Helium Level and Field Drift

 Spectrometer AC200-31 AC200-33 AM300   AV300    AV400    DRX500    AV600  

 Installation year

1990 1988 1984 2017 2012 1997 2007

 Helium level
  (figure)

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 Field drift
  (figure)

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 X,Y,Z-Shims drift
  (figure)

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 Log files
  (text)

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Helium refill date: Mon 10 June 2019   [45% He AV600127 litersQuench:19 June 2019 ]
[11% He AC200-3145 liters Quench:28 June 2019 ]
[35% He DRX50028 liters Quench:19 July 2019 ]
[29% He AM30029 liters Quench:3 August 2019 ]
[50% He AV40055 liters Quench:19 August 2019 ]
[67% He AV30036 liters Quench:12 February 2020 ]
Order 323 liters of liquid helium[97% He AC200-333 liters Quench:27 August 2020 ]

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