I certainly agree it is best to go to the manufacturer. If my memory serves me, the unit I referenced was no longer being supported by Balzers. It was a relief to find a company that would deal with the unit, rather than upgrade to an entirely new controller and pump. At 02:20 PM 1/22/2007, you wrote: >Pfeiffer will do a basic rebuild for half that price and you can be sure >it will be right. > >At 02:09 PM 1/22/2007, you wrote: >>Back in 2001, I had a TPH 050 repaired and reconditioned (and the motor >>replaced as well) by Eagle Instrument Services. The cost wasn't too >>outlandish ($1600), but the turn-around time was a bit longer than one >>might hope for. Sounds like Balzers will probably be the speediest >>route. However, assuming they are still in business, here is their >>contact information in case you want to make some inquiries: >> >>Eagle Instrument Services, Inc. >>132 Outer Looop Suite C >>Louisville, KY 40214 >>502-380-0990 >>[log in to unmask] >> >> >> >> >>At 12:35 PM 1/19/2007, you wrote: >>>Hi Subrata-- >>> >>>There's a list of some vendors on our website so you'll have some other >>>options: >>>http://earth.geology.yale.edu/escsis/ESCSIS-web5.html#vac >>> >>>also, some info is on the Isogeochem site: >>>http://www.eeb.cornell.edu/isogeochem/Consumable_Service_Providers.htm >>> >>>take care >>> >>>gerry >>> >>>p.s. Listen to warnings about different companies.. >>> >>>p.p.s. The speed on our turbo pump on the 251 was oscillating. It was >>>not a problem with the controller or pump, but a faulty capacitor on one >>>of the control boards (BLS? BMG?--sorry, I blotted it out of my memory) >>> >>> >>> >>>"Subrata Chakraborty wrote: >>>>Hi Isogeochem Members: >>>> >>>>We are out of luck with our Turbo pump (TPU 330) of MAT251. Its kind of >>>>sudden death without proper indication. After some trouble shooting we >>>>came to the conclusion that the controller (TCP270) is ok, but the pump is >>>>dead. >>>>Its a Balzers/Pfeiffer pump and the company is asking for atleast 3 weeks >>>>for the exchange/repair service. I am sending out this query to the >>>>community to get some feedback about the probable companies (within US) >>>>who does this repair/exchange service in a faster way. So, that we can get >>>>back our machine ASAP. >>>> >>>>Any kind of help is appreciated. >>>> >>>>Thanks, >>>> >>>>Subrata >>>>============================================================================= >>>>Subrata Chakraborty, Ph.D. >>>>University of California, San Diego >>>>Dept of Chemistry (Urey hall 5112) 9500 Gilman Dr. # 0356 >>>>La Jolla, California 92093-0356 >>>>Phone: 858-534-6053 (Off) >>>> 858-736-5332 (Cell) >>>>Fax: 858-534-7042 >>>>Alternative E-mail: [log in to unmask] >>>>URL: http://www-chem.ucsd.edu/~subrata >>>>============================================================================= >>>> >>>> >>>> >>>>On Mon, 15 Jan 2007, TASAIN (RACSA) wrote: >>>> >>>> >>>>>Dears, I have to setup a method for pure sugar digestion (500 to 800mg >>>>>sugar cane). I wonder of some of you have implement this protocol by >>>>>microwave oven? >>>>> >>>>>Best regards, >>>>> >>>>>Alexis Ulloa >>>>>TAISA >>>>>San Jos�, Costa Rica >> >>Lora L. Wingate >>University of Michigan >>Department of Geological Sciences >>Stable Isotope Laboratory >>1100 North University >>1013 C.C. Little Building >>Ann Arbor, MI 48109-1005 > >Jonathan D. Karr, Ph.D. >Technical Director, Duke EnVironmental stable Isotope Laboratory (DEVIL) >Duke University Dept.of Biology & Nicholas School of the Environment and >Earth Sciences >Phytotron Bldg, 71 Science Drive >Durham, NC 27708-0340 > >(919) 660-7418 >Fax: (919) 660-7425 >[log in to unmask] >laboratory website: http://www.biology.duke.edu/jackson/devil/ > > > > >Adversity is an opportunity > Lora L. Wingate University of Michigan Department of Geological Sciences Stable Isotope Laboratory 1100 North University 1013 C.C. Little Building Ann Arbor, MI 48109-1005