4137 / Luminous intensity (Candela): Measurement with Kugelphotometer at the PTB in Braunschweig: EUROPA, DEUTSCHLAND, NIEDERSACHSEN, BRAUNSCHWEIG (BRAUNSCHWEIG, GERMANY), 26.06.2007: Photometry at Physikalisch-Technische Bundesanstalt PTB in Braunschweig, Germany. Characterization of light sources by measuring luminous flux with an integrating sphere of 2.5 m diameter for camparison with standard transfer lamps of known properties. - Marc Steinmetz / VISUM - Keywords: Germany, Physikalisch, Technische, Bundesanstalt, PTB, science, technology, physics, metrology, base, unit, international, system, of, units, SI, metrical, measure, measurement, standard, accurate, accuracy, lab, light, luminous, flux, intensity, candela, photometer, photometry, integrating
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