Search the list for what Paul and I did. There is a web page where someone did the same forced pump down. If all the voltage s are good you have nothing to loose. You are going to need a "real" high voltage source.
On Feb 9, 2017 6:01 PM, "David Smith" <[email protected]> wrote: > > Hello Time Nuts Friends, > > I have acquired an HP 5061A off of EBAY and I believe the cesium beam tube > may be bad. The ion pump meter pins out and never comes down to a > reasonable level. I don’t have an external HVPS to check the tube as > suggested in the manual. I’m thinking the worst here… that the tube is > probably bad. The seller listed it “For Parts” and the usual “I have no way > of checking it.” Fortunately, he has a 14 day return policy. He’s offered > me $400 to keep it. I have $725 in it. > > My question to the group is… are there replacement tubes available? Any > suggestions on what to do with it if I can’t get a replacement tube? > > Thanks in advance, > > Dave Smith / W6TE > Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for > Windows 10 > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/ > mailman/listinfo/time-nuts > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
