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Color reader - whiteness index Biotechnology

Color reader - whiteness index

Product Code:CR-14

Need more Info? (514) 354-2511 - 1-800-463-4363

Whether a food's color is good or bad can influence consumer purchases. Since color variations of white are especially obvious, it has become increasingly important to control color from raw materials through the manufacturing process. Furthermore, there is a growing need to quantify what effect storage during transportation has on the whiteness of a product.

  • Fits in the Palm of your Hand
  • Battery Operated
  • Lightweight
  • Low Price
  • Simple to Use


Illuminating/viewing geometry 8/d (8' illumination angle/diffuse viewing; specular component excluded)
Measuring area Approx. 08mm
Display modes Whiteness Index: CIE, Hunter, ASTM E313
Yellowness Index: ASTM E313, ASTM D1925
Yxy (Displayable in CIE display mode)
Repeatability Standard deviation of Whiteness Index: CIE. 0.5, Hunter 0. 1
(Measurement conditions: When measuring white calibration plate)
Minimum interval between measurements Approx. 1 sec.
Power source Four AA-size batteries or optional AC Adapter AC-A12
Battery life Alkaline-manganese batteries: Approx.2000 measurements at 10-sec. intervals
Ni-Ccl batteries: Approx. 600 measurements at 10-sec intervals
Operating temperature range 0 to 40°C (32 to 104°F); less than 85% relative humidity no condensation
Storage temperature range -20 to 40°C (-4 to 104°F) no condensation
Standard accessories White Calibration Plate CR-A74, Soft Case CR-A68;
Protective Cap CR-A79; Wrist Strap CR-A73; AA-size batteries (4)
Optional accessories AC Adapter AC-A12; Printer Cable CR-A75: Vinyl Cover CR-A80



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