reasonable device, safety,automatic-control,competitive price Function:The DX8BD400 is an X-ray diffractometer use for the orientation of ... , low x-ray emission, automatic shutter, the switch on x-ray tube and temperature button, high voltage and x-ray is interlocked X-ray tubevb n ... voltage cable and x-ray tube, also the problem of the breakdown on the high voltage cable.automatic-controlservo-motor ...