Exposure Time Calculator app for iPhone and iPad

4.6 ( 2096 ratings )

Utilities
Developer: Nguyen Tinh

Free

Current version: 1.2, last update: 5 years ago
First release : 11 May 2018
App size: 17.22 Mb

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.