RT Helper

RT Helper is a professional mobile tool for industrial radiographic testing (RT). It helps inspectors perform exposure calculations faster, avoid common mistakes. RT Helper supports both X-ray tubes and the most common isotopic sources (Se-75, Ir-192, Co-60). Designed by an experienced NDT specialist, the app focuses on accuracy, usability, and real field requirements. FREE VERSION FEATURES • Exposure time calculator for Se-75, Ir-192 and Co-60 • Exposure time calculator for all available X-ray tubes • Voltage and IQI selection based on material and thickness • Up to 4 customizable presets for quick switching between parameters • Built-in exposure timer with sound notification FOR WHOM RT Helper is created for: • RT Level I–III inspectors • NDT technicians working with film radiography • Students preparing for RT certification