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: Thu 31 August 2017   [9% He AC200-3396 litersQuench:4 September 2017 ]
[17% He AC200-3142 liters Quench:24 September 2017 ]
[73% He AV40030 liters Quench:11 November 2017 ]
[79% He AV60049 liters Quench:17 November 2017 ]
[86% He AV3006 liters Quench:26 May 2018 ]
[83% He DRX5007 liters Quench:24 December 2018 ]
Order 240 liters of liquid helium[76% He AM30010 liters Quench:21 April 2019 ]

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