[RASMB] condensation

Tom Laue tml at cisunix.unh.edu
Wed Jun 4 12:51:18 PDT 2008


Hi all-
You will get oil vapor in the chamber if there is a vacuum leak in your 
system.
The field serviceman can test and fix this.
Best wishes,
Tom

Chad Brautigam wrote:
> Dear All,
>
> We're having a serious problem with our XL-I.  The UV filter that is 
> positioned over the condenser lens is fogging with oil every time it 
> is used.  It is the underside of the filter that gets fogged. 
>  Fogging, of course, completely negates our ability to use the 
> interference optics.  A Beckman service rep recently changed the 
> condenser lens and also replaced our vacuum pump.  Does anyone have 
> any notion of why this fogging is occurring and what the fix might be? 
>  Our service rep is trying hard to get this fixed, but he is new to 
> the analytical centrifuges.  Any help the community can offer would be 
> greatly appreciated.
>
> Chad
>
> ======================================
> Chad A. Brautigam, Ph.D.
> Assistant Professor
> Department of Biochemistry
> The University of Texas
> Southwestern Medical Center at Dallas
> Department of Biochemistry
> 5323 Harry Hines Blvd.
> Dallas, TX 75390-8816
> Office:  214-645-6384
> Fax:  214-645-6353
> Email:  chad.brautigam at utsouthwestern.edu 
> <mailto:chad.brautigam at utsouthwestern.edu>
>
>
>
> ------------------------------------------------------------------------
>
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>   

-- 
Department of Biochemistry and Molecular Biology
University of New Hampshire
Durham, NH 03824-3544
Phone: 603-862-2459
FAX:   603-862-0031
E-mail: Tom.Laue at unh.edu
www.bitc.unh.edu
www.camis.unh.edu




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