Helium Level and Field Drift

 Spectrometer AC200-31 AM300   AV300    AV300N    AV400    DRX500    AV600  

 Installation year

1990 1984 2017 2020 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 31 May 2021   [38% He AV40068 litersQuench:22 June 2021 ]
[81% He AV60044 liters Quench:18 August 2021 ]
[70% He AC200-3115 liters Quench:19 September 2021 ]
[67% He AM30014 liters Quench:22 September 2021 ]
[90% He DRX5004 liters Quench:16 October 2021 ]
[89% He AV300N12 liters Quench:24 April 2022 ]
Order 201 liters of liquid helium[60% He AV30044 liters Quench:21 February 2023 ]

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