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This project, carried out as a collaborative effort between Universidad del Valle and the Colombian luminaries manufacturer Roy Alpha, Inc., describes the design and calibration of a photogoniometer for the company\'s photometry lab. A brief summary is given regarding the different types of photogoniometers, their operation, and the important role they play in the luminary design process. Also, a description is given of the design that has been conceived and constructed. Lastly, the methodology of calibration is explained, a methodology which made it possible to assure that the system\'s assembly was adequate before making any photometric measurements in the laboratory. A comparison made between the photometries obtained with this photogoniometer and those carried out in a certified laboratory showed differences no greater than 3%. The total investment of Roy Alpha, Inc., in this project was approximately 25 % of the purchase price of an imported photogoniometer system.

Alexander Arias Cuéllar

departamento de diseño y desarollo de productos nuevos,multipartes s.a cali colombia

Joao L. Ealo Cuello

escuela de ingenieria mecanica,universidad del valle cali colombia

Eduardo Caicedo

escuela de ingenieria electrica y electronica,universidad del valle cali,colombia
1.
Arias Cuéllar A, Ealo Cuello JL, Caicedo E. desing,assembling,and calibration of a photogoniometer for the colombian luminaries manufacturer roy alpha,inc. inycomp [Internet]. 2007 Jan. 8 [cited 2024 Nov. 22];9(1):45-56. Available from: https://revistaingenieria.univalle.edu.co/index.php/ingenieria_y_competitividad/article/view/2494