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Slovakia, SMU (Slovensky Metrologicky Ustav)
Complete CMCs in Photometry and Radiometry for Slovakia (.PDF file)
Wavelength. Fibre optic source, 600 nm to 1700 nm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in nm: 0.15
Direct measurement by spectrum analyser
Approved on 18 April 2006
 
Wavelength. Optical spectrum analyser, 600 nm to 1700 nm
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in nm: 0.03
Direct measurement of lines
Approved on 18 April 2006
 
Luminous intensity. Tungsten lamp, 8 cd to 3000 cd
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.0
Comparison to standard lamps of luminous intensity
Colour temperature: 2856 K
Approved on 18 April 2006
 
Illuminance responsivity, tungsten source. Illuminance meter. Measurand unit, A/lx, V/lx, reading/lx
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.5
Spectroradiometric measurements
Wavelength: 360 nm to 780 nm
Illuminance: 40 lx
Approved on 18 April 2006
 
Luminous flux. Tungsten lamp, 80 lm to 15000 lm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.0
Integrating sphere
Colour temperature: 2787 K
Approved on 18 April 2006
 
Illuminance. Tungsten lamp, 2 lx to 10000 lx
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 4.0
Comparison with luminous intensity reference standard
Correlated colour temperature: 2042 K to 3200 K
Approved on 18 April 2006
 
Luminance. Tungsten-based source, 10 cd/m2 to 2500 cd/m2
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 5.0
Comparison with luminous intensity reference standard
Correlated colour temperature: 2856 K
Approved on 18 April 2006
 
Responsivity, spectral, power. Broad band detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3 to 0.4, varies linearly with wavelength
Double grating monochromator with standard radiometers
Wavelength: 300 nm to 400 nm
Bandwidth: 1 nm to 5 nm
Radiant power: < 10 µW
Approved on 18 April 2006
 
Responsivity, spectral, power. Broad band detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.4
Double grating monochromator with standard radiometers
Wavelength: 400 nm to 1000 nm
Bandwith: 1 nm to 10 nm
Radiant power: < 50 µW
Approved on 18 April 2006
 
Responsivity, spectral, power. Broad band detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.5
Double grating monochromator with standard radiometers
Wavelength: 1001 nm to 1600 nm
Bandwidth: 1 nm to 10 nm
Radiant power: < 100 µW
Approved on 18 April 2006
 
Responsivity, spectral, power. Broad band detector. Measurand unit, A/W, V/W, reading/W, W, dB, dBm
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.5 to 3, varies linearly with wavelength
Double prism monochromator with standard radiometers
Wavelength: 1601 nm to 12000 nm
Bandwidth: 10 nm to 50 nm
Radiant power: < 50 µW
Approved on 18 April 2006
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Direct comparison
Pulse amplitude: 0.1 V to 1 V
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SMU/1
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 100
Direct comparison
Prediction time: 20 days
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SMU/2
 
Time scale difference. Local clock vs UTC, -1 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 50
Postprocessed: 0 to 5 days
Fractional part of modulo 1 second difference, integer part can be provided also
Approved on 18 November 2009
Internal NMI service identifier: SMU/3
 
Frequency. General frequency source, 1E-02 GHz to 46 GHz
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in Hz: 4
Direct comparison
Averaging time: 10 s
HP 53 152 + Cs
Approved on 18 November 2009
Internal NMI service identifier: SMU/11
 
Time interval. Period source, 1E-02 s to 10 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Time interval counter
Averaging period: >= 100 s
HP 53 132A + Cs
Approved on 18 November 2009
Internal NMI service identifier: SMU/12
 
Time interval. Rise/fall time source, 1E-02 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Time interval counter
Averaging period: >= 100 s
HP 53 132A + Cs
Approved on 18 November 2009
Internal NMI service identifier: SMU/13
 
Time interval. Pulse width source, 1E-02 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Time interval counter
Averaging period: >= 100 s
HP 53 132A + Cs
Approved on 18 November 2009
Internal NMI service identifier: SMU/14
 
Time interval. Time difference source, 1E-02 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Time interval counter
Slewing rate: > 0.5 V/ns
HP 53 132A + Cs
Approved on 18 November 2009
Internal NMI service identifier: SMU/15
 
Time interval. Delay source, 1E-02 s to 1 s
Absolute expanded uncertainty (k = 2, level of confidence 95 %) in ns: 2
Time interval counter
Slewing rate: > 0.5 V/ns
HP 53 132A + Cs
Approved on 18 November 2009
Internal NMI service identifier: SMU/16