Abstract
In radiography, an exposure chart is needed to determine the correct exposure. The creation of exposure chart so far requires a lot of film. To reduce the use of film, a program was created that utilizes the principles of radiographic exposure in the form of the relationship between tube current, tube voltage, exposure time, and geometry principles. The program was validated through curve fitting and Mean Absolute Percentage Error (MAPE) by comparing the density of the specimen radiograph image with the exposure chart generated by the program. The generated exposure chart is the exposure chart for steel with voltages of 120 kV, 130 kV, 140 kV, 150 kV, and 160 kV. The resulting exposure chart has a coefficient of determination of 0.97 and has high accuracy.
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