Heike R2012-02 R66

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NEW

  • Pt-NMR read-out via two s.s. mini-coax. Signal Coil is connected with port #1 and #3.

Time Table

Bad vacuum!.
  • 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
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