The CR-400 Tristimulus Colorimeter
is a stand-alone hand held unit that measures paint samples, compares the results to specific targets, displays data, stores up to 1000 readings, and interfaces with a PC or Konica Minolta's DP-400 processor.
The researchers used tristimulus colorimeter
readings--a relatively inexpensive method to measure visible color in the cut melons--and compared the measurements to the amounts of lycopene extracted from the melons.
(Reporting last fall on Gizzmo developer Sequel Imaging, The Seybold Report on Publishing Systems said the "mouse-like device," a "tristimulus colorimeter
," and its associated color analysis system are the products of three former Howtek engineers.)
Current innovativa products include a complete line of spectrophotometers, tristimulus colorimeters
, quality control and color formulation software.
Eppeldauer, Spectral responsivity based calibration method of tristimulus colorimeters
Spectrophotometers and tristimulus colorimeters
are used for samples with uniform surfaces and colors.
Until relatively recently, tristimulus colorimeters
were the only affordable alternative to costly spectrophotometers for instrumental color measurement.