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 August 2020   [46% He AV600125 litersQuench:22 August 2020 ]
[21% He AC200-3140 liters Quench:7 September 2020 ]
[25% He AM30031 liters Quench:16 September 2020 ]
[66% He AV40037 liters Quench:30 December 2020 ]
[87% He DRX5006 liters Quench:17 February 2021 ]
Order 277 liters of liquid helium[65% He AV30038 liters Quench:20 April 2021 ]

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