... having introduced the international level of portable digital intelligence NDT630 ultrasonic detectors.The instrument can be used to test various material ... detection air flow, crack, osteoporosis, impurity, not weld fully, defects, comprehensive functions, practical, and is a real laptop type digital ultrasonic detectors ... COutline size(mm) 210*156*38 Weight 1kg High Accuracy Ultrasonic Flaw Detector