... frequency and electric arc.2.2 Specification(1) X-ray generator: X-ray tube:Cu target, anode-grounding, fan cooling;Tube voltage ... transformer, magnifying, digital counter, air pump , cooling fan , x-ray tube.4.2. The tube housing of orientation unit is ... factory immediately .(1) The preparation before installationShould have the necessary tools for moving and install this unit.Should clean the unit ...