Heike R2012-02 R66: Difference between revisions
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** Closing cyrostat and dewar. Cleaning/pumping lines. |
** Closing cyrostat and dewar. Cleaning/pumping lines. |
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** Precooling with 50l LN. |
** Precooling with 50l LN. |
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{{clear}} |
{{clear}} |
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* '''29.02.2012: SECOND DAY - LIQUID HELIUM''' |
* '''29.02.2012: SECOND DAY - LIQUID HELIUM''' |
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** 07:50 : Status = T<sub>Dewar</sub>=207K, T<sub>MC,Si</sub>=216K, T<sub>Magn,l</sub>=217K, p<sub>VC</sub>=2.15mbar |
** 07:50 : Status = T<sub>Dewar</sub>=207K, T<sub>MC,Si</sub>=216K, T<sub>Magn,l</sub>=217K, p<sub>VC</sub>=2.15mbar |
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** 09:55 : Start filling LHe |
** 09:55 : Start filling LHe |
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** 17:00 : Status after two cans (188.8l LHe) =T<sub>MC,Si</sub>=80K, T<sub>Magn,u</sub>=50K, p<sub>VC</sub>=0.45mbar |
** 17:00 : Status after two cans ('''188.8l LHe''') =T<sub>MC,Si</sub>=80K, T<sub>Magn,u</sub>=50K, p<sub>VC</sub>=0.45mbar |
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{{clear}} |
{{clear}} |
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* '''01.03.2012: THIRD DAY''' |
* '''01.03.2012: THIRD DAY''' |
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Revision as of 08:27, 1 March 2012
NEW
- Pt-NMR read-out via two s.s. mini-coax.
Time Table
- 28.02.2012: FIRST DAY - CLOSING, CLEANING & PRECOOLING
- Closing cyrostat and dewar. Cleaning/pumping lines.
- Precooling with 50l LN.
- 29.02.2012: SECOND DAY - LIQUID HELIUM
- 07:50 : Status = TDewar=207K, TMC,Si=216K, TMagn,l=217K, pVC=2.15mbar
- 09:55 : Start filling LHe
- 17:00 : Status after two cans (188.8l LHe) =TMC,Si=80K, TMagn,u=50K, pVC=0.45mbar
- 01.03.2012: THIRD DAY
- 08:00 : Status = TDewar=78K, TMC,Si=80K, TMagn,u=81K, pVC=0.67mbar, connect 3rd can LHe
