Ladies & Gentlemen: Thank you for your continued interest in Kahn hygrometers. Per your request, attached is the manual for the Pura. We will answer your remaining questions on Monday, May 9. Sincerely yours, Robert T. Bailey Product Manager KAHN INSTRUMENTS, INC. Peter Kammel wrote: > Dear Robert, > > Could you please send us a new quotation, to update HGQ 9846. > > Our requirements are: > > - 5 ppbv sensitivity to H2O in pure hydrogen gas at 10 bar. > Which sensitivity in ppb can we expect in a 10 bar hydrogen gas > stream? At -100 C the vapor pressure of ice is 20e-9 bar, or > 2E-9 of the 10bar H2 gas. Thus we should get a sensitivity of > some ppbv. Can you confim this estimate. > > - Is hydrogen considered a non-hazardous gas, compatible with the > Pura transmitter? > > - Could you email me a manual for the Pura Premium Dewpoint Transmitter. > > - Is there an educational discount on this product? > > Thank you. > > Peter > > Prof. Peter Kammel / pkammel@uiuc.edu > Department of Physics, Loomis Laboratory > University of Illinois at Urbana-Champaign > 1110 West Green Street, Urbana, IL 61801 > Tel (217) 333-5424 / Fax (217) 333-1215 > > ---------- Forwarded message ---------- > Date: Mon, 25 Oct 2004 16:07:59 -0500 (CDT) > From: Peter Kammel <kammel@npl.uiuc.edu> > To: Robert T.Bailey <hygros@kahn.com> > Subject: Fwd: PURA Transmitter/Kahn Instruments Quotation Number HGQ 9846 > (fwd) > > Dear Robert, > > Thank you for the quotation. > > Let me explain our application a bit more: > > We are performing an experiment with ultrapure hyrogen > (impurities and deuterium depleted). Please have a look at > http://www.npl.uiuc.edu/exp/mucapture/ > > About 1000 atmospheric liters of hydrogen are continuously circulated > at 10 bar pressure with a flow of about 1.5 l/min (see link to > CRDF in the news). Although the purification system should is very > efficient (as demonstrated by N2 chromatography), we would like to > directly verify the outgasing in our experimental chamber. Ideally, that > would be done in a flow through devide installed in the circulation > system. > > Now let me ask you a few questions: > > i) Could you email me a manual for the Pura Premium Dewpoint Transmitter. > > ii) How is the cooling to -120 C achieved? Do we need liquid nytrogen? > > iii) Which sensitivity in ppb can we expect in a 10 bar hydrogen gas > stream? At -100 C the vapor pressure of ice is 20e-9 bar, or > 2E-9 of the 10bar H2 gas. Thus we should get a sensitivity of > some ppbv. Can you confim this estimate. > > iv) Is there any chance for a quick delivery (say within a week) of > a Pura Dewpoint Transmitter? Or could we rent such a device for > a month? > > v) Is there an educational discount on this product? > > Thanks and best regards > > Peter > > Prof. Peter Kammel / pkammel@uiuc.edu > Department of Physics, Loomis Laboratory > University of Illinois at Urbana-Champaign > 1110 West Green Street, Urbana, IL 61801 > Tel (217) 333-5424 / Fax (217) 333-1215 > > >Organization: The Kahn Company > >X-Mailer: GoldMine [5.50.10424] > > > >Ladies & Gentlemen: > > > >In response to your request for quotation, we are transmitting our > >attached proposal. This quotation provides technical information as well > >as detailed pricing. The literature for this unit is available in Adobe > >PDF format on our website at http://www.kahn.com/info/pura.pdf. More > >general literature on our broad line of hygrometers is available at > >http://www.kahn.com/PDF/Hygros.pdf. To read more about The Kahn Companies, > >visit our website at http://www.kahn.com. > > > >If Adobe Reader is not yet installed on your computer, you may use the > >following link to download it. > >http://www.adobe.com/products/acrobat/readermain.html. > > > >If after reviewing this information you have any further questions, please > >feel free to contact me. > > > >Sincerely yours, > >Robert T. Bailey > >Product Manager > >KAHN INSTRUMENTS, INC. > >
Attachment:
PURA (-120 to -40) 4-20ma Manual.doc
Description: MS-Word document