JBS-280 Ultrasonic Flaw Detector is a kind of portable industrial use nondestructive testing instrument, which can detect, locate, assess and diagnose inner flaws such as cracks, shrinkages, bubbles, impurity and so on rapidly, conveniently, nondestructively, and precisely. 

It is widely used in furnace, pressure vessel, space, electricity, petroleum, Chemistry, offshore oil, piping, military, shipbuilding, automobile, machinery, metallurgy, metal processing, steelwork, rail transportation, nuclear power, universities, etc.