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 5 March 2018   [39% He AV40067 litersQuench:10 April 2018 ]
[21% He AC200-3140 liters Quench:1 April 2018 ]
[54% He AV600106 liters Quench:1 April 2018 ]
[22% He AM30032 liters Quench:4 April 2018 ]
[32% He AV30027 liters Quench:16 June 2018 ]
[82% He AC200-3319 liters Quench:17 March 2019 ]
Order 300 liters of liquid helium[80% He DRX5009 liters Quench:4 August 2020 ]

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