[time-nuts] HP 10811 Response I Replies
Richard (Rick) Karlquist
richard at karlquist.com
Fri Sep 23 03:40:58 UTC 2011
On 9/22/2011 5:17 PM, ws at Yahoo wrote:
>> Within minutes the frequency changed more than the spec
> For humidity to get thru something like that it takes weeks or more it
> does it at all.
> That fast of reaction, Sure sounds like some other effect like blowing a
> little air on the case or loading the osc output with water in the
> output cable etc, etc.
> I think it is safe to say the effect was not due to water inside, unless
> there was a hole.
The effect we saw was like parts in 10^8 of something. Way too big
to be related to output loading or air on the case. In any event,
the air blowing on the case was constant during the test.
We saw that when we didn't even try to seal the 10811 and also
when we tried to seal it.
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