Thanks.I'll Try Your Suggestions.I'm In Schertz Texas.> To: [email protected]>
Date: Mon, 30 Jun 2008 09:31:34 -0700> From: [EMAIL PROTECTED]> Subject:
[time-nuts] HP5061A tube question> > Hi,> > The tube is in a vacuum so the
ovens heat only has roundabout physical> paths to get to the outer case. If the
tube feels warm at all at both> ends the oven and hotwire are probably working
OK.> > If you have a T type thermocouple temperature meter you can connect it
to> the copper and silver wires coming out of the potting and measure the>
ovens temperature directly.> > Another way is to let the unit warm up for an
hour or so, remove power,> and then quickly remove the tubes connection to
J16.> Then hook an ohmeter from pin 9 of the removed cable to chassis ground.>
> This is measuring the oven thermistor value and should be close to the> value
on the tubes label.> > If that is OK then I'd recommend performing the low
frequency test> outlined in the manual. This will help determine if the tube is
gone or> not.> > Whereabouts are you located?> > Corby Dawson>
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