Is my tube bad? 80W Brand New KH Laser C02 Tube.

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.

Quote:

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Originally Posted by abyss

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.

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its weird, last time my 50w tube did that it wasnt reaching full power. i wonder how long this tube was sitting before the machine was sold to me