Clearly the muQuans clock is a horse of another color from our usual Rb standards. Considering its size and weight, shipping it back to the mfr every few years would be a royal pain, too.
I looked over the datasheet and could find no mention of the active atomic species in use. Is it Rb for sure? Dana On Thu, Mar 19, 2020 at 4:53 AM Paul Boven <p.bo...@xs4all.nl> wrote: > Hi Attila, list, > > On 3/17/20 9:51 PM, Attila Kinali wrote: > > At those prices, I'd rather go for a µQuans or SDS Rb clock. > > Those don't lose atoms like the Cs beam does and thus don't need > > a refill. Their lifetime is more likely in the decades than just > > a few years. Weakest link, as far as I know, are the lasers. > > And yes, after the second, at latest after the third Cs tube, > > these Rb devices are cheaper. And they are as much a primary > > standard as the 5071 is. > > We've actually looked into purchasing the muQuans Rb. We learned from > the vendor that they need to be serviced and refilled every four years, > which could possibly be stretched to five years. This entails sending > your clock back to the manufacturer. Otherwise, it simply runs out of Rb. > > Given that we were going to deploy these in rather remote locations, we > decided that the repeated shipping and down-time was just going to be > too difficult to deal with. > > Regards, Paul Boven. > > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. > _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.