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
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Helium refill date: Mon 12 April 2021   [46% He AV600125 litersQuench:22 April 2021 ]
[16% He AC200-3142 liters Quench:2 May 2021 ]
[29% He AM30029 liters Quench:1 June 2021 ]
[53% He DRX50020 liters Quench:2 July 2021 ]
[60% He AV40044 liters Quench:12 August 2021 ]
[51% He AV30054 liters Quench:19 October 2021 ]
Order 349 liters of liquid helium[68% He AV300N35 liters Quench:7 December 2021 ]

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