Hi
> On Sep 25, 2020, at 5:44 AM, Hal Murray <[email protected]> wrote: > > >> 1) In an unconditioned/semi-conditioned space. The ambient temperature can >> slew 20*C easily over the holdover period. (Think sun hitting an outdoor >> enclosure first thing in the morning - the ambient temperature tends to rise >> quickly). > > It would be interesting to get some data on that. Clouds blocking the sun or > holes in the cloud cover would be a variation. A lot of OEM’s have data on that sort of thing. The only time you see 20C in 10 minutes is when the building catches fire :) Bob > > If the sun hits the enclosure, how long does it take the air inside to heat > up > and then how long does it take the gear inside to warm up? > > One of the classic tools for problems like this is to attach a big blob of > stuff to the crystal to dampen thermal changes. When you design your test > setup, can you leave room for a brick and collect data with and without when > you toss it into the freezer? > > -- > These are my opinions. I hate spam. > > > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
