[time-nuts] HP5065A environmental sensitivities

Bob Camp kb8tq at n1k.org
Sun May 22 11:21:40 EDT 2016


Hi

> On May 22, 2016, at 10:49 AM, Attila Kinali <attila at kinali.ch> wrote:
> 
> Hoi Poul-Henning,
> 
> On Fri, 20 May 2016 09:52:39 +0000
> "Poul-Henning Kamp" <phk at phk.freebsd.dk> wrote:
> 
>>> Temperature effects are by far the largest effects we have to deal with.
>> 
>> Which is why you'd be much better of with 20 sensors at 16 bits,
>> than a single sensor at 24 bits.
> 
> Does the HP5065 have such huge temperature gradients/differentials inside?

At least 5C offset relative to an external sensor. Likely more in some rack installations. Past
that it depends on how close the item of interest is to the oven assembly. 

Bob

> 
> 			Attila Kinali
> 
> -- 
> Reading can seriously damage your ignorance.
> 		-- unknown
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