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Italy, INRIM (Istituto Nazionale di Ricerca Metrologica)
Complete CMCs in Photometry and Radiometry for Italy (.PDF file)
Distribution temperature. Tungsten lamp, 2800 K to 3000 K
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in K: 25.0
Red-blue ratio
 
Wavelength. Spectrally-selective transmitting material. Position of transmittance minimum, 300 nm to 650 nm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in nm: 0.5 to 3 (depending on band and bandwidth)
Spectrophotometer
Bandwidth: 0.5 nm to 3 nm
Approved on 03 September 2018
 
Luminous intensity. Tungsten lamp, 1 cd to 10000 cd
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.9
Reference lamps and photometer
Colour temperature: 2800 K to 2900 K
 
Illuminance responsivity, tungsten source. Illuminance meter. Measurand unit, A/lx
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1
Reference lamps and photometer
Colour temperature: 2800 K to 2900 K
Illuminance: 5 lx to 5000 lx
 
Luminous flux. Tungsten lamp, 5 lm to 2000 lm
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1
Goniophotometer
Colour temperature: 2800 K to 2900 K
 
Responsivity, spectral, power. Broadband detector. Measurand unit, A/W
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 3
Double grating monochromator
Wavelength: 365 nm
Power level: 0.01 µW to 10 µW
Bandwidth: 1 nm
 
Responsivity, spectral, power. Broadband detector. Measurand unit, A/W
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1
Double grating monochromator
Wavelength: 400 nm to 550 nm
Power level: 0.01 µW to 10 µW
Bandwidth: 1 nm
 
Responsivity, spectral, power. Broadband detector. Measurand unit, A/W
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2
Double grating monochromator
Wavelength: 600 nm to 800 nm
Power level: 0.01 µW to 10 µW
Bandwidth: 1 nm
 
Transmittance, regular, spectral. Spectrally-neutral material, 0.1 to 1
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.5 to 0.6, varies with measurand
Direct / cascading
Wavelength: 380 nm to 780 nm
Bandwidth: 2 nm
 
Transmittance, regular, spectral. Spectrally-neutral material, 0.01 to 0.1
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 3 to 1.5, varies with measurand
Direct / cascading
Wavelength: 380 nm to 780 nm
Bandwidth: 2 nm
 
Illuminance. Tungsten lamp, 5 lx to 5000 lx
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1
Reference photometers
Correlated colour temperature: 2800 K to 2900 K
 
Luminance. Tungsten-based source, 1 cd/m2 to 1000 cd/m2
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.2
Integrating sphere source
Correlated colour temperature: 2800 K to 2900 K
 
Responsivity, laser, power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.08
Stabilised laser and reference detector
Wavelengths: 488 nm, 514 nm, 647 nm
Power level: 20 µW to 1 mW
Type of detector: trap detectors
 
Responsivity, laser, power. General detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 0.2
Stabilised laser and reference detector
Wavelengths: 633 nm
Power level: 20 µW to 1 mW
Type of detector: trap detectors
 
Luminance responsivity. Luminance meter. Measurand unit, reading/(cd m-2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.2
Comparison with luminance meter
Type of source: CIE standard source A
Luminance: 1 cd/m2 to 1000 cd/m2
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 1.2
Comparison with spectral responsivity standards double grating monochromator
Wavelength: 400 nm to 550 nm
Bandwidth: 1 nm
Power level: 0.01 µW to 10 µW
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2.1
Comparison with spectral responsivity standards double grating monochromator
Wavelength: 600 nm to 800 nm
Bandwidth: 1 nm
Power level: 0.01 µW to 10 µW
 
Transmittance, diffuse, spectral. Spectrally-neutral material, 1E-03 to 1
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 5.2 to 1.2, varies with measurand
Spectrophotometer
Wavelength: 380 nm to 780 nm
Bandwidth: 2 nm
Specific measurement conditions: 0° incidence, diffuse plus regular
 
Reflectance, regular, spectral. Spectrally-neutral material, 0.01 to 1
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 5.2 to 1.2, varies with measurand
Spectrophotometer
Wavelength: 380 nm to 780 nm
Bandwidth: 2 nm
 
Responsivity. Fibre optic power meter. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95%) in %: 2.0
Comparison with reference detector
Wavelength: 850 nm
Bandwidth: multimode
Power: 10 µW to 1mW