Exposure Time Calculator is one product of AlphaNDT.
This app is used to calculate exposure time for Gama Ray (Ir-192) and X-Ray (Crawler CME and Zhong Yi) when conduct Radiography Testing in Non-Destructive Testing.
The calculation depends on many factors:
Material
Exposure thickness
Type of films
Density
Source to film distance
Activity (in case of Gama Ray) or kV and mA (in case of X-Ray)
This app is recommended to use when manual film processing.