B A S F S P E C T R O P H O T O M E T E R 1 2 / 6
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Instrument Specifications
Measurement geometries
Spectral multi-angle measurement geometries according ASTM:
•
r45as-15, r45as15, r45as25, r45as45, r45as75, r45as110
Image-based texture measurement geometries
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The camera placed at 15° to the nominal.
•
Measurement geometries: r15as15, r15as-45, r15as45, 15as80 and semi-diffuse
Spectral analyzer technology
A spectral analyzer at 45° to the nominal is in place for above multi-angle measurement geometries.
•
Holographic diffraction grating with 128-pixel diode array (i1 technology)
•
Continuous spectral resolution of 10 nm
•
Pick-up spot size ~9 x 12 mm
Camera technology
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CMOS RGB camera
•
Field of view 9 x 12mm
•
Computed standardized HDR images with calibrated resolution
•
Pixel size 25
μm
in object space
•
Optical resolution 50
μm
•
Color space XYZ
•
Data format EXR
Directional illumination
Technology
•
LED technology
•
White high-power LED
Wavelength range
•
Wavelength range of illumination: default 400nm-700nm
Spot size
•
Illumination spot size 13 x 16mm
Spectral measurement performance
Short-term repeatability (MCDM)
•
MCDM: Mean color difference to mean. 10 measurements every 10s
•
MCDM <= 0.05 dE on BCRA white
At 23°+-1°C and 40-60% relative humidity
100% test on manufacturing line.
Inter-instrument performance MCDP, XCDP, XCDS
•
MCDP: Mean color difference to the population
•
XDCP: Max color difference to the population
•
XCDS: Max color difference to standard. Standard is defined as the MA91 centroid population transferred to the
HEFI calibration line.
Содержание BASF 12/6
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