... Digital Multi-channel Ultrasonic flaw detector machine for big size tube 2.reach the demands of 128 or more channels3. ... performance ratio.The instruments can be widely used for titanium tube, zirconium tubes, book-walled pipe, seamless steel tubes, ... /O interface.Each channel has three strobes, alarm strobe, tracking strobe, self locking strobe;Complete alarm function, can meet different kinds of ...