For the Kiel III Finnigan P/N:1069490 it is Siemens P/N: 
3RG4600-1AB00. Not sure if this will help since your P/N differs with a ?.

You will need to find a distributor via web, shouldn't be hard.


At 09:18 AM 7/28/2010, you wrote:
>Hi everyone,
>Does anyone know of an alternative to the kiel proximity sensor (pn 
>2020310)? This is the sensor that indicates the presence / absence 
>of the reaction vessel. Alternatively, do you have one that I can 
>have until the back-ordered two that I have just ordered arrive. I 
>can provide fedex account number to get the item shipped to me. Thank you.
>Andrew Schauer
>Earth and Space Sciences
>University of Washington
>Seattle, WA 98195
>[log in to unmask]

David A. Mucciarone
Stanford University
Environmental Earth Systems Science
450 Serra Mall
Building 320, Room 118
Stanford, CA 94305-2115
650-723-0817 (O) 650-725-2199 (F)