IEC 62963 pdf – Radiation protection instrumentation – X-ray computed tomography (CT) inspection systems of bottled/canned liquids 4Requirements 4.1 Structure and appearance Protection grade for the system’s shell shall be subject to rules of IEC 60529, which shall notbe rated lower than the international protection marking code lP20. 4.2Functionality 4.2.1 Threat alarm The system shall automatically provide warning by audible...