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United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Photometry and Radiometry for United Kingdom (.PDF file)
Colour, emitted, u, v. General source. u, v, 0 to 0.9
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 0.0004
Spectroradiometer and reference lamps
Bandwidth: < 20 nm
Type of source: any source, including displays
Uncertainty varies according to source properties. Results can also be expressed in other units e.g. x, y or Lab.
Approved on 07 May 2007
 
Colour, emitted, u, v. General source. u, v, 0 to 0.9
Absolute expanded uncertainty (k = 2, level of confidence 95 %): 0.0001
Spectroradiometer and reference lamps
Bandwidth: selected to suit source type
Type of source: any source, including displays
Uncertainty varies according to source properties. Results can also be expressed in other units e.g. x, y or Lab.
Approved on 07 May 2007