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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
 
Result of the search
Your selection : Photometry and Radiometry
 
Germany, PTB (Physikalisch-Technische Bundesanstalt)
Complete CMCs in Photometry and Radiometry for Germany (.PDF file)
Averaged luminous intensity. LED, 0.01 cd to 1000 cd
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.9 to 1.2, varies with measurand and peak wavelength
Photometric bench
Geometric measurement and conditions: CIE Standard conditions A and B
Peak wavelength (or white): 360 nm to 830 nm and white LEDs
Service according to recommendation CIE 127 condition A and condition B.
Approved on 20 April 2017
Internal NMI service identifier: PTB_4.15_2
 
BRDF. General material, 0.0006 1/sr to infinite 1/sr
Relative expanded uncertainty (k = 2, level of confidence 95% ) in %: 1.5 to 50, varies with reflection
Gonioreflectometer
Wavelength range: 250 nm to 300 nm
Bandwidth: 3 nm
Geometry: arbiratry
Approved on 30 September 2010
Internal NMI service identifier: PTB_4.24_4
 
BRDF. General material, 0.0006 1/sr to infinite 1/sr
Relative expanded uncertainty (k = 2, level of confidence 95% ) in %: 1.0 to 50, varies with reflection
Gonioreflectometer
Wavelength range: 300 nm to 400 nm
Bandwidth: 3 nm
Geometry: arbiratry
Approved on 30 September 2010
Internal NMI service identifier: PTB_4.24_4
 
BRDF. General material, 0.0006 1/sr to infinite 1/sr
Relative expanded uncertainty (k = 2, level of confidence 95% ) in %: 0.5 to 50, varies with reflection
Gonioreflectometer
Wavelength range: 400 nm to 550 nm
Bandwidth: 3 nm
Geometry: arbiratry
Approved on 30 September 2010
Internal NMI service identifier: PTB_4.24_4
 
BRDF. General material, 0.0006 1/sr to infinite 1/sr
Relative expanded uncertainty (k = 2, level of confidence 95% ) in %: 0.2 to 50, varies with reflection
Gonioreflectometer
Wavelength range: 550 nm to 1650 nm
Bandwidth: 3 nm or 6 nm, depends on wavelength
Geometry: arbiratry
Approved on 30 September 2010
Internal NMI service identifier: PTB_4.24_4
 
BRDF. General material, 0.0006 1/sr to infinite 1/sr
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.5 to 50, varies with reflection
Gonioreflectometer
Wavelength range: 1650 nm to 1700 nm
Bandwidth: 6 mm
Geometry: arbitrary
Approved on 30 September 2010
Internal NMI service identifier: PTB_4.24_4


 
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