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New laser tube arcing at negative end in side tube, like

Posted: Mon Sep 21, 2020
by John Mac
Got a mcw laser tube 60-80w 15 percent power fitted it and it is arcing at the negative end of tube, inside tube is this normal

Re: New laser tube arcing at negative end in side tube, like

Posted: Mon Sep 21, 2020
by Frank Small
John

I have the same machine which I just fitted with a 75W tube. Any chance you could post a picture when this happens?

Frank

Re: New laser tube arcing at negative end in side tube, like

Posted: Tue Sep 22, 2020
by John Mac
I’ve took a short video of it, won’t let me post it

Re: New laser tube arcing at negative end in side tube, like

Posted: Sun Sep 27, 2020
by John Mac
it seems to be a natural occurrence tube working well MCW 60 80w running at 82 watts at 24mA,