... -control,competitive price Function:The DX8BD400 is an X-ray diffractometer use for the orientation of all ... the failure connections with high-voltage cable and x-ray tube, also the problem of the breakdown ... the rotary table. Turn on the x-ray tube, under x-ray Asis X is adjusted to the optimum position, ... Y and lock it. Turn the rotary table by 360 degree, when the indicating needle keep still, which ...