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: Thu 9 April 2026   [46% He AV600125 litersQuench:21 April 2026 ]
[13% He AM30036 liters Quench:3 May 2026 ]
[28% He AC200-3136 liters Quench:24 May 2026 ]
[66% He DRX50015 liters Quench:20 July 2026 ]
[70% He AV40033 liters Quench:15 September 2026 ]
[64% He AV300N40 liters Quench:25 October 2026 ]
Order 323 liters of liquid helium[65% He AV30038 liters Quench:28 October 2026 ]

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