... and electric arc.2.2 Specification(1) X-ray generator: X-ray tube:Cu target, anode-grounding, fan cooling ... diffraction, and the digital counter absorb the x-ray and display through the uA meter.4. Component ... , digital counter, air pump , cooling fan , x-ray tube.4.2. The tube housing of orientation unit is ... (red).the following should work well.(1) X-ray tubes filament is light, adjust the mA knob, at ...