France
Market Tech, Inc. - Scotts Valley, CA
MAZeT GmbH - Jena, Germany
omt - optische messtechnik gmbh - Ulm, Germany
optek-Danulat, Inc. - Germantown, WI
Sciencetech, Inc. - London, Canada
Spectral Products - Putnam, CT
The Tintometer Ltd., Lovibond - Amesbury, England
UDT Instruments, Div. of Gamma Scientific - San Diego, CA
Vee Gee Scientific, Inc. - Kirkland, WA
1. A visual instrument in which the amounts of three primary lights that match a test color when additively mixed are determined and provide a measure (the tristimulus values) of the test color. 2. A visual or photoelectric instrument for measuring...
Transmittance of a stable solution is an exponential function of the concentration of the absorbing solute.
The values of the three standard or matching stimuli necessary to provide a match with the light under trial, in a specified trichromatic system.
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