4 April 1979 Power Supplies For Photometric Reference Lamps
Author Affiliations +
Proceedings Volume 0146, Light Measurement in Industry; (1979) https://doi.org/10.1117/12.956603
Event: Light Measurement in Industry I, 1978, London, United Kingdom
This paper tries to highlight the most important aspects of the problem of ensuring that the user of a calibrated reference lamp faithfully reproduces the electrical input originally defined by the calibrating laboratory and considers the influence of these factors upon the specification of the lamp power supply unit. Tungsten filament lamps are the most widely used as references and discussion has been limited chiefly to PSU's for this type of lamp only. The paper touches upon the relationship of electrical input and light output for such lamps; errors which can occur in electrical measurements at AC and DC; specification of PSU performance and facilities; appropriate types of PSU and notes on their strengths and weaknesses including some ideas of relative costs.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
E. M. Wareham, E. M. Wareham, } "Power Supplies For Photometric Reference Lamps", Proc. SPIE 0146, Light Measurement in Industry, (4 April 1979); doi: 10.1117/12.956603; https://doi.org/10.1117/12.956603


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