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National standard of color coordinates and spectral coefficients of directed transmission and diffuse reflection in the wave length range (0,2–2,5) mcm

The standard is produced and is in operation since 2000

Standard composition:

  • spectrophotometer «CARY-500 SCAN» produced by «VARIAN»;
  • spectrophotometer «SPECORD-M40» produced by «CARL ZEISS JENA»;
  • test probe DRA to spectrophotometer «CARY-500 SCAN» for measurement of diffuse reflection at geometry of illumination/observance 0/d;
  • test probe «The sphere of Ulbricht» to spectrophotometer «SPECORD-M40» for diffused reflection measurement at geometry of illumination/observance 8/d;
  • cassette for PC «COLOR-MEASUREMENT» to spectrophotometer «SPECORD-M40»;
  • a set of measures of spectral ratio of directed transmission in ultraviolet (UV), in visible (VIS) and infrared (NIR) fields of spectrum KC-100, KC-102;
  • a set of measures of spectral coefficients of diffuse reflection in ultraviolet (UV), visible (VIS) and infrared (NIR) spheres of spectrum;
  • a set of color transparent measures of color coordinates X,Y, Z and chromaticity coordinates х, у;
  • a set of colored reflective measures of color coordinates X,Y, Z and chromaticity coordinates х, у

Calculation of color coordinates is carries out in accordance with recommendations of the International Commission on illumination.

Metrological characteristics:

Measuring capabilities of the standard

Measured value, calibrated measure Measurement range Values of expanded uncertainty
Min... Max value rel./abs. value, presented in the form of a number and dimension

Spectral coefficients of diffuse reflection

1,0…100%

0,5 %

Spectral coefficients of directed transmission

1,0…99,0%

0,12 %

Color coordinates X,Y, Z and chromaticity coordinates х, у of reflective samples

X = 2,5…109,0 color units;

Y = 1,4…98,0 color units;

Z =1,7…107,0 color units;

х =0,0039…0,1000 chromaticity units;

у=0,0048… 0, 1000 chromaticity units

 

            

0,25 color units

 

0,0007 chromaticity units

 

Color coordinates X,Y, Z and chromaticity coordinates х, у of transparent samples

X = 2,5…109,0 color units;

Y= 1,4…98,0 color units;

Z=1,7…107,0 color units;

х=0,0039…0,1000 chromaticity units;

у=0,0048… 0, 1000 chromaticity units

 

0,1 color units

 

0,0070 chromaticity units

 

Sources of traceability:

  • France, NBM/INM, the standard of spectral coefficients of diffuse reflection;
  • Russia, FSUE «All-Russian Research Institute of Optical and Physical Measurements», State special standard of color and chromaticity coordinates, State primary standard of spectral coefficients of directed transmission within the range of 0,2/50 mcm, diffuse and mirror reflection within the range of 0,2/2,5 mcm;
  • Poland, GUM, the standard of spectral coefficients of directed transmission and diffuse reflection

Scope of application:

  • verification and calibration of photometers, spectrophotometers, calorimeter, whiteness measuring gauges, analyzers;
  • research on calorimetric characteristics of reflective films, intended for production of road signs and road marking;
  • investigations and works with industrial enterprises and research institutes

 

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