Hello Spinlanders,
We recently had our Bruker AC-200 NMR system moved by Sang Jin Lee of MR
Resources. Before the move the system was in the same location for more
than ten years. The He blowoff averaged 5 cch. It would fall to zero cch
when the barometer was high and as much as 7 cch when the barometer went
very low. The move was completed on 22 October 2004. Since that time, the
He blowoff has ranged between 14 and 18 cch. Rob DeShane of MR Resources
says that this is within spec for our magnet. We do not accept this due to
the fact that the He blowoff averaged 5 cch for over ten years. Would
appreciate any thoughts on the matter.
Will summarize useful responses.
Thank you and kind regards,
Lawrence
Lawrence Byrnes,
Lab Manager and
Research Director
Numare Spectralab and
The Schoenenberg Institute of Molecular Spectroscopy
Hidden Meadow Farm
3551 Winding Road,
Kintnersville, PA, 18930
Voice: 610-346-8660
Fax: 610-346-7571
E-mail: numare_at_eclipse.net
Web: http://www.eclipse.net/~numare/
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Received on Wed Nov 17 2004 - 11:02:02 MST