4137 / Temperature (Kelvin): Strahldichtemesseinrichtung at the PTB in Berlin: EUROPA, DEUTSCHLAND, BERLIN (BERLIN, GERMANY), 4.5.2007: Spectral radiance measuring set-up at Physikalisch-Technische Bundesanstalt, Institute Berlin, Germany. Realization of the high-temperature part of the International Temperature Scale for disseminating SI base unit kelvin. Tungsten strip lamp of 1337,3 K radiance temperature, used for calibration of radiation sources and detectors. - Marc Steinmetz / VISUM - Keywords: Germany, Physikalisch, Technische, Bundesanstalt, PTB, science, technology, physics, metrology, base, unit, international, system, of, units, SI, metrical, measure, measurement, standard, lab, temperature, kelvin, calibrate, calibration, thermometer, radiation, density, tungsten, light, bulb, bulbs, heat, strip, lamp