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Calibration and Measurement Capabilities
Photometry and Radiometry
In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a2 + b2]1/2
 
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Your selection : Photometry and Radiometry
 
Netherlands, VSL (VSL)
Complete CMCs in Photometry and Radiometry for Netherlands (.PDF file)
5.2.1. Correlated colour temperature, Spectroradiometer 3100 to 2856 3100
Absolute expanded uncertainty (k = 2, level of confidence 95%) in K: 8
Tungsten lamp
K: 
Services also available for sources other than Tungsten sources, with uncertainty evaluated for specific source
Approved on 20 April 2017
 
5.6.0. Colour rendering, Ra, Spectroradiometer 100 to 0 100
Absolute expanded uncertainty (k = 2, level of confidence 95%): 0.24
General source
Uncertainty varies according to source properties
Approved on 20 April 2017
 
Averaged Luminous intensity. LED, 0.05 cd to 1000 cd
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2.1
Distance and illuminance measurement
Geometric measurement conditions: CIE A and B
Peak Wavelength: 542 nm to 565 nm (green)
Approved on 20 April 2017
 
Averaged Luminous intensity. LED, 0.05 cd to 1000 cd
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.7
Distance and illuminance measurement
Geometric measurement conditions: CIE A and B
Peak Wavelength: 635 nm to 642 nm (red)
Approved on 20 April 2017
 
Averaged Luminous intensity. LED, 0.05 cd to 1000 cd
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.9
Distance and illuminance measurement
Geometric measurement conditions: CIE A and B
Peak Wavelength: 462 nm to 465 nm (blue)
Approved on 20 April 2017
 
Averaged Luminous intensity. LED, 0.05 cd to 1000 cd
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2.5
Distance and illuminance measurement
Geometric measurement conditions: CIE A and B
Peak Wavelength: White
Approved on 20 April 2017


 
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