Alison

Are the resistors glass encapsulated or rubber sleeved? If so, you 
should be able to read the type number on the side.

Welwyn at http://www.welwyn-tt.com/index.asp should still make these 
for high gain amplifiers.

John


At 13:35 27/11/2007, you wrote:
>I'm looking for a source for high ohm resistors (1E9 and 1E11 ohms) for our
>Thermo DeltaVplus. I'm trying to find a cheaper source besides through the
>Thermo channels, since they are wickedly expensive. I've found a couple
>suppliers of high ohm resistors, but have no idea what would be the
>appropriate wattage, voltage, etc. Does anyone know the specs on these
>resistors?
>
>--Alison
>
>
>Alison Pye  *  [log in to unmask]
>Stable Isotope Lab  <http://www.mun.ca/earthsciences/facilities/isotope/>  *
>Department of Earth Sciences
>Memorial University of Newfoundland
>300 Prince Philip Drive  * St. John's, NL
>Canada  *  A1B 3X5
>ph: (709) 737-3217  *  fax: (709) 737-2589

John Hill
Mass Spectrometry Facility
University College London
Chemistry Department
20 Gordon St.
London
WC1H 0AJ

Tel:  020 7679 4605
Fax: 020 7679 7451