Hi You want to match the original. That likely means a current drain a bit lower than shown in the specs. Depending on how it is set up, minimum power may not be reached for several hours.
Bob On Jul 30, 2011, at 1:47 PM, ed palmer <[email protected]> wrote: > I'm rebuilding an Oscilloquartz 8601 oscillator that has a smashed Dewar. > The 8601 is basically the same as an 8600, but with a different connector > arrangement. > > Since I can't replace the original Dewar, I'm trying various vacuum flasks to > see which one works best. The differences are related to the size (how much > room for a foam plug) and material (glass vs. steel). Am I correct in > thinking that 'best' means minimizing the current drain? I'm thinking that > minimizing the current drain means minimizing heat loss to the external > environment and therefore most stable performance. Or should I try to match > the thermal characteristics of the original flask and plug? I could > approximate this by adjusting the thermal characteristics to obtain the same > current drain as stated in the specifications. > > Of course, if you go too far in reducing the current, the oven could > overheat. The oscillator includes a precision thermistor to monitor the > temperature of the oven to prevent this. > > Any comments? > > Ed > > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
