Our full range of portable ultrasonic and phased array flaw detectors provide outstanding capabilities for locating subsurface defects. Using ultrasonic soundwaves, these advanced units can be used to locate and size hidden cracks, voids, disbonds, and similar discontinuities in a wide range of materials. Olympus offers a variety of devices for enhanced flaw detector inspection: the EPOCHâ„¢ 650 flaw detector is designed for excellent inspection performance and usability, while the EPOCH 6LT lightweight flaw detector is optimized for one-handed operation in rope access and high-portability applications. On this page, you will also find video tutorials for our flaw detectors that can help you unlock the capabilities to perform advanced and efficient ultrasonic testing.