This European Standard describes the control of the viewing conditions for magnetic particle and penetrant testing. It includes minimum requirements for the illuminance and UV-A irradiance and their measurement. It is intended for use when the human eye is the primary detection aid.
BS EN ISO 3059:2001 history
2012BS EN ISO 3059:2012 Non-destructive testing. Penetrant testing and magnetic particle testing. Viewing conditions
2001BS EN ISO 3059:2001 Non-destructive testing - Penetrant testing and magnetic particle testing - Viewing conditions