[time-nuts] Powering up a long inactive 5061A

Pete Lancashire pete at petelancashire.com
Thu Jun 15 11:22:30 EDT 2017

scan the archives for 5061, there's a lot there specially recently


On Wed, Jun 14, 2017 at 11:02 PM, Hugh Blemings <hugh at blemings.org> 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
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