# NDT tools

> Free online calculators and charts for NDT technicians, such as ultrasonic horizontal and vertical linearity checks per ASME V.

- Source: https://amps.global/ndt-tools/
- Entries: 1

- [Horizontal and Vertical Linearities](https://amps.global/ndt-tools/linearity/): Free ultrasonic linearity calculators: enter your echo positions and screen heights to plot horizontal and vertical linearity charts with tolerance bands.