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Your query 'United Kingdom' produced 11 results New search

 
United Kingdom, NPL (National Physical Laboratory)
Complete CMCs in Photometry and Radiometry for United Kingdom (.PDF file)
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 3.2
Double grating monochromator
Wavelength: 200 nm to 210 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1
Double grating monochromator and reference detectors
Wavelength: 211 nm to 239 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.7 at 240 nm, 0.5 above 240 nm
Double grating monochromator and reference detectors
Wavelength: 240 nm to 315 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3
Double grating monochromator and reference detectors
Wavelength: 316 nm to 404 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.1
Double grating monochromator and reference detectors
Wavelength: 405 nm to 919 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3
Double grating monochromator and reference detectors
Wavelength: 920 nm to 1000 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3
Double grating monochromator and reference detectors
Wavelength: 1001 nm to 1400 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Broad band detector. Measurand unit, A/(W m-2), V/(W m-2), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 0.3 to 0.4 (depending on wavelength)
Double grating monochromator and reference detectors
Wavelength: 1401 nm to 1800 nm
Bandwidth: < 10 nm
Power level: < 20 µW
Other types of detector can also be calibrated
Approved on 20 April 2017
 
Responsivity, spectral, irradiance. Spectroradiometer. Measurand unit, A/(W m-2 nm), V/(W m-2 nm), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 7.3 to 3.2, varies with wavelength
Tungsten or deuterium reference lamps
Wavelength range: 200 nm to 400 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2)/nm
Other types of source can also be used
 
Responsivity, spectral, irradiance. Spectroradiometer. Measurand unit, A/(W m-2 nm), V/(W m-2 nm), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 1.9
Tungsten reference lamps
Wavelength range: 400 nm to 700 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2)/nm
Other types of source can also be used
 
Responsivity, spectral, irradiance. Spectroradiometer. Measurand unit, A/(W m-2 nm), V/(W m-2 nm), reading/(W m-2)
Relative expanded uncertainty (k = 2, level of confidence 95 %) in %: 2.2 to 18, varies with wavelength
Tungsten reference lamps
Wavelength range: 700 nm to 2500 nm
Bandwidth: > 0.1 nm
Power level: < 0.3 (W/m2)/nm
Other types of source can also be used