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 27 April 2020   [45% He AV600127 litersQuench:5 May 2020 ]
[27% He AM30030 liters Quench:6 June 2020 ]
[35% He AC200-3133 liters Quench:11 June 2020 ]
[44% He DRX50024 liters Quench:14 June 2020 ]
[33% He AV30074 liters Quench:4 August 2020 ]
Order 325 liters of liquid helium[66% He AV40037 liters Quench:5 September 2020 ]

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