RSM-SY6 (C) Ultrasonic Pile Integrity Tester is the most cost-effective CSL device, which can complete the acoustic pile integrity detection by transmission method, and is compatible 

Cross Hole Sonic Logging Tester also called as Ultrasonic Cross hole Pile Tester is specially designed instrument to test pile integrity by acoustic-transmission method.

The Cross-Hole Analyzer (CHAMP-Q)  determines the quality and consistency of the concrete of drilled shafts, slurry walls, bored piles, cast-in-situ piles and other types of concrete foundations.