Scott far better then my response. Right to the point. Regards Paul WB8TSL On Thu, Jun 15, 2017 at 3:20 PM, Scott McGrath <[email protected]> wrote:
> First you will need to power it up in Cs Off state and monitor the ion > pump current by periodically switching to Cs On > > If you have a possibly good tube ion pump current should drop to zero in a > few days to 3 weeks > > Thats your first step > > > On Jun 15, 2017, at 2:02 AM, Hugh Blemings <[email protected]> wrote: > > > > Hi, > > > > I've been assisting with the cataloguing and, where possible, testing of > a bunch of test equipment from a deceased estate. > > > > One of the items is a 5061A which best I can tell has not been powered > on for over a decade. The High Performance tube has a warranty expiration > date of 1988. Serial number is 1936A01567 and has Option 01 and 04 and has > the digital rather than analogue clock. Minor but it's missing the bottom > cover. > > > > My intuition is to set it to one side until I can become familiar with > the operating manual and potentially bring power up to it slowly with a > Variac or similar. > > > > I'd be curious as to the time-nuts view on whether this degree of > caution warranted ? > > > > I suspect the Cs tube is long dead, but maybe I'll be pleasantly > surprised ? > > > > Would welcome feedback on sensible/cautious first steps with the unit - > initial need, if possible, is a "simple" go/no go/does it power on ? > > > > Cheers/73 > > Hugh > > VK3YYZ/AD5RV > > > > _______________________________________________ > > 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. > _______________________________________________ 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.
