Abstract
Working standards for compact lamps is very important to some inspection organizations in Egypt. We prepare the working standard lamp of high power compact lamp .These lamps provide the realization of luminous flux scale in the photometry laboratory in national institute for standard (NIS). We choose three types of lamps in our study. The lamp types are compact florescent lamp at nominal watt (WL1) 85watt, (WL2) at nominal Watt 105 Watt with ballast and (WL3) at nominal Watt 105watt without ballast. The spectral power distributions of all the standard lamps and test lamps are measured. The results of experimentally obtained values of luminous flux of each lamp type at the calibration values of supply voltage at 220 volts are illustrated.
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