Results for: Photometry and Radiometry bulgeria
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In the CMCs uncertainty statements, the notation Q[a, b] stands for the root-sum-square of the terms between brackets: Q[a, b] = [a 2 + b 2]1/2
Unless otherwise stated the expanded uncertainties given below correspond to k = 2 (at a 95 % level of confidence)
Bulgaria, BIM (Bulgarian Institute of Metrology)
Photometry ,
Illuminance
:
10 lx to 2000 lx
Tungsten lamp
Relative expanded uncertainty
:
2.3 %
Standard lamps on photometric bench
Correlated colour temperature : 2042 K to 3000 K
Approved on 21 October 2001
CMC ID :
EURAMET-PR-BG-00000CL5-2
Photometry ,
Luminous intensity
:
10 cd to 1000 cd
Tungsten lamp
Relative expanded uncertainty
:
1.5 %
Standard lamps, substitution on photometric bench
Correlated colour temperature : 2042 K to 3000 K
Approved on 21 October 2001
CMC ID :
EURAMET-PR-BG-00000CL3-2
Spectral properties of materials ,
Transmittance, regular, spectral
:
0.1 to 1
Spectrally-neutral material
Relative expanded uncertainty
:
0.65
Spectrophotometer
Wavelength range : 400 nm to 700 nm
Bandwidth : 0.5 nm to 5 nm
Specific measurement conditions : Geometry 0/0
Approved on 21 October 2001
CMC ID :
EURAMET-PR-BG-00000CL6-2
Photometry ,
Luminous flux
:
10 lm to 2000 lm
Tungsten lamp
Relative expanded uncertainty
:
2.5 %
Goniophotometer
Correlated colour temperature : 2600 K to 3000 K
Approved on 21 October 2001
CMC ID :
EURAMET-PR-BG-00000CL4-2
Photometry ,
Illuminance responsivity, tungsten source
Illuminance meter
Relative expanded uncertainty
:
2.3 %
Standard lamps and substitution with reference photometer on photometric bench
Correlated colour temperature : 2800 K
Illuminance : 10 lx to 2000 lx
Approved on 20 April 2017
CMC ID :
EURAMET-PR-BG-00000CL8-2
Spectral properties of materials ,
Reflectance, diffuse, spectral
:
0.1 to 1
Spectrally-neutral material
Relative expanded uncertainty
:
0.6
Comparison with standard reference materials for reflectance
Wavelength range : 380 nm to 780 nm
Bandwidth : 1 nm to 3 nm
Specific measurement conditions : Geometry 0/d
Approved on 21 October 2001
CMC ID :
EURAMET-PR-BG-00000CL7-2
Spectral properties of materials ,
Radiance factor
:
0.9 to 0.99
General material
Absolute expanded uncertainty
:
4.0E-3
Comparison with reference materials for radiance factor
Wavelength range : 380 nm to 780 nm
Specific measurement conditions : Geometry d/0, Bandwidth 1 nm to 3 nm
Type of source used : Tungsten halogen lamp
Approved on 21 October 2001
CMC ID :
EURAMET-PR-BG-00000CL2-2
