<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">sounds like a bug in the system ...<div><br></div><div><br></div><div><br><div><div>On Feb 18, 2010, at 8:38 AM, Christine Wandrey wrote:</div><br class="Apple-interchange-newline"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi all,<div><br></div><div>I also bought this window and the special tool some years ago and we have good experiences. The lamp is longer clean. I regularly screw out the window and clean it about every two months. The funny reason why I bought it was, we had a very small spider in the hole under the monochromator mounting socket. We had strange scans and after some searching our service engineer found this spider.</div><div><br></div><div>Best,</div><div>Christine</div><div><br><div><div>On Feb 18, 2010, at 4:43 PM, Leech, AP wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi everybody,<br><br>Some systems, like our XL/I, have an extra window in the monochromator<br>mounting socket, which helps save on lamp cleaning as it keeps the oil<br>from "cracking" on the lamp surface. Our lamp intensity is quite low<br>(~10000), whether this is affected by the extra window I don't know,<br>but it doesn't go down much with use.<br><br>It is worth checking this window from time to time - if your AUC has one<br>you should have a special tool for extracting it (like a screwdriver<br>with a round magnetic end).<br><br>Best to all,<br><br>Andrew<br><br><br>Borries Demeler wrote:<br><br><blockquote type="cite"><br></blockquote><blockquote type="cite">Hi Mark,<br></blockquote><blockquote type="cite">I should mention that we have to clean our lamps quite regularly, depending<br></blockquote><blockquote type="cite">on use perhaps every 2-3 weeks. The procedure is simple enough, it would be<br></blockquote><blockquote type="cite">worthwhile to have the service person teach you how to do it yourself. <br></blockquote><blockquote type="cite">Sometimes other optical components also require cleaning, but the lamp<br></blockquote><blockquote type="cite">is usually the biggest culprit. Lamps do vary in intensity at 230 nm, most<br></blockquote><blockquote type="cite">I have come across range between 12-30 kcounts when cleaned. The UV intensity<br></blockquote><blockquote type="cite">is lost first, I guess dirt absorbs in the UV stronger than in the vis.<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">Regards, -Borries<br></blockquote><blockquote type="cite"><br></blockquote><blockquote type="cite">_______________________________________________<br></blockquote><blockquote type="cite">RASMB mailing list<br></blockquote><blockquote type="cite"><a href="mailto:RASMB@rasmb.bbri.org">RASMB@rasmb.bbri.org</a><br></blockquote><blockquote type="cite"><a href="http://rasmb.bbri.org/cgi-bin/mailman/listinfo/rasmb">http://rasmb.bbri.org/cgi-bin/mailman/listinfo/rasmb</a><br></blockquote><br>-- <br>Dr Andrew Leech * Laboratory Head<br>Technology Facility * Molecular Interactions Laboratory<br>Department of Biology (Area 15) * Tel : +44 (0)1904 328723<br>University of York * Fax : +44 (0)1904 328804<br>PO Box 373, York YO10 5YW * Email : <a href="mailto:apl3@york.ac.uk">apl3@york.ac.uk</a><br>_______________________________________________<br>RASMB mailing list<br><a href="mailto:RASMB@rasmb.bbri.org">RASMB@rasmb.bbri.org</a><br><a href="http://rasmb.bbri.org/cgi-bin/mailman/listinfo/rasmb">http://rasmb.bbri.org/cgi-bin/mailman/listinfo/rasmb</a><br></div></blockquote></div><br><div> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div><font class="Apple-style-span" size="2">--------------------------------------------------------------------------------</font></div><div><font class="Apple-style-span" size="1">PD Dr. habil. Christine Wandrey, MER</font></div><div><font class="Apple-style-span" size="1">Ecole Polytechnique Fédérale de Lausanne (EPFL)</font></div><div><font class="Apple-style-span" size="1">Laboratoire de Médecine Régénérative et de Pharmacobiologie (LMRP)</font></div><div><font class="Apple-style-span" size="1"><a href="http://people.epfl.ch/christine.wandrey">http://people.epfl.ch/christine.wandrey</a></font></div><div><font class="Apple-style-span" size="1"><br class="webkit-block-placeholder"></font></div><div><font class="Apple-style-span" size="1">tél.: (+41) 21 693 9661</font></div><div><font class="Apple-style-span" size="1">fax: (+41) 21 693 9685</font></div><div><font class="Apple-style-span" size="1">email: <a href="mailto:christine.wandrey@epfl.ch">christine.wandrey@epfl.ch</a></font></div><div><font class="Apple-style-span" size="1"><br class="webkit-block-placeholder"></font></div><div><font class="Apple-style-span" size="1">Postal address:</font></div><div><font class="Apple-style-span" size="1">EPFL-SV-IBI-LMRP</font></div><div><font class="Apple-style-span" size="1">AAB 042, station 15</font></div><div><font class="Apple-style-span" size="1">CH-1015 Lausanne</font></div><div><font class="Apple-style-span" size="1">Switzerland</font></div><div><br class="webkit-block-placeholder"></div></div></div></span><br class="Apple-interchange-newline"> </div><br></div></div>_______________________________________________<br>RASMB mailing list<br><a href="mailto:RASMB@rasmb.bbri.org">RASMB@rasmb.bbri.org</a><br>http://rasmb.bbri.org/cgi-bin/mailman/listinfo/rasmb<br></div><br></div></body></html>