Results for: Tungsten Lamp irradiance PTB
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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)
Germany, PTB (Physikalisch-Technische Bundesanstalt)
Spectral emission properties of sources ,
Irradiance, spectral
:
1.00E-4 W (m2nm)-1 to 0.25 W (m2nm)-1
Tungsten lamp
Relative expanded uncertainty
:
1 % to 6 %
Spectroradiometer
Wavelength range : 2400 nm to 2500 nm
Bandwidth : 14 nm
Approved on 30 November 2025
Institute service identifier : PTB_4.11_1
CMC ID :
EURAMET-PR-DE-00000C1G-3
Spectral emission properties of sources ,
Irradiance, spectral
:
1.00E-4 W (m2nm)-1 to 0.25 W (m2nm)-1
Tungsten lamp
Relative expanded uncertainty
:
0.6 %
Spectroradiometer
Wavelength range : 700 nm to 2000 nm
Bandwidth : 2.5 nm to 8 nm
Approved on 30 November 2025
Institute service identifier : PTB_4.11_1
CMC ID :
EURAMET-PR-DE-00000C1E-3
Spectral emission properties of sources ,
Irradiance, spectral
:
1.00E-4 W (m2nm)-1 to 0.25 W (m2nm)-1
Tungsten lamp
Relative expanded uncertainty
:
1.2 % to 0.8 %
Spectroradiometer
Wavelength range : 300 nm to 450 nm
Bandwidth : 4.5 nm to 2.5 nm
Approved on 30 November 2025
Institute service identifier : PTB_4.11_1
CMC ID :
EURAMET-PR-DE-00000C1C-3
Spectral emission properties of sources ,
Irradiance, spectral
:
1.00E-4 W (m2nm)-1 to 0.25 W (m2nm)-1
Tungsten lamp
Relative expanded uncertainty
:
0.8 % to 0.6 %
Spectroradiometer
Wavelength range : 450 nm to 700 nm
Bandwidth : 1 nm to 2.5 nm
Approved on 30 November 2025
Institute service identifier : PTB_4.11_1
CMC ID :
EURAMET-PR-DE-00000C1D-3
Spectral emission properties of sources ,
Irradiance, spectral
:
1.00E-4 W (m2nm)-1 to 0.25 W (m2nm)-1
Tungsten lamp
Relative expanded uncertainty
:
0.6 % to 1 %
Spectroradiometer
Wavelength range : 2000 nm to 2400 nm
Bandwidth : 8 nm to 14 nm
Approved on 30 November 2025
Institute service identifier : PTB_4.11_1
CMC ID :
EURAMET-PR-DE-00000C1F-3
Spectral emission properties of sources ,
Irradiance, spectral
:
1.00E-4 W (m2nm)-1 to 0.25 W (m2nm)-1
Tungsten lamp
Relative expanded uncertainty
:
1.5 % to 1.2 %
Spectroradiometer
Wavelength range : 250 nm to 300 nm
Bandwidth : 4.5 nm
Approved on 30 November 2025
Institute service identifier : PTB_4.11_1
CMC ID :
EURAMET-PR-DE-00000C1B-3
