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Calibration of the Broad Band UV Radiometer

From Solar Light Company, Inc.

Mounting concern about the ozone layer depletion and the potential ultraviolet exposure increase accelerate the need for an accurate ultraviolet radiation monitoring. To assure the accuracy of measurement the instrument has to be well characterized and the calibration procedure has to be designed to meet the growing precision and accuracy requirements. In depth error analysis is also necessary to properly estimate the character and amplitude of errors incurred during the calibration procedure. A method for calibration of a broad band UV radiometer is proposed. In order to achieve the highest precision it is based on spectroradiometric transfer from a standard lamp and a standard detector in a well controlled laboratory conditions. Random and systematic error sources are identified and their contribution to the final calibration result is calculated.
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