Is my tube bad? The arc is moving back and forth.
https://www.youtube.com/watch?v=qPXH...ature=youtu.be
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Is my tube bad? The arc is moving back and forth.
https://www.youtube.com/watch?v=qPXH...ature=youtu.be
It's normal. Don't worry. Actually it's better than "standing" as electrode is NOT eroded in one place, has less oxidation - so it's prolong tube life. This circular design is on purpose.