... and Manufacturer1,Name Three-phase full-wave ac/dc fluorescent magnetic powder flaw detection machine2,Model CZQ-4000B,Design standard & ... flaw detection machine.2,This equipment should meet all the magnetic particle inspection technical requirements in Standard JB/T8290-1998.C, ... and manual 10,Part length capacity 0-3000 mm11,Magnetic coil inner diameter 400mm. magnetic particle inspection machine