Calibration Standards & Services
Calibration Standards & Equipment
Table 1 lists the National Physical Laboratory (NPL) calibrated standards used by the facility to perform the calibration services. Addition items of equipment used in the laboratory are listed in table 2.
Table 1 Calibration Standards
Table 2 Additional Equipment
Equipment |
Services |
Macam L203 photometer |
Independent verification of illuminance & luminance levels |
Macam SMU203 spot measurement accessory |
Independent verification of radiance source luminance levels |
Gooch & Housego OL 410-1000 stabilised current source |
Stabilised power supply for FEL irradiance standard |
Ar, Hg-Ar, Kr, Ne & Xe spectral line lamps |
Wavelength scale verification > 40 spectral emission lines 350 - 2500nm |
Labsphere erbium oxide doped reflectance panel |
Wavelength scale verification (488, 522.2, 653.9, 799.2 .. 1534.4 nm) |
NPL calibrated McCrone filter |
Wavelength scale verification (481, 588.6, 748.4, 869.2 .. 2326.8 nm) |
Calibrated Mylar sheets (NIST Traceable) |
Wavelength scale verification (1128.7, 1659.9, 1904.6, ... 2444.5 nm) |
Analytical Spectral Devices filter wheel & fibre source |
ASD FieldSpec Pro linearity and noise tests |
Verification Service for Field Spectroradiometers
The FSF calibration laboratory is available to NERC UK researchers to verify the calibration and performance of their own field spectroradiometers & accessories. Access to the FSF calibration Laboratory through the Application Form
Verification |
Equipment |
Verification of wavelength scale |
Spectral line emission lamps, > 40 points 350 - 2500nm, absorption filters |
Reference panel 8°/T reflectance factors |
Labsphere Spectralon Reference Tile |
Verification of radiance calibration |
NPL calibrated radiance sphere source |
Verification of irradiance calibration |
NPL calibrated irradiance FEL irradiance standard |