Sorry...I indicated an incorrect address for EVERGREEN. The URL is http://www.evergreenlaser.com/ you can locate the email address within the url.. F Preffer >Date: Fri, 21 Jun 2002 16:36:04 -0400 >To: Arnold Richard Pizzey <a.pizzey@ucl.ac.uk>, Cytometry Mailing List <cytometry@flowcyt.cyto.purdue.edu> >From: Frederic Preffer <preffer@helix.mgh.harvard.edu> >Subject: Re: I-90 laser problem >Cc: Evergreen Laser <elc@connix.com> > >Dear Arnold > >The man who knows all at EVERGREEN laser, Phil Fostini, can likely suggest a solution... > >F Preffer > > > >At 11:32 AM 6/21/02 +0100, Arnold Richard Pizzey wrote: >> >>Greetings all, >> >>I am experiencing a problem with my I-90, If I try to advance the current >>beyond 25A I get a lot of electrical noise -sounds a bit like arcing but >>I've checked all components on the power supply and laser head and find no >>evidence of this. >> >>The voltage across TP16-36 is 240V with the tube not struck and 190V at 25A >> >>also the relay next to TP28 keeps closing -I think that the tube might be >>trying to take gas fills but I think that the autofill has been disconnected. >> >>If anyone has any experience of this problem I'd appreciate it if they let >>me know >> >> >>Regards, >> >> >> >>Arnold >> >> >>_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ >> Arnold Richard Pizzey >> Department of Haematology >> Royal Free and University College London Medical School >> 98 Chenies Mews >> London WC1E 6HX >> U.K >> >> voice: +44 020-7679-6234 >> Fax: +44 020-7679-6222 >> email: a.pizzey@ucl.ac.uk >>_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/_/ >> Frederic I. Preffer Department of Pathology Charlestown Navy Yard- 7140 149 13th Street Massachusetts General Hospital -East Charlestown, MA 02129 voice [617] 726-7481 fax [617] 724-3164
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