... types of hammer (different energy/material) for different types of piles (lengths, etc.)Features: Large touch screen, user friendly interface, ... quality signals to be ignored. Files arranged by projects ®piles; clear and convenient, project/pile testing data can be ... velocity, max. wave velocity, avg. wave velocity, numbers of piles of type Ⅰ,Ⅱ,Ⅲ, etc., and can generate a comprehensive excel format ...