Heike R2010-11 R65: Difference between revisions

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= Summary =
= Summary =
* 30.11.11:
* 30.11.11: COOLING DOWN
** 10:30 : Start closing Cryo
** 10:30 : Start closing Cryo
** 14:00 : Dewar closed , start pumping dewar. All lines pumped, all pumps tested.
** 14:00 : Dewar closed , start pumping dewar. All lines pumped, all pumps tested.
** Exchange gas: p<sub>VC</sub>=10mbar.
** Exchange gas: p<sub>VC</sub>=10mbar.
** 15:00 : Start filling nitrogen
** 15:00 : Start filling nitrogen
** 17:12 : Dewar Pt-100 shows LN.





Revision as of 16:49, 30 November 2011

NEW

  • RuOx-000 Thermometer on lower MC platform.
  • New Still-heater!! old one was broken? New resitance RSTILL=1.13k.


Summary

  • 30.11.11: COOLING DOWN
    • 10:30 : Start closing Cryo
    • 14:00 : Dewar closed , start pumping dewar. All lines pumped, all pumps tested.
    • Exchange gas: pVC=10mbar.
    • 15:00 : Start filling nitrogen
    • 17:12 : Dewar Pt-100 shows LN.


Tests


Checking Filterboxes

  • done!
  • details will be added :)